/* ===== DESIGN TOKENS ===== */
:root {
    --ff-font-display: 'Fraunces', Georgia, serif;
    --ff-font-body: 'DM Sans', system-ui, sans-serif;

    --ff-blue: #4a7fba;
    --ff-blue-bright: #5b93d4;
    --ff-blue-deep: #36638f;
    --ff-blue-pale: #e8f0f8;
    --ff-slate: #64748b;
    --ff-slate-light: #94a3b8;
    --ff-navy: #1e293b;
    --ff-navy-soft: #334155;

    --bg-app: #f0f4f8;
    --bg-nav: rgba(240, 244, 248, 0.85);
    --bg-sidebar: #f7f9fc;
    --bg-card: #ffffff;
    --bg-card-img: linear-gradient(135deg, #eef4fb 0%, #e4edf7 100%);
    --bg-search: #ffffff;
    --bg-suggestions: #ffffff;
    --bg-empty: #ffffff;
    --bg-skeleton-from: #e8eef4;
    --bg-skeleton-mid: #d8e2ec;

    --border-card: #dce4ee;
    --border-subtle: #e2e8f0;
    --border-empty: #cbd5e1;

    --text-primary: var(--ff-navy);
    --text-secondary: var(--ff-navy-soft);
    --text-muted: var(--ff-slate);
    --text-faint: var(--ff-slate-light);
    --text-accent: var(--ff-blue);

    --shadow-sm: 0 1px 3px rgba(30, 41, 59, 0.04);
    --shadow-md: 0 4px 16px rgba(30, 41, 59, 0.06);
    --shadow-lg: 0 8px 32px rgba(30, 41, 59, 0.08);
    --shadow-card: 0 2px 12px rgba(30, 41, 59, 0.05);
    --shadow-card-hover: 0 8px 28px rgba(30, 41, 59, 0.1);
    --shadow-highlight: 0 0 0 2px rgba(74, 127, 186, 0.25), 0 8px 24px rgba(74, 127, 186, 0.12);

    --accent-gradient: linear-gradient(135deg, var(--ff-blue), var(--ff-blue-deep));
    --accent-shadow: rgba(74, 127, 186, 0.25);
    --accent-shadow-hover: rgba(74, 127, 186, 0.35);
    --accent-focus-ring: rgba(74, 127, 186, 0.15);

    --map-radius: 12px;
    --card-radius: 14px;
    --input-radius: 12px;

    --loader-bg: rgba(240, 244, 248, 0.8);
    --overlay-bg: rgba(240, 244, 248, 0.85);
}

[data-bs-theme="dark"] {
    --ff-blue: #6da5e0;
    --ff-blue-bright: #82b5eb;
    --ff-blue-deep: #5a94d0;
    --ff-blue-pale: #1c2a3d;
    --ff-slate: #7b8da1;
    --ff-slate-light: #4a5568;
    --ff-navy: #e2e8f0;
    --ff-navy-soft: #bfc9d6;

    --bg-app: #0f1319;
    --bg-nav: rgba(15, 19, 25, 0.9);
    --bg-sidebar: #141920;
    --bg-card: #1a2030;
    --bg-card-img: linear-gradient(135deg, #1e2738 0%, #222d3e 100%);
    --bg-search: #1a2030;
    --bg-suggestions: #1a2030;
    --bg-empty: #1a2030;
    --bg-skeleton-from: #1e2738;
    --bg-skeleton-mid: #283548;

    --border-card: #253042;
    --border-subtle: #1e2738;
    --border-empty: #2d3b50;

    --text-primary: #e2e8f0;
    --text-secondary: #bfc9d6;
    --text-muted: #7b8da1;
    --text-faint: #4a5568;
    --text-accent: #6da5e0;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.35);
    --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.2);
    --shadow-card-hover: 0 8px 28px rgba(0, 0, 0, 0.35);
    --shadow-highlight: 0 0 0 2px rgba(109, 165, 224, 0.3), 0 8px 24px rgba(109, 165, 224, 0.15);

    --accent-gradient: linear-gradient(135deg, var(--ff-blue), var(--ff-blue-deep));
    --accent-shadow: rgba(109, 165, 224, 0.25);
    --accent-shadow-hover: rgba(109, 165, 224, 0.35);
    --accent-focus-ring: rgba(109, 165, 224, 0.2);

    --loader-bg: rgba(15, 19, 25, 0.8);
    --overlay-bg: rgba(15, 19, 25, 0.85);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    height: 100%;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--ff-font-body);
    background: var(--bg-app);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== NAVIGATION ===== */
.app-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 2000;
    background: var(--bg-nav);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-subtle);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    height: 56px;
    max-width: 1600px;
    margin: 0 auto;
}

.app-brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    color: var(--text-primary);
}

.app-brand:hover {
    color: var(--text-primary);
    text-decoration: none;
}

.brand-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: var(--accent-gradient);
    color: #fff;
    font-size: 1rem;
    box-shadow: 0 2px 8px var(--accent-shadow);
}

.brand-text {
    font-family: var(--ff-font-display);
    font-size: 1.2rem;
    font-weight: 600;
    font-optical-sizing: auto;
    letter-spacing: -0.01em;
}

/* ===== THEME SWITCH ===== */
.theme-switch {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.theme-icon {
    font-size: 0.75rem;
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.switch {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 22px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--border-card);
    border-radius: 22px;
    transition: background 0.3s ease;
}

.switch-slider::before {
    content: '';
    position: absolute;
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: transform 0.3s ease;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.switch input:checked + .switch-slider {
    background: var(--ff-blue);
}

.switch input:checked + .switch-slider::before {
    transform: translateX(18px);
}

/* ===== APP SHELL ===== */
.app-shell {
    display: grid;
    grid-template-columns: 400px 1fr;
    height: 100vh;
    padding-top: 56px;
}

/* ===== SIDEBAR ===== */
.sidebar {
    display: flex;
    flex-direction: column;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-subtle);
    overflow: hidden;
}

.search-section {
    padding: 1.25rem 1.5rem 0;
    flex-shrink: 0;
}

.search-heading {
    font-family: var(--ff-font-display);
    font-size: 1.55rem;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0 0 0.2rem;
    letter-spacing: -0.02em;
    font-optical-sizing: auto;
}

.search-subtext {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0 0 1rem;
    line-height: 1.4;
}

.search-input-wrap {
    position: relative;
}

.search-icon {
    position: absolute;
    left: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-faint);
    font-size: 0.85rem;
    pointer-events: none;
    z-index: 1;
}

.search-input {
    width: 100%;
    padding: 0.7rem 2.5rem 0.7rem 2.5rem;
    font-family: var(--ff-font-body);
    font-size: 0.9rem;
    color: var(--text-primary);
    background: var(--bg-search);
    border: 1.5px solid var(--border-card);
    border-radius: var(--input-radius);
    outline: none;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.search-input::placeholder {
    color: var(--text-faint);
}

.search-input:focus {
    border-color: var(--ff-blue);
    box-shadow: 0 0 0 3px var(--accent-focus-ring);
}

.clear-icon {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    font-size: 1.1rem;
    color: var(--text-faint);
    display: none;
    user-select: none;
    line-height: 1;
    transition: color 0.2s ease;
}

.clear-icon:hover {
    color: var(--text-muted);
}

.clear-icon.visible {
    display: block;
}

/* ===== SUGGESTIONS ===== */
.suggestions-list {
    margin-top: 0.35rem;
    border-radius: var(--input-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.suggestions-list:empty {
    display: none;
}

.suggestions-list .list-group-item {
    font-family: var(--ff-font-body);
    font-size: 0.88rem;
    padding: 0.65rem 0.9rem;
    background: var(--bg-suggestions);
    color: var(--text-secondary);
    border: none;
    border-bottom: 1px solid var(--border-subtle);
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}

.suggestions-list .list-group-item:last-child {
    border-bottom: none;
}

.suggestions-list .list-group-item:hover,
.suggestions-list .list-group-item:focus {
    background: var(--bg-card-img);
    color: var(--text-accent);
}

.suggestions-list .list-group-item i {
    color: var(--ff-blue);
    opacity: 0.7;
}

/* ===== CARDS SECTION ===== */
.cards-section {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem 1.5rem 1.5rem;
    scroll-behavior: smooth;
}

.cards-section::-webkit-scrollbar {
    width: 5px;
}

.cards-section::-webkit-scrollbar-track {
    background: transparent;
}

.cards-section::-webkit-scrollbar-thumb {
    background: var(--border-card);
    border-radius: 10px;
}

.cards-section::-webkit-scrollbar-thumb:hover {
    background: var(--text-faint);
}

#flavorCards {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

/* ===== FLAVOR CARDS ===== */
.flavor-card {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    cursor: default;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.25s ease;
    opacity: 0;
    animation: cardReveal 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.flavor-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(74, 127, 186, 0.35);
}

.flavor-card.highlighted {
    border-color: var(--ff-blue);
    box-shadow: var(--shadow-highlight);
    transform: translateY(-2px);
}

@keyframes cardReveal {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.flavor-card .card-img-container {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem;
    background: var(--bg-card-img);
}

.flavor-card img {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 3px 10px rgba(30, 41, 59, 0.1);
    transition: transform 0.3s ease;
}

.flavor-card:hover img {
    transform: scale(1.05);
}

.flavor-image-fallback {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--border-card);
    color: var(--text-faint);
    font-size: 0.55rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.flavor-card .card-body {
    padding: 0.75rem 1rem 0.75rem 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}

.flavor-card .card-title {
    font-family: var(--ff-font-display);
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0 0 0.25rem;
    letter-spacing: -0.01em;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.flavor-card .flavor-name {
    font-size: 0.8rem;
    color: var(--text-accent);
    font-weight: 600;
    margin: 0 0 0.2rem;
    line-height: 1.35;
    letter-spacing: 0.01em;
}

.flavor-card .card-text {
    color: var(--text-muted);
    font-size: 0.8rem;
    line-height: 1.45;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== EMPTY STATE ===== */
.flavor-empty {
    border: 1.5px dashed var(--border-empty);
    border-radius: var(--card-radius);
    padding: 2rem 1.5rem;
    background: var(--bg-empty);
    text-align: center;
}

.flavor-empty-title {
    font-family: var(--ff-font-display);
    font-weight: 500;
    font-size: 1.15rem;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
}

.flavor-empty-text {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.5;
}

/* ===== SKELETON LOADING ===== */
.skeleton {
    background: linear-gradient(90deg, var(--bg-skeleton-from), var(--bg-skeleton-mid), var(--bg-skeleton-from));
    background-size: 200% 100%;
    animation: shimmer 1.4s ease-in-out infinite;
    border-radius: 6px;
}

.skeleton.image {
    width: 64px;
    height: 64px;
    border-radius: 50%;
}

.skeleton.title {
    width: 70%;
    height: 1em;
    margin: 0.4em 0;
}

.skeleton.text {
    width: 90%;
    height: 0.7em;
    margin: 0.3em 0;
}

@keyframes shimmer {
    to {
        background-position: -200% 0;
    }
}

/* ===== MAP SECTION ===== */
.map-section {
    position: relative;
    padding: 0.75rem;
}

#map {
    width: 100%;
    height: 100%;
    border-radius: var(--map-radius);
    box-shadow: var(--shadow-lg);
    z-index: 1;
    border: 1px solid var(--border-subtle);
}

/* ===== MAP LOADING OVERLAY ===== */
.spinner-border {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    vertical-align: text-bottom;
    border: 0.2em solid var(--ff-blue);
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border 0.75s linear infinite;
}

@keyframes spinner-border {
    to { transform: rotate(360deg); }
}

/* ===== CUSTOM ICE CREAM MARKER ===== */
.ice-cream-marker {
    display: flex;
    align-items: center;
    justify-content: center;
    filter: drop-shadow(0 2px 4px rgba(30, 41, 59, 0.25));
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center bottom;
}

.ice-cream-marker:hover {
    transform: scale(1.25);
}

/* ===== LEAFLET OVERRIDES ===== */
.leaflet-marker-icon {
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center bottom;
}

.leaflet-marker-icon:hover {
    transform: scale(1.2);
}

.leaflet-control-zoom {
    border: 1px solid var(--border-card) !important;
    border-radius: 10px !important;
    overflow: hidden;
    box-shadow: var(--shadow-md) !important;
}

.leaflet-control-zoom a {
    background: var(--bg-card) !important;
    color: var(--text-secondary) !important;
    border-color: var(--border-card) !important;
    width: 32px !important;
    height: 32px !important;
    line-height: 32px !important;
    font-size: 14px !important;
}

.leaflet-control-zoom a:hover {
    background: var(--bg-sidebar) !important;
    color: var(--text-primary) !important;
}

/* Search Here button */
.btn-search-here {
    font-family: var(--ff-font-body);
    font-size: 0.82rem;
    font-weight: 600;
    padding: 0.45rem 1rem;
    border: none;
    border-radius: 10px;
    background: var(--accent-gradient);
    color: #fff;
    cursor: pointer;
    box-shadow: 0 3px 12px var(--accent-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    margin: 10px;
}

.btn-search-here:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 18px var(--accent-shadow-hover);
}

/* Leaflet popup styling */
.leaflet-popup-content-wrapper {
    border-radius: 10px !important;
    box-shadow: var(--shadow-md) !important;
    font-family: var(--ff-font-body) !important;
    font-size: 0.85rem !important;
    background: var(--bg-card) !important;
    color: var(--text-primary) !important;
}

.leaflet-popup-tip {
    background: var(--bg-card) !important;
}

/* ===== RESPONSIVE: TABLET ===== */
@media (max-width: 900px) {
    .app-shell {
        grid-template-columns: 340px 1fr;
    }
}

/* ===== RESPONSIVE: MOBILE ===== */
@media (max-width: 768px) {
    .app-shell {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr auto;
    }

    .sidebar {
        order: 2;
        border-right: none;
        border-top: 1px solid var(--border-subtle);
        max-height: 45vh;
    }

    .map-section {
        order: 1;
        padding: 0;
        min-height: 0;
    }

    #map {
        border-radius: 0;
        border: none;
    }

    .search-section {
        padding: 1rem;
    }

    .search-heading {
        font-size: 1.25rem;
    }

    .cards-section {
        padding: 0.5rem 1rem 1rem;
    }
}

@media (max-width: 576px) {
    .flavor-card {
        grid-template-columns: 1fr;
    }

    .flavor-card .card-img-container {
        justify-content: flex-start;
        padding: 0.75rem 1rem 0;
    }

    .flavor-card .card-body {
        padding: 0.5rem 1rem 0.75rem;
    }

    .flavor-card .card-title {
        white-space: normal;
    }
}

/* ===== SCROLLBAR (FIREFOX) ===== */
.cards-section {
    scrollbar-width: thin;
    scrollbar-color: var(--border-card) transparent;
}