/*
 * Lushainet theme system: CSS custom properties + a handful of component
 * classes that consume them. This file is loaded AFTER app.css (Tailwind).
 * Tailwind still owns layout/spacing/typography; brand color always comes
 * from the variables below, never from Tailwind's own color utilities or
 * config, since app.css is a static prebuilt file with no dark: variants
 * and no arbitrary-value support.
 *
 * Theme switching works by toggling a "dark" class on <html> — see the
 * theme-toggle snippet in DESIGN.md.
 */

:root {
    --brand: #0f766e;
    --brand-hover: #0b5f59;
    --brand-contrast: #ffffff;
    --brand-rgb: 15, 118, 110;
    --accent: #0369a1;
    --accent-hover: #075985;
    --accent-rgb: 3, 105, 161;

    --bg: #f4f7f9;
    --surface: #ffffff;
    --surface-raised: #ffffff;
    --surface-sunken: #edf3f5;
    --text: #10212b;
    --text-muted: #5c6c78;
    --border: #d6e0e6;
    --border-strong: #c5d1da;
    --ring: #0f766e;
    --danger: #dc2626;
    --danger-rgb: 220, 38, 38;
    --success: #15803d;
    --success-rgb: 21, 128, 61;
    --warning: #b45309;
    --warning-rgb: 180, 83, 9;
    --offline: #64748b;
    --offline-rgb: 100, 116, 139;

    /* Elevation: soft, tinted, restrained. sm = barely-there (inputs,
       small chips); md = the default card/panel resting state; lg = menus,
       modals, the sidebar/topbar — things that sit above page content. */
    --shadow-rgb: 15, 23, 42;
    --shadow-sm: 0 1px 2px rgba(var(--shadow-rgb), 0.06);
    --shadow-md: 0 1px 2px rgba(var(--shadow-rgb), 0.06), 0 8px 24px -14px rgba(var(--shadow-rgb), 0.2);
    --shadow-lg: 0 5px 14px -5px rgba(var(--shadow-rgb), 0.14), 0 24px 48px -24px rgba(var(--shadow-rgb), 0.32);

    /* 4px-based spacing rhythm for theme.css's own component CSS (form
       sections, panels, list rows) — Tailwind utilities in page markup use
       their own matching scale already; this is so the hand-written CSS in
       this file stops using ad-hoc px values. */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --radius-sm: 8px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --panel-padding: 16px;
    --section-gap: 16px;
    --control-height: 40px;
    --network-node-border: #aabac5;
    --network-node-shadow: drop-shadow(0 2px 3px rgba(15, 23, 42, 0.16));
}

html.dark {
    --brand: #2dd4bf;
    --brand-hover: #5eead4;
    --brand-contrast: #071411;
    --brand-rgb: 45, 212, 191;
    --accent: #38bdf8;
    --accent-hover: #7dd3fc;
    --accent-rgb: 56, 189, 248;

    --bg: #0f1115;
    --surface: #16181d;
    --surface-raised: #1c1f26;
    --surface-sunken: #111318;
    --text: #f3f7fa;
    --text-muted: #9ba8b7;
    --border: #292e38;
    --border-strong: #38404d;
    --ring: #2dd4bf;
    --danger: #f87171;
    --danger-rgb: 248, 113, 113;
    --success: #86efac;
    --success-rgb: 134, 239, 172;
    --warning: #fcd34d;
    --warning-rgb: 252, 211, 77;
    --offline: #94a3b8;
    --offline-rgb: 148, 163, 184;

    /* Dark shadows read as depth against the page wash, not as literal
       black — kept true black but low-opacity, doing less work than in
       light mode since the lighter --surface tone against --bg already
       carries most of the elevation signal. */
    --shadow-rgb: 0, 0, 0;
    --shadow-sm: 0 1px 2px rgba(var(--shadow-rgb), 0.3);
    --shadow-md: 0 1px 2px rgba(var(--shadow-rgb), 0.24), 0 10px 24px -14px rgba(var(--shadow-rgb), 0.55);
    --shadow-lg: 0 4px 12px -4px rgba(var(--shadow-rgb), 0.4), 0 24px 48px -22px rgba(var(--shadow-rgb), 0.65);
    --network-node-border: #4b5563;
    --network-node-shadow: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.45));
}

/* Brand-tinted page background — the "signature" wash behind every card.
   Deliberately different per theme (see DESIGN.md): light gets a soft
   double glow near the top; dark gets one glow centered where the card
   sits, like the card is lit from behind, over a deep neutral base. */
body {
    background-color: var(--bg);
    color: var(--text);
    background-image:
        radial-gradient(ellipse 70% 48% at 42% -18%, rgba(var(--brand-rgb), 0.11), transparent 62%),
        radial-gradient(ellipse 50% 42% at 100% 100%, rgba(var(--accent-rgb), 0.065), transparent 62%);
    background-attachment: fixed;
}

html.dark body {
    background-image:
        radial-gradient(circle at 48% 28%, rgba(var(--brand-rgb), 0.10), transparent 48%),
        radial-gradient(circle at 100% 72%, rgba(var(--accent-rgb), 0.07), transparent 48%);
}

/* Shared asynchronous confirmation dialog. Native browser confirm dialogs
   are intentionally not used anywhere in the authenticated portal. */
.portal-confirm-dialog {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: var(--space-4);
    opacity: 0;
    transition: opacity 140ms ease;
}
.portal-confirm-dialog[hidden] { display: none !important; }
.portal-confirm-dialog.is-open { opacity: 1; }
.portal-confirm-backdrop {
    position: absolute;
    inset: 0;
    border: 0;
    background: rgba(4, 10, 16, 0.66);
    backdrop-filter: blur(4px);
}
.portal-confirm-panel {
    position: relative;
    width: min(100%, 430px);
    overflow: hidden;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    background: var(--surface-raised);
    color: var(--text);
    box-shadow: var(--shadow-lg);
    transform: translateY(10px) scale(0.985);
    transition: transform 140ms ease;
}
.portal-confirm-dialog.is-open .portal-confirm-panel { transform: translateY(0) scale(1); }
.portal-confirm-heading {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-5);
}
.portal-confirm-icon {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    color: var(--brand);
    background: rgba(var(--brand-rgb), 0.12);
}
.portal-confirm-dialog.is-danger .portal-confirm-icon {
    color: var(--danger);
    background: rgba(var(--danger-rgb), 0.12);
}
.portal-confirm-icon svg { width: 21px; height: 21px; }
.portal-confirm-heading h2 { margin: 0; font-size: 1.05rem; font-weight: 700; }
.portal-confirm-heading p {
    margin: var(--space-2) 0 0;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.55;
}
.portal-confirm-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--border);
    background: var(--surface-sunken);
}
.portal-confirm-actions button {
    min-height: 44px;
    border-radius: var(--radius-sm);
    padding: 0 var(--space-4);
    font-size: 0.9rem;
    font-weight: 650;
}
.portal-confirm-dialog.is-danger [data-confirm-accept] {
    border-color: transparent;
    background: var(--danger);
    color: #fff;
    box-shadow: 0 4px 14px -4px rgba(var(--danger-rgb), 0.5);
}

@media (min-width: 640px) {
    .portal-confirm-dialog { align-items: center; }
}

/* Primary call-to-action. Tailwind utilities on the element still control
   padding/size/rounding/layout; this class only owns color (including its
   own tinted shadow and hover lift, since shadow color is a color
   concern, not a layout one). */
.btn-brand {
    background-color: var(--brand);
    color: var(--brand-contrast);
    border: 1px solid transparent;
    box-shadow: 0 4px 14px -4px rgba(var(--brand-rgb), 0.45);
    transition: background-color 150ms ease-in-out, transform 150ms ease-in-out, box-shadow 150ms ease-in-out;
}
.btn-brand:hover {
    background-color: var(--brand-hover);
    transform: translateY(-1px);
    box-shadow: 0 8px 20px -6px rgba(var(--brand-rgb), 0.5);
}
.btn-brand:active {
    transform: translateY(0);
    box-shadow: 0 3px 10px -4px rgba(var(--brand-rgb), 0.4);
}
.btn-brand:focus-visible {
    outline: 2px solid var(--ring);
    outline-offset: 2px;
}
.btn-brand[aria-disabled="true"] {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Card: surface color/border plus the brand accent strip along the top
   edge. overflow:hidden clips that strip to the element's own
   rounded-2xl/rounded-xl corners (set via Tailwind on the element). */
.card {
    position: relative;
    overflow: hidden;
    background-color: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    box-shadow: 0 8px 20px -10px rgba(var(--brand-rgb), 0.18), var(--shadow-lg);
}
.card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 4px;
    background-image: linear-gradient(90deg, var(--brand), var(--brand-hover));
}

.input {
    background-color: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: border-color 150ms ease-in-out, box-shadow 150ms ease-in-out;
}
.input::placeholder {
    color: var(--text-muted);
}
.input:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(var(--brand-rgb), 0.15);
}
.input:focus-visible {
    outline: 2px solid var(--ring);
    outline-offset: 2px;
}

/* Desktop-split branded panel (md: and up — see login.php). Same brand
   hue as everything else, just applied as a filled gradient panel
   instead of a small accent, with a faint sheen for depth. */
.brand-panel {
    position: relative;
    overflow: hidden;
    background-image: linear-gradient(160deg, var(--brand), var(--brand-hover));
    color: var(--brand-contrast);
}
.brand-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 80% 15%, rgba(255, 255, 255, 0.16), transparent 55%);
    pointer-events: none;
}

/* Logo badge: a theme-aware outer tile (matches whatever surface it sits
   on) wrapping a small fixed-white inner chip sized to the mark itself.
   The inner chip exists because the source logo.png has an opaque
   cream background baked in — see DESIGN.md — so it needs a
   controlled, predictable backing regardless of theme or where the
   tile is placed (card header or the teal brand-panel). */
.logo-tile {
    background-color: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}
.logo-chip {
    background-color: #ffffff;
}

.link {
    color: var(--brand);
    text-decoration: none;
}
.link:hover {
    color: var(--brand-hover);
    text-decoration: underline;
}
.link:focus-visible {
    outline: 2px solid var(--ring);
    outline-offset: 2px;
    border-radius: 2px;
}

.theme-toggle {
    background-color: var(--surface);
    color: var(--text-muted);
    border: 1px solid var(--border);
    transition: color 150ms ease-in-out, border-color 150ms ease-in-out;
}
.theme-toggle:hover {
    color: var(--text);
    border-color: var(--brand);
}
.theme-toggle:focus-visible {
    outline: 2px solid var(--ring);
    outline-offset: 2px;
}

.text-muted {
    color: var(--text-muted);
}
.text-danger {
    color: var(--danger);
}

/* Alpine-owned elements stay out of the initial layout until Alpine has
   initialized. This prevents the mobile drawer and menus flashing open. */
[x-cloak] {
    display: none !important;
}

/* Authenticated application shell. View.php owns the shared markup while
   these classes own all theme-dependent color and elevation. */
.dashboard-body {
    background-color: var(--bg);
}

.sidebar {
    background-color: var(--surface);
    color: var(--text);
    border-right: 1px solid var(--border);
    box-shadow: 8px 0 24px -20px rgba(0, 0, 0, 0.35);
}
/* .sidebar-brand and .sidebar-footer are flex items with natural (auto)
   height; the nav between them is flex-1 with its own overflow-y-auto so
   it — not the whole sidebar — is what scrolls if content genuinely
   exceeds the viewport. min-height:0 is required here: without it, a
   flex child defaults to min-height:auto, which stops it from shrinking
   below its content's height, so it would rather push past the sidebar's
   fixed viewport-height box than actually engage overflow-y-auto at
   normal heights. This is what caused the Settings submenu to add a
   visible scrollbar even when everything would otherwise fit. */
.sidebar > nav {
    min-height: 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.sidebar > nav::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
}
.sidebar-brand,
.sidebar-footer {
    border-bottom: 1px solid var(--border);
}
.sidebar-footer {
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    border-bottom: 0;
}
.sidebar-tagline,
.nav-section-label,
.role-label,
.menu-chevron {
    color: var(--text-muted);
}

/* The desktop sidebar can collapse into a compact navigation rail. Its state
   is stored by View.php; the mobile drawer remains a full-width menu. */
@media (min-width: 768px) {
    .desktop-sidebar {
        width: 16rem;
        transition: width 180ms ease-in-out;
    }
    .dashboard-shell {
        margin-left: 16rem;
        transition: margin-left 180ms ease-in-out;
    }
    html.sidebar-collapsed .desktop-sidebar {
        width: 4.75rem;
    }
    html.sidebar-collapsed .dashboard-shell {
        margin-left: 4.75rem;
    }
    html.sidebar-collapsed .desktop-sidebar .sidebar-brand {
        justify-content: center;
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
    html.sidebar-collapsed .desktop-sidebar .sidebar-copy,
    html.sidebar-collapsed .desktop-sidebar .nav-section-label,
    html.sidebar-collapsed .desktop-sidebar .nav-link-label,
    html.sidebar-collapsed .desktop-sidebar .sidebar-footer-copy {
        display: none;
    }
    html.sidebar-collapsed .desktop-sidebar nav {
        padding-left: 0.625rem;
        padding-right: 0.625rem;
    }
    html.sidebar-collapsed .desktop-sidebar .nav-link {
        justify-content: center;
        padding: 0.375rem;
    }
    html.sidebar-collapsed .desktop-sidebar .nav-icon {
        margin-right: 0;
    }
    html.sidebar-collapsed .desktop-sidebar .sidebar-footer {
        padding-left: 0;
        padding-right: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .desktop-sidebar,
    .dashboard-shell {
        transition: none;
    }
}

.drawer-overlay {
    background-color: rgba(15, 17, 21, 0.58);
}

.topbar {
    background-color: var(--surface);
    color: var(--text);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 22px -20px rgba(0, 0, 0, 0.45);
}

.nav-link {
    color: var(--text-muted);
    transition: background-color 150ms ease-in-out, color 150ms ease-in-out;
}
.nav-icon {
    color: currentColor;
    background-color: rgba(var(--accent-rgb), 0.07);
    transition: background-color 150ms ease-in-out, color 150ms ease-in-out, box-shadow 150ms ease-in-out;
}
.nav-child-icon {
    color: var(--text-muted);
    background-color: transparent;
    transition: color 150ms ease-in-out, background-color 150ms ease-in-out;
}
.nav-child-icon svg {
    width: 1rem;
    height: 1rem;
}
.nav-child-link:hover .nav-child-icon,
.nav-child-link.is-active .nav-child-icon {
    color: var(--brand);
    background-color: rgba(var(--brand-rgb), 0.09);
}
.nav-submenu {
    margin: 0.35rem 0 0.45rem 2.45rem;
    padding-left: 0.65rem;
    border-left: 1px solid rgba(var(--accent-rgb), 0.25);
}
.nav-submenu > li + li {
    margin-top: 0.125rem;
}
.nav-child-link {
    padding: 0.38rem 0.5rem;
    color: var(--text-muted);
    font-size: 0.8125rem;
}
.nav-child-link:hover {
    background-color: rgba(var(--accent-rgb), 0.055);
}
.nav-child-link.is-active {
    color: var(--brand);
    background: rgba(var(--brand-rgb), 0.085);
    box-shadow: inset 2px 0 0 var(--brand);
}
.nav-marker {
    background-color: var(--border);
    transition: background-color 150ms ease-in-out, box-shadow 150ms ease-in-out;
}
.nav-link:hover {
    color: var(--text);
    background-color: rgba(var(--brand-rgb), 0.08);
}
.nav-link.is-active {
    color: var(--brand);
    background: linear-gradient(90deg, rgba(var(--brand-rgb), 0.16), rgba(var(--accent-rgb), 0.07));
}
.nav-link.is-active .nav-icon {
    background-color: rgba(var(--brand-rgb), 0.16);
    box-shadow: inset 0 0 0 1px rgba(var(--brand-rgb), 0.16), 0 0 18px -9px rgba(var(--brand-rgb), 0.9);
}
.nav-link.is-active .nav-marker {
    background-color: var(--brand);
    box-shadow: 0 0 0 4px rgba(var(--brand-rgb), 0.12);
}
.nav-link:focus-visible,
.icon-button:focus-visible,
.user-menu-button:focus-visible,
.dropdown-link:focus-visible,
.skip-link:focus-visible {
    outline: 2px solid var(--ring);
    outline-offset: 2px;
}

.icon-button,
.user-menu-button {
    color: var(--text);
    border: 1px solid transparent;
    transition: background-color 150ms ease-in-out, border-color 150ms ease-in-out;
}
.icon-button:hover,
.user-menu-button:hover {
    background-color: rgba(var(--brand-rgb), 0.08);
    border-color: var(--border);
}
.hamburger {
    display: inline-flex;
    width: 20px;
    flex-direction: column;
    gap: 4px;
}
.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    border-radius: 9999px;
    background-color: currentColor;
}

.avatar {
    color: var(--brand-contrast);
    background-color: var(--brand);
}
.user-dropdown {
    background-color: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
}
.user-dropdown-summary {
    border-bottom: 1px solid var(--border);
}
.dropdown-link {
    color: var(--text);
    transition: background-color 150ms ease-in-out, color 150ms ease-in-out;
}
.dropdown-link:hover {
    color: var(--brand);
    background-color: rgba(var(--brand-rgb), 0.1);
}

.content-card,
.stat-card {
    background-color: var(--surface-raised);
    color: var(--text);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}
.stat-card {
    transition: border-color 150ms ease-in-out, box-shadow 150ms ease-in-out, transform 150ms ease-in-out;
}
.stat-card:hover {
    border-color: var(--brand);
    box-shadow: 0 18px 34px -24px rgba(var(--brand-rgb), 0.5);
    transform: translateY(-1px);
}
.stat-accent {
    background-image: linear-gradient(90deg, var(--brand), var(--brand-hover));
}
.stat-value {
    min-height: 36px;
    color: var(--brand);
}
.stat-value.is-loading {
    color: var(--text-muted);
    animation: stat-pulse 1.2s ease-in-out infinite;
}
.eyebrow {
    color: var(--accent);
}
.notice-card {
    color: var(--text);
    background-color: rgba(var(--brand-rgb), 0.1);
    border: 1px solid rgba(var(--brand-rgb), 0.35);
}

.skip-link {
    position: fixed;
    top: 8px;
    left: 8px;
    z-index: 100;
    padding: 8px 12px;
    border-radius: 8px;
    color: var(--brand-contrast);
    background-color: var(--brand);
    transform: translateY(-150%);
    transition: transform 150ms ease-in-out;
}
.skip-link:focus {
    transform: translateY(0);
}

@keyframes stat-pulse {
    0%, 100% { opacity: 0.45; }
    50% { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
    .btn-brand,
    .input,
    .nav-link,
    .stat-card,
    .stat-value,
    .skip-link {
        animation: none;
        transition: none;
    }
}

/* Full customer onboarding uses the same drawer grammar as other CRUD,
   widened on desktop so long registration forms remain calm and scannable. */
.customer-onboard-panel {
    max-width: 64rem;
}
.form-section,
.detail-section {
    background-color: var(--surface-sunken);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: var(--space-4);
}
.form-section-heading {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}
.form-section-heading > span {
    display: inline-flex;
    width: 28px;
    height: 28px;
    flex: 0 0 28px;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    color: var(--brand);
    background-color: rgba(var(--brand-rgb), 0.12);
    border: 1px solid rgba(var(--brand-rgb), 0.28);
    font-size: 0.75rem;
    font-weight: 700;
}
.form-section-heading h4,
.detail-section h5 {
    font-weight: 650;
}
.form-section-heading p {
    margin-top: 2px;
    color: var(--text-muted);
    font-size: 0.8125rem;
}
.form-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-4);
}
.form-section label,
.form-section > label {
    color: var(--text);
    font-size: 0.875rem;
    font-weight: 500;
}
.form-section small {
    display: block;
    min-height: 18px;
    margin-top: 4px;
    color: var(--danger);
    font-size: 0.75rem;
}
.form-section small.field-success,
.field-success {
    color: var(--success);
}
.package-summary,
.check-row,
.upload-preview {
    background-color: rgba(var(--brand-rgb), 0.06);
    border: 1px solid var(--border);
}
.package-summary span {
    display: block;
    color: var(--text-muted);
    font-size: 0.75rem;
}
.package-summary strong {
    display: block;
    margin-top: 2px;
    overflow-wrap: anywhere;
}
.file-input::file-selector-button {
    margin-right: 12px;
    padding: 8px 12px;
    color: var(--brand);
    background: rgba(var(--brand-rgb), 0.1);
    border: 0;
    border-radius: 7px;
    font-weight: 600;
    cursor: pointer;
}
.upload-thumb,
.customer-photo {
    background-color: var(--bg);
    border: 1px solid var(--border);
}
.upload-preview {
    color: var(--text);
    transition: border-color 150ms ease-in-out;
}
.upload-preview:hover {
    border-color: var(--brand);
}
.signature-canvas {
    display: block;
    height: 180px;
    touch-action: none;
    background-color: var(--surface);
    border: 1px dashed var(--border);
}
.signature-canvas:focus,
.signature-canvas:hover {
    border-color: var(--brand);
}
.detail-section > h5 {
    margin-bottom: 12px;
}
.sticky-form-actions {
    position: sticky;
    bottom: -16px;
    z-index: 2;
    background-color: var(--surface);
    border-top: 1px solid var(--border);
}

/* Compact form-section/form-grid overrides scoped to the Network Map's
   floating canvas cards only — these are always narrow regardless of
   viewport, so they need denser spacing than the full-width CRUD drawers
   that share the same base classes. Higher selector specificity than the
   640px form-section/form-grid rule below wins at any viewport. */
.network-canvas-formcard .form-section {
    padding: var(--space-3);
    border-radius: 12px;
}
.network-canvas-formcard .form-grid {
    gap: var(--space-2);
}
.network-canvas-formcard .input {
    padding: 6px 8px;
    font-size: 0.8125rem;
}
.network-canvas-formcard .form-section label,
.network-canvas-formcard .form-section > label {
    font-size: 0.8125rem;
}
.network-canvas-formcard .form-section small {
    font-size: 0.6875rem;
    min-height: 14px;
}

@media (min-width: 640px) {
    .form-section,
    .detail-section {
        padding: var(--space-5);
    }
    .form-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* Services: one visual workspace over four linked, independently persisted
   resource types. These extend the generic CRUD patterns above. */
.service-tabs {
    background-color: var(--surface);
    border: 1px solid var(--border);
}
.service-tab {
    color: var(--text-muted);
    transition: color 150ms ease-in-out, background-color 150ms ease-in-out;
}
.service-tab:hover {
    color: var(--text);
    background-color: rgba(var(--brand-rgb), 0.07);
}
.service-tab.is-active {
    color: var(--brand);
    background-color: rgba(var(--brand-rgb), 0.14);
}
.service-tab:focus-visible,
.service-card:focus-visible,
.btn-danger-soft:focus-visible,
.danger-link:focus-visible {
    outline: 2px solid var(--ring);
    outline-offset: 2px;
}
.service-card {
    background-color: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}
.capacity-line {
    border-top: 1px solid var(--border);
}
.service-table thead {
    color: var(--text);
    background: linear-gradient(90deg, rgba(var(--brand-rgb), 0.11), rgba(var(--accent-rgb), 0.08));
    border-bottom: 1px solid var(--border);
}
.service-table tbody tr + tr {
    border-top: 1px solid var(--border);
}
.service-table tbody tr {
    transition: background-color 150ms ease-in-out;
}
.service-table tbody tr:hover {
    background-color: rgba(var(--brand-rgb), 0.05);
}
.btn-danger-soft {
    color: var(--danger);
    background-color: rgba(var(--danger-rgb), 0.07);
    border: 1px solid rgba(var(--danger-rgb), 0.22);
}
.btn-danger-soft:hover {
    background-color: rgba(var(--danger-rgb), 0.13);
}
.danger-link {
    color: var(--danger);
}
.danger-link:hover {
    text-decoration: underline;
}
.capacity-summary,
.choice-list,
.live-total {
    background-color: rgba(var(--brand-rgb), 0.06);
    border: 1px solid var(--border);
}
.free-ip {
    color: var(--brand);
    background-color: rgba(var(--brand-rgb), 0.1);
    border: 1px solid rgba(var(--brand-rgb), 0.22);
}
.form-label {
    display: block;
    margin-bottom: 4px;
    font-size: 0.875rem;
    font-weight: 500;
}
.form-input {
    display: block;
    width: 100%;
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 1rem;
    line-height: 1.5;
}

@media (prefers-reduced-motion: reduce) {
    .service-tab,
    .service-table tbody tr {
        transition: none;
    }
}

/* CRUD controls and responsive record presentation. These extend the shell
   components without assigning any brand/theme colors in page markup. */
.btn-secondary {
    background-color: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: color 150ms ease-in-out, border-color 150ms ease-in-out, background-color 150ms ease-in-out, box-shadow 150ms ease-in-out;
}
.btn-secondary:hover {
    color: var(--brand);
    border-color: var(--brand);
    background-color: rgba(var(--brand-rgb), 0.06);
    box-shadow: var(--shadow-md);
}
.btn-secondary:focus-visible,
.customer-card:focus-visible,
.customer-row:focus-visible {
    outline: 2px solid var(--ring);
    outline-offset: 2px;
}

.customer-card {
    background-color: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    transition: border-color 150ms ease-in-out, box-shadow 150ms ease-in-out, transform 150ms ease-in-out;
}
.customer-card:hover {
    border-color: var(--brand);
    box-shadow: 0 18px 34px -24px rgba(var(--brand-rgb), 0.5);
    transform: translateY(-1px);
}
.customer-card-meta,
.customer-table tbody tr,
.customer-table thead {
    border-color: var(--border);
}
.customer-card-meta {
    border-top: 1px solid var(--border);
}
.customer-table thead {
    color: var(--text);
    background: linear-gradient(90deg, rgba(var(--brand-rgb), 0.11), rgba(var(--accent-rgb), 0.08));
    border-bottom: 1px solid var(--border);
}
.expiry-group {
    background-color: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}
.expiry-group-header {
    border-bottom: 1px solid var(--border);
}
.expiry-urgency-dot {
    background-color: var(--brand);
    box-shadow: 0 0 0 4px rgba(var(--brand-rgb), 0.1);
}
.expiry-count-badge {
    color: var(--brand);
    background-color: rgba(var(--brand-rgb), 0.1);
    border: 1px solid rgba(var(--brand-rgb), 0.2);
}
.expiry-group--warning .expiry-urgency-dot {
    background-color: var(--warning);
    box-shadow: 0 0 0 4px rgba(var(--warning-rgb), 0.1);
}
.expiry-group--warning .expiry-count-badge {
    color: var(--warning);
    background-color: rgba(var(--warning-rgb), 0.1);
    border-color: rgba(var(--warning-rgb), 0.2);
}
.expiry-group--danger .expiry-urgency-dot {
    background-color: var(--danger);
    box-shadow: 0 0 0 4px rgba(var(--danger-rgb), 0.1);
}
.expiry-group--danger .expiry-count-badge {
    color: var(--danger);
    background-color: rgba(var(--danger-rgb), 0.1);
    border-color: rgba(var(--danger-rgb), 0.2);
}
.expiry-customer-row {
    min-height: 5rem;
    padding: 0.75rem 0;
}
.expiry-customer-row + .expiry-customer-row {
    border-top: 1px solid var(--border);
}
.expiry-customer-name,
.expiry-customer-meta {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.expiry-notify-action {
    color: var(--success);
    background-color: transparent;
    border: 1px solid rgba(var(--success-rgb), 0.28);
    transition: background-color 150ms ease-in-out, border-color 150ms ease-in-out, transform 150ms ease-in-out;
}
.expiry-notify-action:hover {
    background-color: rgba(var(--success-rgb), 0.1);
    border-color: var(--success);
    transform: translateY(-1px);
}
.expiry-notify-action:focus-visible,
.expiry-expand-button:focus-visible {
    outline: 2px solid var(--ring);
    outline-offset: 2px;
}
.expiry-notify-unavailable {
    color: var(--text-muted);
    background-color: rgba(var(--brand-rgb), 0.04);
    border: 1px solid var(--border);
    opacity: 0.65;
}
.expiry-expand-row {
    border-top: 1px solid var(--border);
}
.expiry-expand-button {
    color: var(--brand);
}
.expiry-expand-button:hover {
    color: var(--brand-hover);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.customer-table tbody tr + tr {
    border-top: 1px solid var(--border);
}
.customer-row {
    color: var(--text);
    transition: background-color 150ms ease-in-out;
}
.customer-row:hover,
.customer-row:focus {
    background-color: rgba(var(--brand-rgb), 0.07);
}

.status-badge {
    border: 1px solid transparent;
}
.status-active {
    color: var(--success);
    background-color: rgba(var(--success-rgb), 0.12);
    border-color: rgba(var(--success-rgb), 0.28);
}
.status-expired {
    color: var(--danger);
    background-color: rgba(var(--danger-rgb), 0.1);
    border-color: rgba(var(--danger-rgb), 0.25);
}
.status-suspended {
    color: var(--warning);
    background-color: rgba(var(--warning-rgb), 0.12);
    border-color: rgba(var(--warning-rgb), 0.28);
}
.status-warning {
    color: var(--warning);
    background-color: rgba(var(--warning-rgb), 0.12);
    border-color: rgba(var(--warning-rgb), 0.28);
}
.status-critical {
    color: var(--danger);
    background-color: rgba(var(--danger-rgb), 0.1);
    border-color: rgba(var(--danger-rgb), 0.25);
}
.status-neutral {
    color: var(--offline);
    background-color: rgba(var(--offline-rgb), 0.09);
    border-color: rgba(var(--offline-rgb), 0.24);
}
.pppoe-presence-dot {
    box-shadow: 0 0 0 3px rgba(var(--offline-rgb), 0.12);
}
.pppoe-presence-dot.is-online {
    background-color: var(--success);
    box-shadow: 0 0 0 3px rgba(var(--success-rgb), 0.14);
}
.pppoe-presence-dot.is-offline {
    background-color: var(--offline);
}

/* Customer portal shell. Customer self-service deliberately uses a light,
   horizontal desktop header and a native-style bottom dock on phones instead
   of reusing the internal staff sidebar. Both shells still share the same
   theme variables and security/layout primitives. */
.customer-portal-body {
    background-color: var(--bg);
}
.customer-header,
.customer-desktop-nav,
.customer-bottom-nav,
.customer-more-sheet {
    background-color: var(--surface);
    color: var(--text);
}
.customer-header {
    border-bottom: 1px solid var(--border);
    box-shadow: 0 10px 30px -28px rgba(0, 0, 0, 0.65);
}
.customer-wordmark-link {
    padding: 4px 8px;
    background-color: #ffffff;
    border: 1px solid rgba(17, 24, 39, 0.1);
}
.customer-wordmark {
    display: block;
    max-width: 207px;
    object-fit: contain;
}
.customer-account-button {
    color: var(--text);
    background-color: rgba(var(--brand-rgb), 0.05);
    border: 1px solid var(--border);
    transition: background-color 150ms ease-in-out, border-color 150ms ease-in-out;
}
.customer-account-button:hover {
    background-color: rgba(var(--brand-rgb), 0.1);
    border-color: var(--brand);
}
.customer-account-photo {
    display: block;
    border: 1px solid rgba(var(--brand-rgb), 0.32);
    background-color: var(--surface);
}
.customer-desktop-nav {
    border-top: 1px solid var(--border);
}
.customer-nav-link {
    position: relative;
    color: var(--text-muted);
    white-space: nowrap;
    transition: color 150ms ease-in-out, background-color 150ms ease-in-out;
}
.customer-nav-link::after {
    content: "";
    position: absolute;
    right: 12px;
    bottom: 0;
    left: 12px;
    height: 2px;
    border-radius: 999px 999px 0 0;
    background-color: transparent;
}
.customer-nav-link:hover {
    color: var(--text);
    background-color: rgba(var(--brand-rgb), 0.06);
}
.customer-nav-link.is-active {
    color: var(--brand);
}
.customer-nav-link.is-active::after {
    background-color: var(--brand);
}
.customer-nav-link:focus-visible,
.customer-wordmark-link:focus-visible,
.customer-account-button:focus-visible,
.customer-bottom-link:focus-visible,
.customer-more-link:focus-visible,
.portal-quick-action:focus-visible,
.portal-welcome-action:focus-visible {
    outline: 2px solid var(--ring);
    outline-offset: 2px;
}
.customer-bottom-nav {
    padding-bottom: env(safe-area-inset-bottom, 0);
    border-top: 1px solid var(--border);
    box-shadow: 0 -14px 30px -24px rgba(0, 0, 0, 0.55);
}
.customer-bottom-link {
    min-height: 64px;
    color: var(--text-muted);
    transition: color 150ms ease-in-out, background-color 150ms ease-in-out;
}
.customer-bottom-link:hover,
.customer-bottom-link.is-active {
    color: var(--brand);
    background-color: rgba(var(--brand-rgb), 0.08);
}
.customer-more-overlay {
    background-color: rgba(15, 17, 21, 0.62);
}
.customer-more-sheet {
    padding-bottom: calc(2rem + env(safe-area-inset-bottom, 0px));
    border: 1px solid var(--border);
    box-shadow: 0 -26px 60px -28px rgba(0, 0, 0, 0.65);
}
.customer-sheet-handle {
    background-color: var(--border);
}
.customer-more-link {
    color: var(--text);
    background-color: rgba(var(--brand-rgb), 0.04);
    border: 1px solid var(--border);
    transition: color 150ms ease-in-out, background-color 150ms ease-in-out, border-color 150ms ease-in-out;
}
.customer-more-link:hover,
.customer-more-link.is-active {
    color: var(--brand);
    background-color: rgba(var(--brand-rgb), 0.1);
    border-color: rgba(var(--brand-rgb), 0.38);
}
.customer-more-icon,
.portal-quick-icon,
.portal-placeholder-icon {
    color: var(--brand);
    background-color: rgba(var(--brand-rgb), 0.1);
    border: 1px solid rgba(var(--brand-rgb), 0.2);
}
.customer-logout-link {
    color: var(--danger);
}
.customer-logout-link .customer-more-icon {
    color: var(--danger);
    background-color: rgba(var(--danger-rgb), 0.08);
    border-color: rgba(var(--danger-rgb), 0.2);
}

.portal-welcome {
    position: relative;
    overflow: hidden;
    color: var(--brand-contrast);
    background-image: linear-gradient(135deg, var(--brand), var(--brand-hover));
    box-shadow: 0 18px 40px -26px rgba(var(--brand-rgb), 0.75);
}
.portal-welcome::after {
    content: "";
    position: absolute;
    width: 280px;
    height: 280px;
    right: -90px;
    top: -170px;
    border: 44px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    pointer-events: none;
}
.portal-welcome-kicker,
.portal-welcome-meta {
    color: var(--brand-contrast);
    opacity: 0.82;
}
.portal-welcome-photo,
.portal-welcome-avatar {
    border: 2px solid rgba(255, 255, 255, 0.68);
    box-shadow: 0 12px 28px -16px rgba(0, 0, 0, 0.65);
}
.portal-welcome-avatar {
    color: var(--brand);
    background-color: var(--surface);
}
.portal-welcome-action {
    color: var(--brand);
    background-color: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 8px 22px -14px rgba(0, 0, 0, 0.45);
    transition: transform 150ms ease-in-out, box-shadow 150ms ease-in-out;
}
.portal-welcome-action:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 26px -14px rgba(0, 0, 0, 0.5);
}
.portal-panel,
.portal-plan-card,
.portal-quick-action {
    color: var(--text);
    background-color: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}
.portal-plan-card {
    position: relative;
    overflow: hidden;
}
.portal-plan-card::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 3px;
    background-image: linear-gradient(90deg, var(--brand), var(--brand-hover));
}
.portal-expiry-block {
    background-color: rgba(var(--brand-rgb), 0.06);
    border: 1px solid rgba(var(--brand-rgb), 0.18);
}
.portal-days-value {
    color: var(--brand);
}
.portal-account-item + .portal-account-item {
    border-top: 1px solid var(--border);
}
.portal-quick-action {
    min-height: 128px;
    transition: color 150ms ease-in-out, border-color 150ms ease-in-out, transform 150ms ease-in-out, box-shadow 150ms ease-in-out;
}
.portal-quick-action:hover {
    color: var(--brand);
    border-color: rgba(var(--brand-rgb), 0.45);
    transform: translateY(-2px);
    box-shadow: 0 20px 34px -26px rgba(var(--brand-rgb), 0.7);
}
.portal-profile-avatar {
    color: var(--brand-contrast);
    background-image: linear-gradient(145deg, var(--brand), var(--brand-hover));
    box-shadow: 0 10px 24px -16px rgba(var(--brand-rgb), 0.75);
}
.portal-profile-photo,
.portal-profile-photo-link {
    border: 1px solid var(--border);
}
.portal-profile-photo-link,
.portal-document-card {
    transition: border-color 150ms ease-in-out, box-shadow 150ms ease-in-out, transform 150ms ease-in-out;
}
.portal-profile-photo-link:hover,
.portal-document-card[href]:hover {
    border-color: rgba(var(--brand-rgb), 0.48);
    box-shadow: 0 16px 28px -24px rgba(var(--brand-rgb), 0.8);
    transform: translateY(-1px);
}
.portal-profile-photo-link:focus-visible,
.portal-document-card:focus-visible {
    outline: 2px solid var(--ring);
    outline-offset: 2px;
}
.portal-document-card {
    color: var(--text);
    background-color: var(--surface);
    border: 1px solid var(--border);
}
.portal-document-image-wrap {
    background-color: #f8fafc;
}
.portal-document-label {
    border-top: 1px solid var(--border);
}
.portal-document-missing {
    background-color: rgba(var(--brand-rgb), 0.025);
    border-style: dashed;
}

.portal-session-stat {
    color: var(--text);
    background-color: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}
.portal-session-heading {
    background-color: rgba(var(--brand-rgb), 0.045);
    border-bottom: 1px solid var(--border);
}
.portal-session-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}
.portal-session-table th {
    padding: 11px 16px;
    color: var(--text-muted);
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
    text-align: left;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.055em;
    text-transform: uppercase;
}
.portal-session-table td {
    padding: 15px 16px;
    vertical-align: top;
    font-size: 0.8125rem;
    overflow-wrap: anywhere;
}
.portal-session-table tbody tr + tr,
.portal-session-card + .portal-session-card {
    border-top: 1px solid var(--border);
}
.portal-session-table tbody tr:hover {
    background-color: rgba(var(--brand-rgb), 0.035);
}
.portal-session-mobile-grid > div {
    min-width: 0;
}
.portal-usage-chart {
    background-color: rgba(var(--brand-rgb), 0.028);
    border: 1px solid var(--border);
}
.portal-usage-canvas-wrap {
    position: relative;
    height: 18rem;
}
.portal-usage-detail {
    background-color: var(--surface);
    border: 1px solid var(--border);
}

@media (min-width: 640px) {
    .portal-usage-canvas-wrap {
        height: 23rem;
    }
    .portal-account-grid .portal-account-item {
        border-top: 0;
        border-bottom: 1px solid var(--border);
    }
    .portal-account-grid .portal-account-item:nth-last-child(-n+2) {
        border-bottom: 0;
    }
    .portal-account-grid .portal-account-item:nth-child(even) {
        border-left: 1px solid var(--border);
    }
}

@media (max-width: 390px) {
    .customer-wordmark {
        max-width: 160px;
        height: 32px;
    }
    .customer-bottom-link span {
        font-size: 0.6875rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .customer-account-button,
    .customer-nav-link,
    .customer-bottom-link,
    .customer-more-link,
    .portal-quick-action,
    .portal-welcome-action {
        transition: none;
    }
}

.crud-panel {
    background-color: var(--surface);
    color: var(--text);
    border-left: 1px solid var(--border);
    box-shadow: -20px 0 45px -28px rgba(0, 0, 0, 0.55);
}
.crud-panel-header {
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
}
.detail-list {
    overflow: hidden;
    border: 1px solid var(--border);
}
.detail-list > div {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    padding: 14px 16px;
}
.detail-list > div + div {
    border-top: 1px solid var(--border);
}
.detail-list dt {
    color: var(--text-muted);
    font-size: 0.875rem;
}
.detail-list dd {
    max-width: 62%;
    overflow-wrap: anywhere;
    text-align: right;
    font-size: 0.875rem;
    font-weight: 500;
}
.field-error {
    color: var(--danger);
}
.error-card {
    color: var(--danger);
    background-color: rgba(var(--danger-rgb), 0.08);
    border: 1px solid rgba(var(--danger-rgb), 0.25);
}
.empty-state-mark {
    color: var(--brand);
    background-color: rgba(var(--brand-rgb), 0.12);
    border: 1px solid rgba(var(--brand-rgb), 0.25);
}
.loading-dot {
    background-color: var(--brand);
    animation: stat-pulse 1.1s ease-in-out infinite;
    box-shadow: 0 0 0 7px rgba(var(--brand-rgb), 0.1);
}

html.dark .input[type="date"],
html.dark select.input {
    color-scheme: dark;
}

/* Staff HR records and the OLT registry reuse the shared CRUD grammar while
   keeping their status/identity treatments theme-owned. */
.staff-panel {
    max-width: 56rem;
}
.staff-avatar {
    color: var(--brand);
    background-color: rgba(var(--brand-rgb), 0.12);
    border: 1px solid rgba(var(--brand-rgb), 0.25);
}
.role-badge,
.olt-status {
    border: 1px solid transparent;
}
.role-admin {
    color: var(--brand);
    background-color: rgba(var(--brand-rgb), 0.12);
    border-color: rgba(var(--brand-rgb), 0.3);
}
.role-manager {
    color: var(--text-muted);
    background-color: rgba(var(--brand-rgb), 0.05);
    border-color: var(--border);
}
.monitor-placeholder {
    background-image: linear-gradient(135deg, rgba(var(--brand-rgb), 0.12), rgba(var(--brand-rgb), 0.035));
    border: 1px solid rgba(var(--brand-rgb), 0.28);
}
.monitor-mark {
    color: var(--brand);
    background-color: var(--surface);
    border: 1px solid rgba(var(--brand-rgb), 0.28);
}
.olt-card {
    background-color: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}
.olt-status {
    color: var(--success);
    background-color: rgba(var(--success-rgb), 0.1);
    border-color: rgba(var(--success-rgb), 0.25);
}
.olt-card-actions {
    border-top: 1px solid var(--border);
}
.monitor-summary,
.olt-monitor-card,
.onu-card,
.optical-table-wrap {
    background-color: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}
.monitor-summary > div {
    min-width: 0;
    padding: 14px 12px;
    text-align: center;
}
.monitor-summary > div + div {
    border-left: 1px solid var(--border);
}
.monitor-summary span {
    display: block;
    color: var(--text-muted);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.monitor-summary strong {
    display: block;
    margin-top: 3px;
    font-size: 1.5rem;
}
.monitor-summary .summary-online strong { color: var(--success); }
.monitor-summary .summary-offline strong { color: var(--offline); }
.monitor-summary .summary-warning strong { color: var(--warning); }
.monitor-summary .summary-critical strong { color: var(--danger); }
.olt-monitor-card {
    color: var(--text);
}
.olt-expand:focus-visible {
    outline: 2px solid var(--ring);
    outline-offset: 4px;
    border-radius: 8px;
}
.onu-panel {
    border-top: 1px solid var(--border);
    padding-top: 16px;
}
.olt-health-grid > div,
.pon-summary-card,
.olt-device-details {
    background-color: rgba(var(--brand-rgb), 0.045);
    border: 1px solid var(--border);
}
.olt-health-grid > div {
    min-width: 0;
    padding: 10px;
    border-radius: 0.75rem;
}
.olt-health-grid span,
.olt-device-details dt {
    display: block;
    color: var(--text-muted);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.035em;
    text-transform: uppercase;
}
.olt-health-grid strong,
.olt-device-details dd {
    display: block;
    margin-top: 3px;
    overflow-wrap: anywhere;
    font-size: 0.8125rem;
    font-weight: 600;
}
.pon-summary-card .optical-ok { color: var(--success); }
.pon-summary-card .optical-critical { color: var(--danger); }
.optical-empty {
    background-color: rgba(var(--brand-rgb), 0.04);
    border: 1px dashed var(--border);
}
.onu-detail-gap {
    color: var(--warning);
    background-color: rgba(var(--warning-rgb), 0.08);
    border: 1px solid rgba(var(--warning-rgb), 0.28);
}
.registration-badge {
    border: 1px solid transparent;
    white-space: nowrap;
}
.registration-badge.is-online {
    color: var(--success);
    background-color: rgba(var(--success-rgb), 0.11);
    border-color: rgba(var(--success-rgb), 0.27);
}
.registration-badge.is-offline {
    color: var(--offline);
    background-color: rgba(var(--offline-rgb), 0.1);
    border-color: rgba(var(--offline-rgb), 0.27);
}
.onu-meta { border-top: 1px solid var(--border); }
.onu-meta span {
    display: block;
    color: var(--text-muted);
    font-size: 0.6875rem;
}
.onu-meta strong {
    display: block;
    margin-top: 2px;
    overflow-wrap: anywhere;
    font-size: 0.75rem;
}
.optical-table thead {
    color: var(--text);
    background: linear-gradient(90deg, rgba(var(--brand-rgb), 0.11), rgba(var(--accent-rgb), 0.08));
    border-bottom: 1px solid var(--border);
    font-size: 0.75rem;
    text-transform: uppercase;
}
.optical-table tbody tr + tr { border-top: 1px solid var(--border); }
.optical-table tbody tr:hover { background-color: rgba(var(--brand-rgb), 0.045); }
.rx-value.optical-ok { color: var(--success); }
.rx-value.optical-warning { color: var(--warning); }
.rx-value.optical-critical { color: var(--danger); }
.rx-value.optical-unknown { color: var(--text-muted); }
.optical-badge { border: 1px solid transparent; }
.optical-badge.optical-ok {
    color: var(--success);
    background-color: rgba(var(--success-rgb), 0.11);
    border-color: rgba(var(--success-rgb), 0.27);
}
.optical-badge.optical-warning {
    color: var(--warning);
    background-color: rgba(var(--warning-rgb), 0.11);
    border-color: rgba(var(--warning-rgb), 0.27);
}
.optical-badge.optical-critical {
    color: var(--danger);
    background-color: rgba(var(--danger-rgb), 0.1);
    border-color: rgba(var(--danger-rgb), 0.25);
}
.optical-badge.optical-unknown {
    color: var(--text-muted);
    background-color: rgba(var(--brand-rgb), 0.05);
    border-color: var(--border);
}

/* Network graph management + inspect/edit Cytoscape schematic. Cytoscape reads
   these same tokens at runtime, including again whenever the theme changes. */
.network-port-row {
    background-color: var(--surface-sunken);
    border: 1px solid var(--border);
}
.network-strand-chip {
    color: var(--text);
    background-color: var(--surface-raised);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}
/* Compact floating cluster, top-right INSIDE the canvas (see .network-diagram-stage,
   position:relative parent) rather than a full-width strip above it — the canvas
   keeps its full height and this floats on top with a translucent blurred backing
   so it stays readable over the diagram. Sized to its content (no left/right span). */
.network-canvas-toolbar {
    z-index: 8;
    max-width: 28rem;
    padding: 5px;
    color: var(--text);
    background-color: var(--surface-raised);
    background-color: color-mix(in srgb, var(--surface-raised) 94%, transparent);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    overflow-x: auto;
}
.network-canvas-toolbar.is-editing,
.network-diagram-shell.is-editing {
    border-color: rgba(var(--brand-rgb), 0.62);
    box-shadow: 0 0 0 2px rgba(var(--brand-rgb), 0.12), var(--shadow-md);
}
/* Icon-only primary controls (find/pan/fit/refresh/edit). One shared base
   so every control in the cluster matches; .network-hand-active and
   .network-edit-toggle-active layer the brand-accent "on" state on top. */
.network-toolbar-btn {
    display: inline-flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    height: 28px;
    width: 28px;
    color: var(--text-muted);
    background-color: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    transition: background-color 150ms ease-in-out, color 150ms ease-in-out, border-color 150ms ease-in-out;
}
.network-toolbar-btn:hover {
    color: var(--text);
    background-color: rgba(var(--brand-rgb), 0.08);
}
.network-toolbar-btn:focus-visible {
    outline: 2px solid var(--ring);
    outline-offset: 2px;
}
.network-toolbar-btn[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
}
.network-toolbar-btn-label {
    width: auto;
    padding: 0 10px;
    font-size: 12px;
    font-weight: 700;
}
.network-toolbar-divider {
    width: 1px;
    height: 20px;
    background-color: var(--border);
    flex-shrink: 0;
}
/* Pencil + add-device/add-cable/connect, always visible together; the
   three tool buttons carry a real disabled attribute (not just dimmed
   styling) until edit mode is on, so a click genuinely does nothing —
   .network-toolbar-btn[disabled] already supplies the muted look and
   not-allowed cursor per-button. This wrapper just extends the
   not-allowed cursor to the gaps between icons so the whole group reads
   as one inactive cluster, not three separately-disabled buttons. */
.network-edit-tool-group.is-disabled {
    cursor: not-allowed;
}
.network-hand-active {
    color: var(--brand-contrast);
    background-color: var(--accent);
    border: 1px solid var(--accent);
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.14);
}
.network-canvas-message {
    color: var(--text-muted);
}
.network-edit-toggle-active {
    color: var(--brand-contrast);
    background-color: var(--brand);
    border: 1px solid var(--brand);
    box-shadow: 0 0 0 3px rgba(var(--brand-rgb), 0.13);
}
.network-edit-actions {
    color: var(--text);
    background: linear-gradient(90deg, rgba(var(--brand-rgb), 0.1), rgba(var(--accent-rgb), 0.07));
    border: 1px solid rgba(var(--brand-rgb), 0.24);
}
.network-diagram-shell {
    display: flex;
    flex-direction: column;
    height: min(70vh, 680px);
    min-height: 520px;
    background-color: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}
.network-diagram-stage {
    flex: 1 1 auto;
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 520px;
    overflow: hidden;
    background-color: var(--surface-sunken);
    background-image:
        linear-gradient(rgba(var(--brand-rgb), 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(var(--brand-rgb), 0.045) 1px, transparent 1px);
    background-size: 24px 24px;
}
.network-diagram-stage.is-editing {
    cursor: crosshair;
}
.network-diagram-stage.is-navigating:not(.is-editing) {
    cursor: grab;
}
.network-diagram-stage.is-navigating:not(.is-editing):active {
    cursor: grabbing;
}
.network-diagram-stage.is-editing::after {
    content: "EDIT MODE";
    position: absolute;
    left: 12px;
    bottom: 12px;
    z-index: 1;
    padding: 4px 8px;
    color: var(--brand);
    background-color: var(--surface-raised);
    border: 1px solid rgba(var(--brand-rgb), 0.36);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.12em;
    pointer-events: none;
}
.network-diagram-canvas {
    position: absolute;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    min-height: 0;
}
/* Native fullscreen and the iOS fallback resize the actual JointJS paper
   container, so the full viewport remains usable with no footer-sized strip. */
.network-diagram-stage:fullscreen,
.network-diagram-stage-fullscreen {
    min-height: 100vh;
    height: 100vh;
    overflow: hidden;
}
.network-diagram-stage:fullscreen .network-diagram-canvas,
.network-diagram-stage-fullscreen .network-diagram-canvas {
    height: 100vh;
    min-height: 100vh;
    max-height: none;
}
.network-diagram-loading {
    z-index: 2;
    background-color: rgba(var(--brand-rgb), 0.045);
    backdrop-filter: blur(2px);
}
.network-diagram-canvas .joint-paper,
.network-diagram-canvas .joint-paper > svg {
    display: block;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: transparent;
}
.network-diagram-canvas .joint-element {
    cursor: pointer;
}
.network-diagram-canvas .joint-element [joint-selector="body"] {
    filter: var(--network-node-shadow);
}
.network-diagram-canvas .network-device-type-icon {
    vector-effect: non-scaling-stroke;
    opacity: 0.96;
}
.network-diagram-stage.is-editing .network-diagram-canvas .joint-element {
    cursor: move;
}
.network-diagram-canvas .joint-port-body {
    vector-effect: non-scaling-stroke;
    transition: fill 120ms ease, stroke-width 120ms ease;
}
.network-diagram-stage.is-editing .network-diagram-canvas .joint-port-body {
    cursor: crosshair;
}
.network-diagram-canvas .joint-port-body:hover {
    stroke-width: 3;
}
.network-diagram-canvas .joint-link .connection-wrap,
.network-diagram-canvas .joint-link .joint-link-wrapper {
    cursor: pointer;
}
.network-layout-toast {
    z-index: 13;
    color: var(--success);
    background-color: var(--surface-raised);
    border: 1px solid rgba(var(--success-rgb), 0.35);
    box-shadow: var(--shadow-lg);
}
.network-canvas-toast {
    z-index: 21;
    color: var(--text);
    background-color: var(--surface-raised);
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-lg);
    white-space: nowrap;
}
.network-port-draw-line {
    z-index: 19;
}
.network-port-draw-line line {
    stroke: var(--brand);
    stroke-width: 2;
    stroke-dasharray: 5 4;
}
.network-device-resize-handle {
    z-index: 12;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    color: var(--brand-contrast);
    background-color: var(--brand);
    border: 3px solid var(--surface-raised);
    border-radius: 0.55rem;
    box-shadow: 0 0 0 2px rgba(var(--brand-rgb), 0.38), var(--shadow-md);
    transform: translate(-50%, -50%);
    cursor: nwse-resize;
    touch-action: none;
}
.network-device-resize-handle:active { cursor: nwse-resize; }
.network-device-resize-handle:focus-visible {
    outline: 2px solid var(--ring);
    outline-offset: 3px;
}
/* Shared crud-panel rendered compact + in-canvas when opened from the
   diagram tab (Add device/Add cable), instead of the half-page slide-over
   used by the Devices/Cables/Connections management tabs. Same visual
   recipe as .network-diagram-popover/.network-connect-panel so all
   in-canvas surfaces read as one family. */
.network-canvas-formcard {
    z-index: 20;
    max-height: calc(100vh - 32px);
    color: var(--text);
    background-color: var(--surface-raised);
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}
.network-panel-drag-handle {
    cursor: move;
    cursor: grab;
    user-select: none;
    touch-action: none;
}
.network-panel-drag-handle:active { cursor: grabbing; }
.network-panel-drag-handle button,
.network-panel-drag-handle input,
.network-panel-drag-handle select,
.network-panel-drag-handle textarea,
.network-panel-drag-handle a { cursor: pointer; }
/* Fullscreen fallback for browsers without element.requestFullscreen()
   (notably iOS Safari) — a maximized fixed overlay standing in for the
   real Fullscreen API used everywhere else. */
.network-diagram-stage-fullscreen {
    position: fixed;
    inset: 0;
    z-index: 60;
    width: 100vw;
    height: 100vh;
}
.network-connect-endpoint {
    min-width: 0;
    background-color: var(--surface-sunken);
    border: 1px solid var(--border);
}
.network-diagram-popover {
    position: absolute;
    z-index: 10;
    max-width: calc(100% - 24px);
    max-height: calc(100% - 24px);
    color: var(--text);
    background-color: var(--surface-raised);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}
.network-diagram-popover.is-dragged .network-popover-arrow { display: none; }
.network-popover-scroll {
    max-height: min(68vh, 540px, var(--popover-max-height, 540px));
    overflow-y: auto;
    overscroll-behavior: contain;
}
/* Thin, subtle scrollbar for every in-canvas scrolling surface — never the
   browser's default wide/opaque scrollbar. Shown only while actually
   scrollable (overflow-y:auto on each), not an always-on rail. */
.network-canvas-scroll,
.network-popover-scroll {
    scrollbar-width: thin;
    scrollbar-color: rgba(var(--brand-rgb), 0.35) transparent;
}
.network-canvas-scroll::-webkit-scrollbar,
.network-popover-scroll::-webkit-scrollbar {
    width: 6px;
}
.network-canvas-scroll::-webkit-scrollbar-track,
.network-popover-scroll::-webkit-scrollbar-track {
    background: transparent;
}
.network-canvas-scroll::-webkit-scrollbar-thumb,
.network-popover-scroll::-webkit-scrollbar-thumb {
    background-color: rgba(var(--brand-rgb), 0.35);
    border-radius: 999px;
}
.network-popover-arrow {
    position: absolute;
    z-index: -1;
    width: 14px;
    height: 14px;
    background-color: var(--surface-raised);
    transform: rotate(45deg);
}
.network-diagram-popover.placement-bottom .network-popover-arrow {
    top: -8px;
    left: calc(var(--popover-arrow-x) - 7px);
    border-top: 1px solid var(--border-strong);
    border-left: 1px solid var(--border-strong);
}
.network-diagram-popover.placement-top .network-popover-arrow {
    bottom: -8px;
    left: calc(var(--popover-arrow-x) - 7px);
    border-right: 1px solid var(--border-strong);
    border-bottom: 1px solid var(--border-strong);
}
.network-diagram-popover.placement-right .network-popover-arrow {
    left: -8px;
    top: calc(var(--popover-arrow-y) - 7px);
    border-left: 1px solid var(--border-strong);
    border-bottom: 1px solid var(--border-strong);
}
.network-diagram-popover.placement-left .network-popover-arrow {
    right: -8px;
    top: calc(var(--popover-arrow-y) - 7px);
    border-top: 1px solid var(--border-strong);
    border-right: 1px solid var(--border-strong);
}
.network-diagram-popover.is-mobile {
    border-radius: var(--radius-xl) var(--radius-xl) var(--radius-sm) var(--radius-sm);
}
.network-diagram-popover.is-mobile .network-popover-arrow {
    display: none;
}
.network-detail-list dt {
    color: var(--text-muted);
}
.network-detail-list dd {
    min-width: 0;
    overflow-wrap: anywhere;
    font-weight: 600;
    text-align: right;
}
.network-detail-section {
    background-color: var(--surface-sunken);
    border: 1px solid var(--border);
}
.network-detail-port {
    border-color: var(--border);
}
.network-diagram-popover .border-t { border-color: var(--border); }
.diagram-rx-ok { color: var(--success); }
.diagram-rx-warning { color: var(--warning); }
.diagram-rx-critical { color: var(--danger); }
.diagram-rx-offline { color: var(--offline); }
.network-diagram-legend {
    background-color: var(--surface-raised);
    border: 1px solid var(--border);
}
.network-diagram-legend > span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.network-diagram-legend .text-main { color: var(--text); }
.legend-node,
.legend-status,
.legend-line {
    margin-right: 6px;
}
.legend-node,
.legend-status {
    display: inline-block;
    width: 12px;
    height: 12px;
    flex: 0 0 auto;
    background-color: var(--surface-raised);
    border: 2px solid var(--border-strong);
}
.legend-node { border-radius: 3px; }
.legend-olt { width: 17px; background-color: var(--brand); border-color: var(--brand); }
.legend-router { background-color: var(--accent); border-color: var(--brand); clip-path: polygon(25% 0,75% 0,100% 50%,75% 100%,25% 100%,0 50%); }
.legend-bts { background-color: var(--warning); border-color: var(--warning); clip-path: polygon(50% 0,100% 100%,0 100%); border-radius: 0; }
.legend-switch { background-color: var(--accent); border-color: var(--accent); border-radius: 0; }
.legend-splitter { background-color: var(--accent); border-color: var(--accent); border-radius: 0; transform: rotate(45deg) scale(.76); }
.legend-box { width: 17px; border-color: var(--accent); border-radius: 5px; }
.legend-onu { background-color: var(--offline); border-color: var(--offline); border-radius: 999px; }
.legend-status { border: 0; border-radius: 999px; }
.legend-status.status-ok { background-color: var(--success); }
.legend-status.status-warning { background-color: var(--warning); }
.legend-status.status-critical { background-color: var(--danger); }
.legend-status.status-offline { background-color: var(--offline); }
.fault-card { border-left: 3px solid var(--warning); }
.fault-card.fault-critical { border-left-color: var(--danger); }
.fault-card.fault-warning { border-left-color: var(--warning); }
.network-strand-editor .network-strand-chip { background: var(--surface-sunken); }
.legend-line {
    display: inline-block;
    width: 22px;
    height: 0;
    border-top: 2px solid var(--brand);
}
.legend-line.line-splice { border-top-style: dashed; }
.legend-line.line-drop { border-top-style: dotted; }
.legend-divider {
    width: 1px;
    height: 18px;
    background-color: var(--border);
}
@media (max-width: 639px) {
    /* The floating cluster stays compact/top-right on mobile too. Only when
       Find is tapped open does it become a full-width overlay, since a
       fixed narrow search field is too cramped on a phone. */
    .network-canvas-toolbar.network-toolbar-search-open {
        left: 8px;
        right: 8px;
        max-width: none;
    }
    .network-popover-scroll {
        max-height: min(62vh, 460px);
    }
}

/* Dense operations rhythm. Component classes intentionally override page-level
   utility padding so the same compact cadence propagates across the app. */
.dashboard-body {
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.45;
}
.dashboard-body .content-card,
.dashboard-body .stat-card,
.dashboard-body .customer-card,
.dashboard-body .service-card,
.dashboard-body .onu-card,
.dashboard-body .olt-card,
.dashboard-body .expiry-group {
    border-radius: var(--radius-lg);
}
.dashboard-body .content-card:not(.overflow-hidden):not(.compact-filter-bar),
.dashboard-body .stat-card,
.dashboard-body .service-card,
.dashboard-body .onu-card {
    padding: var(--panel-padding);
}
.compact-filter-bar {
    background-color: var(--surface-raised);
    box-shadow: var(--shadow-md);
}
.compact-filter-bar .input {
    min-height: 36px;
}
.dashboard-body h1,
.dashboard-body h2,
.dashboard-body h3 {
    letter-spacing: -0.015em;
}
.nav-section-label,
.eyebrow {
    letter-spacing: 0.09em;
}
.monitor-summary > div {
    padding: 10px 8px;
}
.monitor-summary strong {
    font-size: 1.3rem;
}

@media (min-width: 768px) {
    .topbar,
    .sidebar-brand {
        height: 3.75rem;
    }
    .desktop-sidebar nav {
        padding-top: 0.625rem;
        padding-bottom: 0.625rem;
    }
    .nav-link {
        padding-top: 0.48rem;
        padding-bottom: 0.48rem;
    }
    .nav-child-link { padding-top: 0.32rem; padding-bottom: 0.32rem; }
    .customer-table th,
    .customer-table td,
    .optical-table th,
    .optical-table td {
        padding-top: 0.62rem !important;
        padding-bottom: 0.62rem !important;
    }
    .dashboard-body input.input:not([type="file"]),
    .dashboard-body select.input {
        height: var(--control-height);
        padding-top: 0.45rem;
        padding-bottom: 0.45rem;
    }
    .dashboard-body .btn-brand,
    .dashboard-body .btn-secondary,
    .dashboard-body .btn-danger-soft {
        min-height: var(--control-height);
    }
}

@media (prefers-reduced-motion: reduce) {
    .btn-secondary,
    .customer-card,
    .customer-row,
    .loading-dot {
        animation: none;
        transition: none;
    }
}
