/*
 * GLEN presentation layer
 * -----------------------
 * Deliberately loaded last and scoped to application-owned UI surfaces.
 * This file must not alter #map geometry, source/layer IDs, or MapLibre's
 * canvas lifecycle. Functional GIS and analysis styles remain in style.css.
 */

:root {
    --glen-ink: #173042;
    --glen-ink-soft: #4d6472;
    --glen-muted: #71828c;
    --glen-line: rgba(23, 48, 66, 0.12);
    --glen-line-strong: rgba(23, 48, 66, 0.2);
    --glen-surface: rgba(250, 252, 249, 0.88);
    --glen-surface-strong: rgba(255, 255, 253, 0.96);
    --glen-surface-soft: rgba(239, 245, 241, 0.82);
    --glen-accent: #e66a4e;
    --glen-accent-deep: #c94f37;
    --glen-accent-soft: rgba(230, 106, 78, 0.12);
    --glen-data: #256f86;
    --glen-data-soft: rgba(37, 111, 134, 0.11);
    --glen-success: #3d7d62;
    --glen-danger: #b94c4c;
    --glen-radius-sm: 8px;
    --glen-radius-md: 13px;
    --glen-radius-lg: 18px;
    --glen-shadow-panel: 0 18px 52px rgba(19, 39, 52, 0.18),
        0 2px 10px rgba(19, 39, 52, 0.08);
    --glen-shadow-float: 0 12px 32px rgba(19, 39, 52, 0.15),
        0 2px 8px rgba(19, 39, 52, 0.08);
    --glen-font: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont,
        "Segoe UI", sans-serif;
}

/* Copilot workspace ----------------------------------------------------- */

#chat-container {
    background:
        linear-gradient(180deg, rgba(255, 255, 253, 0.94), rgba(244, 248, 245, 0.86));
    -webkit-backdrop-filter: blur(22px) saturate(1.15);
    backdrop-filter: blur(22px) saturate(1.15);
    border: 0;
    border-right: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: 0 20px 20px 0;
    box-shadow: var(--glen-shadow-panel);
    color: var(--glen-ink);
    font-family: var(--glen-font);
    overflow: hidden;
}

#chat-container::after {
    content: "";
    position: absolute;
    top: 72px;
    right: 0;
    bottom: 72px;
    width: 1px;
    background: linear-gradient(
        180deg,
        transparent,
        rgba(230, 106, 78, 0.34) 28%,
        rgba(37, 111, 134, 0.3) 72%,
        transparent
    );
    pointer-events: none;
}

#chat-header {
    min-height: 48px;
    padding: 12px 16px 11px 18px;
    border-bottom: 1px solid var(--glen-line);
    background: rgba(255, 255, 253, 0.58);
}

#chat-header h3 {
    display: flex;
    align-items: center;
    gap: 9px;
    color: var(--glen-ink);
    font-size: 15px;
    font-weight: 720;
    letter-spacing: -0.015em;
}

#chat-header h3::before {
    content: "";
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--glen-accent);
    box-shadow: 0 0 0 4px var(--glen-accent-soft);
}

#chat-toggle {
    width: 30px;
    height: 30px;
    padding: 0;
    border: 1px solid transparent;
    border-radius: 9px;
    color: var(--glen-muted);
    font-size: 18px;
    transition: color 140ms ease, background 140ms ease, border-color 140ms ease;
}

#chat-toggle:hover {
    color: var(--glen-ink);
    background: var(--glen-surface-soft);
    border-color: var(--glen-line);
}

#chat-messages {
    padding: 18px 14px 14px;
    gap: 11px;
}

#chat-messages::-webkit-scrollbar {
    width: 7px;
}

#chat-messages::-webkit-scrollbar-thumb {
    background: rgba(23, 48, 66, 0.18);
    border: 2px solid transparent;
    background-clip: padding-box;
    border-radius: 999px;
}

.chat-message {
    border-radius: var(--glen-radius-md);
    font-size: 13px;
    line-height: 1.55;
}

.chat-message.assistant {
    color: var(--glen-ink);
    background: rgba(255, 255, 253, 0.84);
    border: 1px solid rgba(23, 48, 66, 0.09);
    box-shadow: 0 6px 18px rgba(19, 39, 52, 0.06);
}

.chat-message.user {
    color: #fff;
    background: linear-gradient(145deg, #235a70, #17465c);
    box-shadow: 0 7px 18px rgba(24, 77, 99, 0.2);
}

.chat-message.system {
    color: var(--glen-ink-soft);
    background: var(--glen-data-soft);
    border: 1px solid rgba(37, 111, 134, 0.13);
    font-style: normal;
}

.chat-message.error {
    color: #7e3434;
    background: rgba(185, 76, 76, 0.1);
    border: 1px solid rgba(185, 76, 76, 0.22);
}

.chat-message.assistant-thinking {
    color: var(--glen-data);
    background: var(--glen-data-soft);
    border: 1px solid rgba(37, 111, 134, 0.14);
    border-left: 3px solid var(--glen-data);
}

.welcome-message {
    max-width: none;
    padding: 14px;
}

.welcome-message p {
    margin-bottom: 12px;
    color: var(--glen-ink-soft);
}

.welcome-examples {
    gap: 7px;
}

.welcome-example-btn {
    padding: 6px 10px;
    border: 1px solid rgba(37, 111, 134, 0.14);
    border-radius: 999px;
    background: rgba(242, 247, 244, 0.9);
    color: #2f6275;
    font-size: 11px;
    line-height: 1.3;
    transition: transform 140ms ease, background 140ms ease,
        border-color 140ms ease, color 140ms ease;
}

.welcome-example-btn:hover {
    transform: translateY(-1px);
    background: #fff;
    border-color: rgba(230, 106, 78, 0.32);
    color: var(--glen-accent-deep);
}

#chat-input-container {
    gap: 8px;
    padding: 11px 12px;
    border-top: 1px solid var(--glen-line);
    background: rgba(255, 255, 253, 0.62);
}

#chat-input {
    min-height: 40px;
    padding: 10px 12px;
    border: 1px solid rgba(23, 48, 66, 0.15);
    border-radius: 12px;
    background: rgba(255, 255, 253, 0.92);
    color: var(--glen-ink);
    font-size: 13px;
    box-shadow: inset 0 1px 2px rgba(19, 39, 52, 0.03);
    transition: border-color 140ms ease, box-shadow 140ms ease,
        background 140ms ease;
}

#chat-input::placeholder {
    color: #87959d;
}

#chat-input:focus {
    border-color: rgba(37, 111, 134, 0.52);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(37, 111, 134, 0.1);
}

#chat-send {
    min-width: 64px;
    min-height: 40px;
    padding: 9px 14px;
    border-radius: 11px;
    background: var(--glen-ink);
    box-shadow: 0 6px 14px rgba(23, 48, 66, 0.18);
    font-size: 13px;
    font-weight: 650;
    transition: transform 140ms ease, background 140ms ease,
        box-shadow 140ms ease;
}

#chat-send:hover {
    transform: translateY(-1px);
    background: #21465d;
    box-shadow: 0 8px 18px rgba(23, 48, 66, 0.22);
}

#chat-send:disabled {
    transform: none;
    background: #a4afb4;
    box-shadow: none;
}

#chat-footer {
    min-height: 27px;
    padding: 5px 12px 8px;
    border-top: 0;
    background: rgba(255, 255, 253, 0.62);
}

#model-selector {
    padding: 4px 7px;
    border: 1px solid transparent;
    border-radius: 7px;
    background: rgba(23, 48, 66, 0.05);
    color: var(--glen-ink-soft);
    opacity: 0.82;
}

#model-selector:hover {
    border-color: var(--glen-line);
    background: rgba(255, 255, 253, 0.9);
    opacity: 1;
}

#export-btn,
#auto-approve-btn,
#settings-btn {
    border-radius: 7px;
    color: var(--glen-ink-soft);
}

#export-btn:hover:not(:disabled),
#auto-approve-btn:hover,
#settings-btn:hover {
    background: rgba(23, 48, 66, 0.06);
}

.chat-resize-handle::after {
    width: 2px;
    height: 56px;
    background: rgba(23, 48, 66, 0.16);
}

.chat-resize-handle:hover::after {
    background: var(--glen-accent);
}

#chat-reopen {
    width: 32px;
    height: 76px;
    border-color: var(--glen-line-strong);
    border-radius: 0 12px 12px 0;
    background: var(--glen-surface);
    color: var(--glen-ink);
    box-shadow: var(--glen-shadow-float);
}

/* Mobile-only single-select layer picker (desktop keeps checkboxes). */
.mobile-layer-select {
    display: none;
}

/* Layer workspace ------------------------------------------------------ */

#menu {
    top: 14px;
    right: 14px;
    min-width: 242px;
    padding: 14px;
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: var(--glen-radius-lg);
    background: rgba(255, 255, 255, 0.22) !important;
    -webkit-backdrop-filter: blur(20px) saturate(1.12);
    backdrop-filter: blur(20px) saturate(1.12);
    box-shadow: var(--glen-shadow-float);
    color: var(--glen-ink);
    font-family: var(--glen-font);
}

#menu .menu-header {
    min-height: 24px;
}

#menu .menu-section {
    margin-bottom: 14px;
}

#menu .section-title,
#menu .layer-group-title {
    color: var(--glen-muted);
    font-size: 10px;
    font-weight: 750;
    letter-spacing: 0.1em;
}

#menu .menu-section-header {
    margin-bottom: 5px;
}

#menu .basemap-toggle-group {
    gap: 3px;
    padding: 3px;
    border: 1px solid rgba(23, 48, 66, 0.08);
    border-radius: 10px;
    background: rgba(23, 48, 66, 0.045);
}

#menu .basemap-btn {
    min-height: 29px;
    padding: 5px 7px;
    border: 0;
    border-radius: 7px;
    background: transparent;
    color: var(--glen-ink-soft);
    font-size: 10px;
}

#menu .basemap-btn:hover {
    background: rgba(255, 255, 253, 0.72);
    color: var(--glen-ink);
}

#menu .basemap-btn.active {
    background: var(--glen-surface-strong);
    color: var(--glen-ink);
    box-shadow: 0 2px 7px rgba(19, 39, 52, 0.11);
}

#menu .layer-group {
    margin-bottom: 9px;
}

#menu .layer-group-title {
    margin-bottom: 5px;
    padding: 5px 3px;
    border-radius: 7px;
}

#menu .layer-group-title:hover {
    background: rgba(23, 48, 66, 0.04);
}

#menu .layer-group-title::before {
    color: var(--glen-data);
}

#menu .layer-item {
    margin: 0;
    padding: 0;
}

#menu .layer-toggle {
    min-height: 31px;
    padding: 2px 5px;
    border-radius: 8px;
    color: var(--glen-ink-soft);
    font-size: 12px;
    transition: color 120ms ease, background 120ms ease;
}

#menu .layer-toggle:hover {
    background: rgba(255, 255, 253, 0.68);
    color: var(--glen-ink);
}

#menu .layer-toggle input[type="checkbox"] {
    width: 16px;
    height: 16px;
    margin-right: 8px;
    appearance: none;
    border: 1.5px solid rgba(23, 48, 66, 0.28);
    border-radius: 5px;
    background: rgba(255, 255, 253, 0.84);
    display: grid;
    place-content: center;
}

#menu .layer-toggle input[type="checkbox"]::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 2px;
    background: #fff;
    transform: scale(0);
    transition: transform 110ms ease;
}

#menu .layer-toggle input[type="checkbox"]:checked {
    border-color: var(--glen-accent);
    background: var(--glen-accent);
}

#menu .layer-toggle input[type="checkbox"]:checked::before {
    transform: scale(1);
}

#menu .layer-toggle input[type="checkbox"]:focus-visible,
#menu .basemap-btn:focus-visible,
#menu button:focus-visible {
    outline: 2px solid rgba(37, 111, 134, 0.55);
    outline-offset: 2px;
}

#menu-toggle,
#menu .menu-header-btn,
#menu .globe-btn {
    color: var(--glen-muted);
    border-radius: 8px;
}

#menu-toggle:hover,
#menu .menu-header-btn:hover:not(:disabled),
#menu .globe-btn:hover {
    color: var(--glen-ink);
    background: rgba(23, 48, 66, 0.06);
}

/* Legends and feature inspection -------------------------------------- */

#legend {
    right: 14px;
    bottom: 10px;
    min-width: 174px;
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: var(--glen-radius-lg);
    background: rgba(255, 255, 255, 0.22) !important;
    -webkit-backdrop-filter: blur(20px) saturate(1.12);
    backdrop-filter: blur(20px) saturate(1.12);
    box-shadow: var(--glen-shadow-float);
    color: var(--glen-ink);
    font-family: var(--glen-font);
}

#legend-header {
    padding: 11px 13px 9px;
    border-bottom: 1px solid var(--glen-line);
    background: transparent;
}

#legend-header h3 {
    color: var(--glen-ink);
    font-size: 12px;
    font-weight: 720;
    letter-spacing: 0.015em;
}

#legend-toggle {
    width: 27px;
    height: 27px;
    border-radius: 8px;
    color: var(--glen-muted);
    font-size: 16px;
}

#legend-toggle:hover {
    color: var(--glen-ink);
    background: rgba(23, 48, 66, 0.06);
}

#legend-content {
    padding: 11px 13px 13px;
}

#legend .legend-section {
    margin-bottom: 11px;
}

#legend .legend-section h4 {
    color: var(--glen-ink-soft);
    font-size: 10px;
    font-weight: 760;
    letter-spacing: 0.07em;
}

#legend .legend-colorbar {
    height: 10px;
    border: 2px solid rgba(255, 255, 253, 0.85);
    border-radius: 999px;
    box-shadow: 0 0 0 1px rgba(23, 48, 66, 0.1);
}

#legend .legend-labels,
#legend .legend-item {
    color: var(--glen-muted);
}

.maplibregl-popup .maplibregl-popup-content {
    max-height: min(58vh, 430px);
    padding: 14px 16px;
    overflow-y: auto;
    border: 1px solid rgba(255, 255, 255, 0.76);
    border-radius: 15px;
    background: var(--glen-surface-strong);
    box-shadow: var(--glen-shadow-float);
    color: var(--glen-ink);
    font-family: var(--glen-font);
}

.maplibregl-popup .maplibregl-popup-close-button {
    width: 28px;
    height: 28px;
    border-radius: 0 14px 0 9px;
    color: var(--glen-muted);
    font-size: 18px;
}

.maplibregl-popup .maplibregl-popup-close-button:hover {
    color: var(--glen-ink);
    background: rgba(23, 48, 66, 0.07);
}

.maplibregl-popup .map-popup-table {
    font-family: var(--glen-font);
    font-size: 11px;
}

.maplibregl-popup .map-popup-table th,
.maplibregl-popup .map-popup-table td {
    padding-top: 5px;
    padding-bottom: 5px;
    border-bottom-color: rgba(23, 48, 66, 0.08);
}

.maplibregl-popup .map-popup-table th {
    color: var(--glen-muted);
    font-weight: 620;
}

.maplibregl-popup .map-popup-table td {
    color: var(--glen-ink);
    font-variant-numeric: tabular-nums;
}

.map-tooltip {
    border-color: rgba(255, 255, 255, 0.72);
    border-radius: 12px;
    background: var(--glen-surface-strong);
    box-shadow: var(--glen-shadow-float);
    color: var(--glen-ink);
    font-family: var(--glen-font);
}

/* The hover inspector and the persistent click popup contain the same grid
 * attributes. Avoid rendering both on top of each other while preserving the
 * hover inspector as soon as the click popup closes. */
body:has(.maplibregl-popup) .map-tooltip {
    display: none !important;
}

/* Sidebar-mode parity -------------------------------------------------- */

body.sidebar-mode #sidebar {
    background: #f7f9f6;
    color: var(--glen-ink);
    border-left: 1px solid var(--glen-line);
    box-shadow: -14px 0 40px rgba(19, 39, 52, 0.14);
    font-family: var(--glen-font);
}

body.sidebar-mode #sidebar-header,
body.sidebar-mode #chat-input-container,
body.sidebar-mode #sidebar-footer {
    border-color: var(--glen-line);
}

body.sidebar-mode #sidebar-header h3 {
    color: var(--glen-ink);
}

/* Responsive presentation only; map geometry remains owned by existing CSS. */

@media (max-width: 760px) {
    #chat-container {
        width: 100%;
        min-width: 0;
        max-width: 100%;
        border-radius: 16px 16px 0 0;
    }

    #menu {
        top: 10px;
        right: 10px;
        min-width: 218px;
        max-width: calc(100vw - 42px);
        padding: 11px;
        border-radius: 15px;
    }

    #legend {
        right: 10px;
        bottom: 82px;
        border-radius: 15px;
    }

    /* ── Mobile layer panel: compact single-select ────────────────────
       Hide the desktop checkbox stack, basemap switcher, and reduce
       chrome; show the mobile <select> with the inline legend below it. */
    #layer-controls-container {
        display: none;
    }
    .mobile-layer-select {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .mobile-layer-select select {
        width: 100%;
        padding: 9px 10px;
        border-radius: 10px;
        border: 1px solid rgba(23, 48, 66, 0.18);
        background: rgba(255, 255, 255, 0.9);
        color: #1a1a2e;
        font-size: 14px;
        font-family: inherit;
        -webkit-appearance: none;
        appearance: none;
    }
    /* Inline legend: no box, just the colorbar + numbers. */
    #legend.inline {
        position: static;
        box-shadow: none;
        border: none;
        background: transparent;
        backdrop-filter: none;
        padding: 0;
        margin: 0;
    }
    #legend.inline #legend-header {
        display: none;
    }
    #legend.inline .legend-section {
        margin-bottom: 6px;
    }
    #legend.inline .legend-section h4 {
        font-size: 11px;
        margin: 0 0 4px;
    }
    #legend.inline .legend-colorbar {
        height: 8px;
    }
    #legend.inline .legend-labels {
        font-size: 10px;
    }
    /* Hide basemap switching on mobile — default basemap is fine. */
    .basemap-toggle-group {
        display: none !important;
    }
    /* Trim headings to keep the panel compact. */
    .menu-header .section-title,
    .menu-section-header {
        display: none;
    }
    #menu {
        min-width: 0;
        max-width: calc(100vw - 42px);
        padding: 8px;
    }

    /* On phones the chat is a bottom drawer; nudge the map nav controls so
       they sit above the drawer's top edge when it's open. */
    .maplibregl-ctrl-bottom-left,
    .mapboxgl-ctrl-bottom-left {
        left: 8px !important;
        bottom: 8px;
    }
    .maplibregl-ctrl-top-left,
    .mapboxgl-ctrl-top-left {
        left: 8px !important;
    }

    /* Layer menu toggle & legend get safe-area insets on notched phones. */
    #menu {
        top: max(10px, env(safe-area-inset-top, 0px));
    }
}

@media (prefers-reduced-motion: reduce) {
    #chat-toggle,
    #chat-send,
    .welcome-example-btn,
    #menu .layer-toggle,
    #menu .layer-toggle input[type="checkbox"]::before {
        transition: none;
    }
}