/* =====================================================================
   Proteus Fleet Center — project stylesheet
   Loaded after Bootstrap so all rules here cascade last.
   ===================================================================== */


/* --- (a) Design tokens ---------------------------------------------- */

:root {
    --prot-accent: #4dd0e1;
    --prot-accent-soft: rgba(77, 208, 225, 0.18);
    --prot-sunset: #f8542d;           /* warm sunset orange — used for attention/maintenance cues */
    --prot-sunset-soft: rgba(255, 140, 66, 0.18);
    --prot-bg-page: #080d17;          /* deepest: body / recessed background */
    --prot-bg-navy: #0b1220;          /* elevated surface: navbar, footer, main panel */
    --prot-bg-navy-soft: #131c2b;     /* one step up: active row */
    --prot-bg-navy-hover: #182338;    /* hover state */
    --prot-text-muted-accent: #7fb8c2;
    --prot-divider: rgba(77, 208, 225, 0.22);
    --prot-text-primary: #d6e0ee;     /* body/panel text */
    --prot-text-strong: #eaf6f8;      /* hover / emphasis */
    --prot-text-secondary: #8a95a5;   /* muted */
    --prot-text-dim: #6b7a8f;         /* dimmest labels */
}

/* Light theme override: only invert the surface + text tokens for now.
   Brand tokens (--prot-accent, --prot-sunset) and semantic tokens
   (success green, logout rose, schematic ink) stay unchanged — they get
   dedicated tokens in Phase B. */
:root[data-bs-theme="light"] {
    --prot-bg-page: #f4f6fa;
    --prot-bg-navy: #ffffff;
    --prot-bg-navy-soft: #eef2f7;
    --prot-bg-navy-hover: #e0e6ee;
    --prot-text-muted-accent: #4a7280;
    --prot-divider: rgba(31, 87, 100, 0.18);
    --prot-text-primary: #1a2837;
    --prot-text-strong: #0a1220;
    --prot-text-secondary: #5a6b80;
    --prot-text-dim: #6b7a8f;
}


/* --- (b) Legacy .prot-* classes (migrated from head.html) ----------- */

.prot-boat-badge {
    width: 20px;
    height: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.prot-circle {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.prot-control-fixed-size {
    width: 120px;
    height: 36px;
}

.prot-control-reduced-size {
    width: 100px;
    height: 36px;
}

.prot-table-dark tbody td {
    color: #e0e0e0;
}


/* --- (c) Redesign: navbar ------------------------------------------- */

.prot-navbar {
    background-color: var(--prot-bg-navy);
    border-bottom: 1px solid var(--prot-divider);
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.prot-navbar .navbar-brand {
    color: var(--prot-text-strong);
    letter-spacing: 0.02em;
}

.prot-navbar .nav-link {
    color: var(--prot-text-primary);
    padding-top: 0.35rem;
    padding-bottom: 0.35rem;
    border-bottom: 2px solid transparent;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.prot-navbar .nav-link:hover {
    color: var(--prot-text-strong);
}

.prot-navbar .nav-link.active {
    color: var(--prot-accent);
    background-color: transparent;
    border-bottom-color: var(--prot-accent);
}

.prot-navbar .navbar-text {
    color: var(--prot-text-secondary);
}

.prot-navbar .navbar-text strong {
    color: var(--prot-text-strong);
}

/* Logout button (styled like the pill in reference-3 — soft muted rose so
   it reads as "session-end" without shouting like a destructive action). */
.prot-logout-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.85rem;
    background-color: rgba(201, 123, 123, 0.15);
    color: #e69a9a;
    border: 1px solid rgba(201, 123, 123, 0.45);
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background-color 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}

.prot-logout-btn:hover,
.prot-logout-btn:focus {
    background-color: #c97b7b;
    color: #1a0505;
    border-color: #c97b7b;
}


/* --- (c) Redesign: page shell --------------------------------------- */

.prot-page-dark {
    background-color: var(--prot-bg-navy);
    color: var(--prot-text-primary);
    min-height: calc(100vh - 60px);
}

/* Paint the body FULL BLACK on any page that opts into .prot-page-dark.
   The .prot-page-dark main container stays --prot-bg-navy (a shade lighter),
   so UI elements sit "elevated" on the darker recessed background.
   !important is required because Bootstrap's .bg-body-secondary utility
   on <body> (set in base.peb) uses !important on its background-color. */
body:has(.prot-page-dark) {
    background-color: var(--prot-bg-page) !important;
}


/* --- (c) Redesign: sidebar ------------------------------------------ */

.prot-sidebar-heading {
    color: var(--prot-text-muted-accent);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin: 0.75rem 0 0.5rem;
    padding-bottom: 0.35rem;
    border-bottom: 1px solid var(--prot-divider);
}

.prot-sidebar-section {
    color: var(--prot-text-muted-accent);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin: 0.9rem 0 0.35rem;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
}

.prot-sidebar-section-count {
    color: var(--prot-text-secondary);
    font-weight: 500;
}

.prot-vessel-row {
    display: flex;
    align-items: center;
    padding: 0.35rem 0.6rem;
    margin-bottom: 2px;
    border-left: 2px solid transparent;
    color: var(--prot-text-primary);
    text-decoration: none;
    border-radius: 2px;
    transition: background-color 0.12s ease, border-color 0.12s ease;
}

.prot-vessel-row:hover {
    background-color: var(--prot-bg-navy-hover);
    color: var(--prot-text-strong);
}

.prot-vessel-row-active {
    background-color: var(--prot-bg-navy-soft);
    border-left-color: var(--prot-accent);
}

.prot-vessel-row-active .prot-vessel-id {
    color: var(--prot-accent);
}

.prot-vessel-id {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-weight: 600;
    font-size: 0.95rem;
}

.prot-vessel-version {
    color: var(--prot-text-muted-accent);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.75rem;
}

.prot-tools-icon {
    color: var(--prot-sunset);
}


/* --- (c) Redesign: vertical divider between sidebar and main ------- */

.prot-vessel-divider {
    border-left: 1px solid var(--prot-divider);
}


/* --- (c) Redesign: footer (colors only, layout stays Bootstrap) ---- */

.prot-footer {
    background-color: var(--prot-bg-navy) !important;
    color: var(--prot-text-dim) !important;
    border-top-color: var(--prot-divider) !important;
}

.prot-footer-year {
    color: var(--prot-accent);
}


/* --- (c) Redesign: login page -------------------------------------- */

.prot-login-body {
    background-color: var(--prot-bg-page) !important;
    color: var(--prot-text-primary);
    min-height: 100vh;
}

.prot-login-card {
    width: 22rem;
    background-color: var(--prot-bg-navy);
    border: 1px solid var(--prot-divider);
    border-radius: 6px;
    padding: 2rem 1.75rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
}

.prot-login-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    color: var(--prot-text-muted-accent);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-size: 0.85rem;
    padding-bottom: 1rem;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--prot-divider);
}

.prot-login-title {
    text-align: center;
    color: var(--prot-accent);
    margin-bottom: 1.25rem;
    letter-spacing: 0.04em;
}

.prot-login-body .form-label {
    color: var(--prot-text-muted-accent);
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    margin-bottom: 0.35rem;
}

.prot-login-body .form-control {
    background-color: var(--prot-bg-navy-soft);
    border-color: var(--prot-divider);
    color: var(--prot-text-strong);
}

.prot-login-body .form-control:focus {
    background-color: var(--prot-bg-navy-hover);
    border-color: var(--prot-accent);
    color: var(--prot-text-strong);
    box-shadow: 0 0 0 0.2rem var(--prot-accent-soft);
}

.prot-login-submit {
    background-color: var(--prot-accent);
    color: #001519;
    border: 1px solid var(--prot-accent);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.prot-login-submit:hover,
.prot-login-submit:focus {
    background-color: #66d9e8;
    border-color: #66d9e8;
    color: #001519;
}


/* --- (c) Redesign: Phase 2 — boat details pane --------------------- */

/* Generic panel used for every card in the details pane. */
.prot-panel {
    background-color: var(--prot-bg-navy-soft);
    border: 1px solid var(--prot-divider);
    border-radius: 6px;
    padding: 0;
    margin-bottom: 1rem;
    color: var(--prot-text-primary);
}

.prot-panel-heading {
    color: var(--prot-text-muted-accent);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    padding: 0.6rem 1rem;
    border-bottom: 1px solid var(--prot-divider);
}

.prot-panel-body {
    padding: 0.9rem 1rem;
}

/* Title bar row above the middle section. */
.prot-boat-titlebar {
    padding: 1rem 0.25rem 0.5rem;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid var(--prot-divider);
}

.prot-boat-title {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin: 0;
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--prot-text-muted-accent);
}

.prot-boat-title-id {
    color: var(--prot-accent);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

.prot-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.15rem 0.6rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border: 1px solid transparent;
}

.prot-status-pill-online {
    color: #7ee787;
    background-color: rgba(126, 231, 135, 0.12);
    border-color: rgba(126, 231, 135, 0.4);
}

.prot-status-pill-online::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #7ee787;
}

.prot-attached-to {
    color: var(--prot-text-secondary);
    font-size: 0.85rem;
    margin-top: 0.35rem;
}

.prot-attached-to-value {
    color: var(--prot-text-primary);
}

.prot-model-tag {
    color: var(--prot-text-muted-accent);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    margin-right: 0.9rem;
    white-space: nowrap;
}

/* Action buttons (SHUTDOWN / RECALL / UPDATE). */
.prot-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.85rem;
    background-color: var(--prot-bg-navy);
    color: var(--prot-text-primary);
    border: 1px solid var(--prot-divider);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.prot-action-btn:hover,
.prot-action-btn:focus {
    background-color: var(--prot-bg-navy-hover);
    border-color: var(--prot-accent);
    color: var(--prot-text-strong);
}

.prot-action-btn-danger {
    background-color: var(--prot-sunset);
    border-color: var(--prot-sunset);
    color: #1a0a00;
}

.prot-action-btn-danger:hover,
.prot-action-btn-danger:focus {
    background-color: #ffa872;
    border-color: #ffa872;
    color: #1a0a00;
}

/* Schematic panel: keeps the SVG on a dark background. */
.prot-schematic-frame {
    background-color: #05080f;
    border-radius: 4px;
    padding: 0.75rem;
    position: relative;
    display: block;
}

.prot-schematic-frame img {
    width: 100%;
    height: auto;
    display: block;
    filter: brightness(0.85) contrast(1.05);
}

.prot-schematic-overlay-text {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 22px;
    font-weight: 600;
}

.prot-schematic-overlay-speed {
    fill: var(--prot-accent);
}

.prot-schematic-overlay-battery {
    fill: #7ee787;
}

.prot-schematic-overlay-line {
    stroke: var(--prot-divider);
    stroke-width: 1.5;
}

.prot-schematic-overlay-dot {
    fill: var(--prot-accent);
}

/* Key/value row inside telemetry / energy panels. */
.prot-telemetry-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    padding: 0.35rem 0;
    border-bottom: 1px dashed rgba(77, 208, 225, 0.1);
}

.prot-telemetry-row:last-child {
    border-bottom: none;
}

.prot-telemetry-key {
    color: var(--prot-text-muted-accent);
    font-size: 0.85rem;
}

.prot-telemetry-value {
    color: var(--prot-accent);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Compact grid used by ENERGY STORAGE OVERVIEW for two battery blocks. */
.prot-energy-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.prot-energy-cell {
    background-color: var(--prot-bg-navy);
    border: 1px solid var(--prot-divider);
    border-radius: 4px;
    padding: 0.6rem 0.75rem;
}

.prot-energy-cell-label {
    color: var(--prot-text-muted-accent);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.25rem;
}

.prot-energy-cell-value {
    color: var(--prot-accent);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 1.2rem;
    font-weight: 600;
}

/* Cam+telemetry combined panel: image fills the top edge-to-edge, telemetry
   rows follow directly below within the same panel frame. */
.prot-cam-panel {
    padding: 0;
    overflow: hidden;
}

.prot-cam-image {
    display: block;
    width: 100%;
    height: auto;
}

/* Divider between the image and whatever section follows it inside the panel. */
.prot-cam-image + .prot-panel-heading {
    border-top: 1px solid var(--prot-divider);
}

/* Live cam placeholder (unused now that .prot-cam-image is in place, kept
   for possible offline-signal fallback). */
.prot-cam-placeholder {
    background: linear-gradient(135deg, #0f1a2b 0%, #050810 100%);
    border-radius: 4px;
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--prot-text-muted-accent);
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    gap: 0.35rem;
    position: relative;
    overflow: hidden;
}

.prot-cam-placeholder::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(
            transparent 0,
            transparent 3px,
            rgba(77, 208, 225, 0.03) 3px,
            rgba(77, 208, 225, 0.03) 4px
        );
    pointer-events: none;
}

/* Comms Link row inside its own small panel. */
.prot-comms-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
}

.prot-comms-status {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: #7ee787;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* Critical events list. */
.prot-critical-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.55rem 0;
    border-bottom: 1px dashed rgba(77, 208, 225, 0.1);
}

.prot-critical-item:last-child {
    border-bottom: none;
}

.prot-critical-item-icon {
    font-size: 1.1rem;
    width: 1.4rem;
    display: inline-flex;
    justify-content: center;
    flex-shrink: 0;
}

.prot-critical-item-icon-warn { color: var(--prot-sunset); }
.prot-critical-item-icon-info { color: var(--prot-accent); }
.prot-critical-item-icon-ok   { color: #7ee787; }

.prot-critical-item-text {
    flex: 1;
    color: var(--prot-text-primary);
    font-size: 0.9rem;
}

.prot-critical-item-time {
    color: var(--prot-text-muted-accent);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.75rem;
}

/* Terminal-style log panel (full width). */
.prot-log-panel .prot-panel-body {
    background-color: #05080f;
    max-height: 20rem;
    overflow-y: auto;
    padding: 0.6rem 1rem;
    border-bottom-left-radius: 6px;
    border-bottom-right-radius: 6px;
}

.prot-log-line {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.8rem;
    line-height: 1.5;
    color: #a8b3c3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.prot-log-timestamp {
    color: var(--prot-accent);
    margin-right: 0.5rem;
}

.prot-log-line-warn {
    color: var(--prot-sunset);
}


/* --- (d) Redesign: Phase 3 — Fleet Dashboard ----------------------- */

/* Page-level heading above the KPI row: reuses the panel-heading look
   but without a panel wrapper, so the horizontal rule sits flush with
   the pane's top. */
.prot-dashboard-heading {
    padding: 1rem 0 0.5rem;
    border-bottom: 1px solid var(--prot-divider);
    margin-bottom: 1rem;
    font-size: 0.8rem;
    letter-spacing: 0.16em;
}

/* KPI tile — same visual family as .prot-panel with vertically stacked
   label + value + sublabel, min-height so all four tiles line up. */
.prot-kpi-card {
    background-color: var(--prot-bg-navy-soft);
    border: 1px solid var(--prot-divider);
    border-radius: 6px;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.prot-kpi-label {
    color: var(--prot-text-muted-accent);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
}

.prot-kpi-value {
    color: var(--prot-accent);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
}

.prot-kpi-value-alert {
    color: var(--prot-sunset);
}

.prot-kpi-sublabel {
    color: var(--prot-text-dim);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-top: 0.35rem;
}

/* Vessel Status Overview table — dark theme reskin of a native <table>. */
.prot-fleet-table {
    width: 100%;
    border-collapse: collapse;
    color: var(--prot-text-primary);
    font-size: 0.85rem;
}

.prot-fleet-table thead th {
    color: var(--prot-text-muted-accent);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    padding: 0.4rem 0.75rem;
    border-bottom: 1px solid var(--prot-divider);
    text-align: left;
}

.prot-fleet-table tbody td {
    padding: 0.55rem 0.75rem;
    border-bottom: 1px dashed rgba(77, 208, 225, 0.1);
    vertical-align: middle;
}

.prot-fleet-table tbody tr {
    cursor: pointer;
    transition: background-color 0.12s ease;
}

.prot-fleet-table tbody tr:hover {
    background-color: var(--prot-bg-navy-hover);
}

.prot-fleet-table tbody tr:last-child td {
    border-bottom: none;
}

.prot-fleet-cell-id {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-weight: 600;
    color: var(--prot-accent);
}

.prot-fleet-cell-version {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.8rem;
    color: var(--prot-text-muted-accent);
}

.prot-fleet-status-badge {
    display: inline-block;
    padding: 0.1rem 0.55rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border: 1px solid transparent;
}

.prot-fleet-status-badge-online {
    color: #7ee787;
    background-color: rgba(126, 231, 135, 0.12);
    border-color: rgba(126, 231, 135, 0.4);
}

.prot-fleet-status-badge-offline {
    color: var(--prot-text-secondary);
    background-color: rgba(138, 149, 165, 0.1);
    border-color: rgba(138, 149, 165, 0.35);
}

/* Fleet Map — Leaflet-rendered map with CartoDB base + OpenSeaMap overlay.
   Panel wraps the canvas; overflow: hidden clips the corners to match the
   panel's border-radius. */
.prot-map-panel {
    overflow: hidden;
}

.prot-map-canvas {
    aspect-ratio: 4 / 3;
    width: 100%;
    background-color: var(--prot-bg-navy);
}

/* Full-viewport map canvas for /fleet/dashboard?mode=map. Fills its
   positioned wrapper edge-to-edge; the wrapper subtracts navbar + footer. */
.prot-map-fullscreen-wrap {
    position: relative;
    width: 100%;
    height: calc(100vh - 120px);
    min-height: 400px;
}

.prot-map-canvas-full {
    width: 100%;
    height: 100%;
    background-color: var(--prot-bg-navy);
}

/* Expand-to-full-map icon on the minimap panel heading. */
.prot-map-expand-btn {
    color: var(--prot-text-muted-accent);
    text-decoration: none;
    font-size: 0.9rem;
}

.prot-map-expand-btn:hover,
.prot-map-expand-btn:focus {
    color: var(--prot-accent);
}

/* Segmented Table | Map switcher — active option highlighted. Used inline
   in the dashboard heading and floating on top of the full-map view. */
.prot-mode-switcher {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 3px;
    background-color: var(--prot-bg-navy-soft);
    border-radius: 999px;
}

.prot-mode-switcher-float {
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 500;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}

/* Centered variant for inline use inside the dashboard heading — sits
   absolutely in the middle of the row so it doesn't shift when the title
   text width changes across locales. */
.prot-mode-switcher-heading-center {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.prot-mode-switcher-opt {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.85rem;
    color: var(--prot-text-secondary);
    text-decoration: none;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: 999px;
    transition: color 0.12s ease, background-color 0.12s ease;
}

.prot-mode-switcher-opt:hover,
.prot-mode-switcher-opt:focus {
    color: var(--prot-text-strong);
}

.prot-mode-switcher-opt-active {
    background-color: var(--prot-bg-navy-hover);
    color: var(--prot-text-strong);
    cursor: default;
}

.prot-mode-switcher-opt-active:hover,
.prot-mode-switcher-opt-active:focus {
    color: var(--prot-text-strong);
}

/* Leaflet's default container bg is #ddd — flash before tiles load. Match
   the panel surface so the loading blip is invisible. */
.leaflet-container {
    background-color: var(--prot-bg-navy);
    font-family: inherit;
}


/* --- (e) Dark cascade for other pages -------------------------------
   Applied automatically to Bootstrap widgets under a .prot-page-dark
   container, so admin/logs/json/system/settings/database/todo pick up
   the theme by adding a single class to their <main>. Login uses its
   own .prot-login-body scope and is unaffected. Fleet-page overrides
   already defined above cascade last-wins per usual specificity. */

/* Section headers used across admin/system pages. */
.prot-page-dark .display-6 {
    color: var(--prot-text-muted-accent);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--prot-divider);
}

.prot-page-dark h1, .prot-page-dark h2, .prot-page-dark h3,
.prot-page-dark h4, .prot-page-dark h5, .prot-page-dark h6,
.prot-page-dark .h1, .prot-page-dark .h2, .prot-page-dark .h3,
.prot-page-dark .h4, .prot-page-dark .h5, .prot-page-dark .h6 {
    color: var(--prot-text-muted-accent);
}

/* Cards (used for admin forms, settings pane, etc.) */
.prot-page-dark .card {
    background-color: var(--prot-bg-navy-soft);
    border: 1px solid var(--prot-divider);
    color: var(--prot-text-primary);
}

.prot-page-dark .card-body {
    color: var(--prot-text-primary);
}

/* Form controls */
.prot-page-dark .form-control,
.prot-page-dark .form-select {
    background-color: var(--prot-bg-navy);
    border-color: var(--prot-divider);
    color: var(--prot-text-strong);
}

.prot-page-dark .form-control:focus,
.prot-page-dark .form-select:focus {
    background-color: var(--prot-bg-navy-hover);
    border-color: var(--prot-accent);
    color: var(--prot-text-strong);
    box-shadow: 0 0 0 0.2rem var(--prot-accent-soft);
}

.prot-page-dark .form-control::placeholder {
    color: var(--prot-text-dim);
}

.prot-page-dark .form-control:disabled,
.prot-page-dark .form-control[readonly] {
    background-color: var(--prot-bg-page);
    color: var(--prot-text-dim);
}

.prot-page-dark .form-label {
    color: var(--prot-text-muted-accent);
    font-size: 0.85rem;
}

.prot-page-dark .form-check-input {
    background-color: var(--prot-bg-navy);
    border-color: var(--prot-divider);
}

.prot-page-dark .form-check-input:checked {
    background-color: var(--prot-accent);
    border-color: var(--prot-accent);
}

.prot-page-dark .form-check-label {
    color: var(--prot-text-primary);
}

.prot-page-dark .input-group-text {
    background-color: var(--prot-bg-navy);
    border-color: var(--prot-divider);
    color: var(--prot-text-muted-accent);
}

/* Buttons — align with the fleet palette. */
.prot-page-dark .btn-secondary {
    background-color: var(--prot-bg-navy);
    border-color: var(--prot-divider);
    color: var(--prot-text-primary);
}

.prot-page-dark .btn-secondary:hover,
.prot-page-dark .btn-secondary:focus {
    background-color: var(--prot-bg-navy-hover);
    border-color: var(--prot-accent);
    color: var(--prot-text-strong);
}

.prot-page-dark .btn-primary {
    background-color: var(--prot-accent);
    border-color: var(--prot-accent);
    color: #001519;
}

.prot-page-dark .btn-primary:hover,
.prot-page-dark .btn-primary:focus {
    background-color: #66d9e8;
    border-color: #66d9e8;
    color: #001519;
}

.prot-page-dark .btn-danger {
    background-color: var(--prot-sunset);
    border-color: var(--prot-sunset);
    color: #1a0a00;
}

.prot-page-dark .btn-danger:hover,
.prot-page-dark .btn-danger:focus {
    background-color: #ff7a5a;
    border-color: #ff7a5a;
    color: #1a0a00;
}

.prot-page-dark .btn-outline-primary {
    color: var(--prot-accent);
    border-color: var(--prot-accent);
    background-color: transparent;
}

.prot-page-dark .btn-outline-primary:hover,
.prot-page-dark .btn-outline-primary:focus {
    background-color: var(--prot-accent);
    color: #001519;
}

.prot-page-dark .btn-outline-success {
    color: #7ee787;
    border-color: rgba(126, 231, 135, 0.6);
    background-color: transparent;
}

.prot-page-dark .btn-outline-success:hover,
.prot-page-dark .btn-outline-success:focus {
    background-color: #7ee787;
    color: #003b0d;
    border-color: #7ee787;
}

.prot-page-dark .btn-outline-danger {
    color: var(--prot-sunset);
    border-color: var(--prot-sunset);
    background-color: transparent;
}

.prot-page-dark .btn-outline-danger:hover,
.prot-page-dark .btn-outline-danger:focus {
    background-color: var(--prot-sunset);
    color: #1a0a00;
}

.prot-page-dark .btn-outline-secondary {
    color: var(--prot-text-muted-accent);
    border-color: var(--prot-divider);
    background-color: transparent;
}

.prot-page-dark .btn-outline-secondary:hover,
.prot-page-dark .btn-outline-secondary:focus {
    background-color: var(--prot-bg-navy-hover);
    border-color: var(--prot-accent);
    color: var(--prot-text-strong);
}

/* Bootstrap tables (admin_users/admin_boats/logs_registry_table/json_registry_table). */
.prot-page-dark .table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--prot-text-primary);
    --bs-table-border-color: var(--prot-divider);
    --bs-table-striped-bg: rgba(77, 208, 225, 0.04);
    --bs-table-striped-color: var(--prot-text-primary);
    --bs-table-hover-bg: var(--prot-bg-navy-hover);
    --bs-table-hover-color: var(--prot-text-strong);
}

.prot-page-dark .table-dark {
    --bs-table-bg: var(--prot-bg-navy-soft);
    --bs-table-color: var(--prot-text-primary);
    --bs-table-border-color: var(--prot-divider);
    --bs-table-striped-bg: var(--prot-bg-navy);
    --bs-table-striped-color: var(--prot-text-primary);
    --bs-table-hover-bg: var(--prot-bg-navy-hover);
    --bs-table-hover-color: var(--prot-text-strong);
}

.prot-page-dark .table thead th,
.prot-page-dark .table-dark thead th {
    color: var(--prot-text-muted-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.72rem;
    font-weight: 600;
    background-color: var(--prot-bg-navy);
    border-bottom: 1px solid var(--prot-divider);
}

/* Alerts */
.prot-page-dark .alert-success {
    background-color: rgba(126, 231, 135, 0.14);
    border-color: rgba(126, 231, 135, 0.35);
    color: #7ee787;
}

.prot-page-dark .alert-danger {
    background-color: rgba(248, 84, 45, 0.14);
    border-color: rgba(248, 84, 45, 0.4);
    color: var(--prot-sunset);
}

/* Preformatted (database dump) */
.prot-page-dark pre {
    color: var(--prot-text-primary);
    background-color: var(--prot-bg-navy-soft);
    border: 1px solid var(--prot-divider);
    padding: 1rem;
    border-radius: 6px;
    max-height: 80vh;
    overflow: auto;
}

/* Bordered containers used in system_mqtt.peb */
.prot-page-dark .border,
.prot-page-dark .border-dark-subtle {
    border-color: var(--prot-divider) !important;
}

/* Divider column used in settings.html */
.prot-page-dark .border-start {
    border-color: var(--prot-divider) !important;
}

/* Tighten Bootstrap's default text-muted family colors that don't read
   well on the recessed background. */
.prot-page-dark .text-secondary { color: var(--prot-text-secondary) !important; }

/* Section-heading emphasis for h5/h6 used in todo.html + system stats. */
.prot-page-dark p.h6 {
    color: var(--prot-text-muted-accent);
}


/* --- (f) Theme toggle button (navbar) --- */

.prot-theme-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    background-color: var(--prot-accent-soft);
    color: var(--prot-accent);
    border: 1px solid rgba(77, 208, 225, 0.45);
    border-radius: 999px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}

.prot-theme-btn:hover,
.prot-theme-btn:focus {
    background-color: var(--prot-accent);
    color: #001519;
    border-color: var(--prot-accent);
}

.prot-locale-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 32px;
    padding: 0 0.5rem;
    background-color: var(--prot-accent-soft);
    color: var(--prot-accent);
    border: 1px solid rgba(77, 208, 225, 0.45);
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    cursor: pointer;
    transition: background-color 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}

.prot-locale-btn:hover,
.prot-locale-btn:focus {
    background-color: var(--prot-accent);
    color: #001519;
    border-color: var(--prot-accent);
}