/* ==========================================================================
   Bianor Modern Dark Theme Design System
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Surfaces */
    --bg-base: #070a12;
    --bg-surface: #0c1220;
    --bg-surface-elevated: #111a2e;
    --bg-card: #15223c;
    --bg-card-hover: #1c2d4f;
    --bg-card-active: rgba(99, 102, 241, 0.16);

    /* Glassmorphism surfaces */
    --glass-surface: rgba(12, 18, 32, 0.78);
    --glass-card: rgba(17, 26, 46, 0.75);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-hover: rgba(99, 102, 241, 0.4);

    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --text-subtle: #475569;

    /* Accents & Gradients */
    --accent-primary: #6366f1;
    --accent-primary-hover: #4f46e5;
    --accent-violet: #8b5cf6;
    --accent-cyan: #06b6d4;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    --accent-rose: #f43f5e;

    /* Glows & Shadows */
    --glow-indigo: 0 0 20px rgba(99, 102, 241, 0.35);
    --glow-violet: 0 0 20px rgba(139, 92, 246, 0.35);
    --glow-emerald: 0 0 16px rgba(16, 185, 129, 0.3);
    --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.45);
    --shadow-slot: 0 4px 14px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-smooth: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base resets & typography */
html, body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow: hidden;
}

#main-container {
    display: flex;
    flex-direction: column;
    width: 100vw;
    height: 100vh;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: radial-gradient(circle at 50% 0%, #111a2f 0%, #070a12 65%);
    color: var(--text-primary);
    box-sizing: border-box;
}

#body-container {
    display: flex;
    flex-grow: 1;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

#body-container > div:last-child {
    flex-grow: 1;
    height: 100%;
    width: 100%;
    overflow: hidden;
}

#_pages_content {
    height: 100%;
    width: 100%;
    padding: 0 !important;
    background-color: transparent !important;
    border-radius: 0 !important;
    overflow: hidden !important;
    box-sizing: border-box;
}

#sidebar, #navbar {
    display: none !important;
}

/* ==========================================================================
   Single Page App Full-Screen Scroll Container
   ========================================================================== */

#single-page-scroll-container {
    width: 100vw;
    height: 100vh;
    overflow-y: scroll;
    overflow-x: hidden;
    scroll-behavior: smooth;
    scroll-snap-type: y mandatory;
    box-sizing: border-box;
}

.subscreen-fullscreen {
    width: 100vw;
    height: 100vh;
    min-height: 100vh;
    max-height: 100vh;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

/* ==========================================================================
   Sub-Screen 1: Welcome Screen
   ========================================================================== */

#welcome {
    padding: 1.5rem 2rem 1.25rem;
    align-items: center;
    justify-content: space-between;
    background: radial-gradient(circle at 50% 20%, rgba(99, 102, 241, 0.09) 0%, transparent 65%);
}

.powered-by-brand {
    opacity: 0.55;
    transition: var(--transition-smooth);
    user-select: none;
}

.powered-by-brand:hover {
    opacity: 0.95;
    transform: translateY(-1px);
}

.powered-by-brand img {
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.5));
}

.welcome-hero-title {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #ffffff 0%, #e2e8f0 50%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.welcome-hero-sub {
    font-size: 0.95rem;
    color: var(--text-muted);
    max-width: 580px;
    margin: 0 auto;
    line-height: 1.45;
}

.welcome-persona-pills {
    display: flex;
    justify-content: center;
    gap: 0.65rem;
    flex-wrap: wrap;
    max-width: 820px;
    margin: 0.15rem auto 0.35rem;
}

.welcome-persona-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 9999px;
    padding: 0.35rem 0.85rem;
    font-size: 0.8rem;
    color: #cbd5e1;
    backdrop-filter: blur(8px);
    transition: all 0.2s ease;
}

.welcome-persona-pill:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(99, 102, 241, 0.35);
}

.welcome-persona-tag {
    font-weight: 600;
    font-size: 0.73rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.15rem 0.45rem;
    border-radius: 6px;
}

.welcome-persona-tag.tag-gift {
    background: rgba(245, 158, 11, 0.18);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.35);
}

.welcome-persona-tag.tag-builder {
    background: rgba(99, 102, 241, 0.18);
    color: #a5b4fc;
    border: 1px solid rgba(99, 102, 241, 0.35);
}

.welcome-tiles-wrapper {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    align-items: stretch;
    width: 100%;
    max-width: 1040px;
    margin: 0.75rem 0;
}

.welcome-product-card {
    flex: 1 1 0;
    max-width: 320px;
    background: linear-gradient(180deg, rgba(21, 34, 60, 0.88) 0%, rgba(13, 20, 36, 0.94) 100%);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 1.15rem 1.25rem;
    display: flex;
    flex-direction: column;
    cursor: pointer;
    user-select: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    text-decoration: none !important;
    animation: shuffle-card-shake 0.42s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

@keyframes shuffle-card-shake {
    0% {
        transform: scale(0.96) translateY(4px);
        opacity: 0.6;
    }
    25% {
        transform: scale(1.02) translateX(-4px) rotate(-1.2deg);
        opacity: 0.9;
    }
    50% {
        transform: scale(1) translateX(3px) rotate(0.8deg);
    }
    75% {
        transform: scale(1) translateX(-1px) rotate(-0.3deg);
    }
    100% {
        transform: scale(1) translateX(0) rotate(0);
        opacity: 1;
    }
}

.welcome-product-card.anim-jumpy {
    animation: shuffle-card-jumpy 0.55s cubic-bezier(0.175, 0.885, 0.32, 1.275) both;
}

@keyframes shuffle-card-jumpy {
    0% {
        transform: translateY(0);
        opacity: 0.7;
    }
    35% {
        transform: translateY(-22px) scale(1.03);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(99, 102, 241, 0.3);
        opacity: 1;
    }
    65% {
        transform: translateY(4px) scale(0.99);
    }
    82% {
        transform: translateY(-5px) scale(1.01);
    }
    100% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.welcome-product-card:hover {
    transform: translateY(-6px);
    border-color: rgba(99, 102, 241, 0.55);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.55), 0 0 24px rgba(99, 102, 241, 0.25);
}

.welcome-tile-image-box {
    position: relative;
    height: 160px;
    width: 100%;
    background: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem;
    box-sizing: border-box;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

.welcome-tile-theme-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #e2e8f0;
    border: 1px solid rgba(255, 255, 255, 0.15);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    padding: 0.2rem 0.55rem;
    border-radius: 6px;
    z-index: 2;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.welcome-tile-img {
    max-height: 140px;
    max-width: 90%;
    object-fit: contain;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    filter: none;
}

.welcome-product-card:hover .welcome-tile-img {
    transform: scale(1.08);
}

.welcome-tile-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #f8fafc;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.6em;
    margin-top: 0.75rem;
    margin-bottom: 0.15rem;
}

.welcome-tile-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.82rem;
    font-weight: 600;
    color: #818cf8;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: 8px;
    padding: 0.45rem 0.75rem;
    transition: all 0.2s ease;
}

.welcome-product-card:hover .welcome-tile-cta {
    background: #6366f1;
    border-color: #6366f1;
    color: #ffffff;
    box-shadow: 0 0 12px rgba(99, 102, 241, 0.4);
}

.welcome-randomize-btn {
    background: rgba(255, 255, 255, 0.04) !important;
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
    color: #e2e8f0 !important;
    border-radius: 9999px !important;
    padding: 0.5rem 1.4rem !important;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    letter-spacing: 0.02em;
    transition: all 0.2s ease !important;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}

.welcome-randomize-btn:hover {
    background: rgba(99, 102, 241, 0.2) !important;
    border-color: #6366f1 !important;
    color: #ffffff !important;
    box-shadow: 0 0 16px rgba(99, 102, 241, 0.35) !important;
    transform: translateY(-2px);
}

.welcome-scroll-cta-btn {
    background: rgba(99, 102, 241, 0.12) !important;
    border: 1px solid rgba(99, 102, 241, 0.35) !important;
    color: #e2e8f0 !important;
    border-radius: 9999px !important;
    padding: 0.5rem 1.4rem !important;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    letter-spacing: 0.02em;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: all 0.2s ease !important;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
    user-select: none;
    text-decoration: none !important;
}

.welcome-scroll-cta-btn:hover {
    background: rgba(99, 102, 241, 0.28) !important;
    border-color: #818cf8 !important;
    color: #ffffff !important;
    box-shadow: 0 0 18px rgba(99, 102, 241, 0.45) !important;
    transform: translateY(-2px);
}

.welcome-trademark-disclaimer {
    font-size: 0.68rem;
    color: rgba(148, 163, 184, 0.45);
    text-align: center;
    max-width: 600px;
    letter-spacing: 0.01em;
    user-select: none;
}

/* ==========================================================================
   Sub-Screen 2: Map & Side Table View
   ========================================================================== */

#explorer {
    padding: 0.75rem 1.25rem 0.85rem;
    overflow: hidden;
    height: 100vh;
    max-height: 100vh;
}

.back-to-welcome-btn {
    font-size: 0.76rem;
    font-weight: 600;
    color: #94a3b8;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    border-radius: 9999px;
    padding: 0.3rem 0.7rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    line-height: 1;
    flex-shrink: 0;
    transition: var(--transition-fast);
}

.back-to-welcome-btn i {
    font-size: 1.05rem;
    line-height: 1;
}

.back-to-welcome-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.16);
    transform: translateY(-1px);
}

/* ==========================================================================
   Observer / Explorer Main Two-Sided Container
   ========================================================================== */

#observer-container {
    display: flex;
    width: 100%;
    height: 100%;
    gap: 1rem;
    overflow: hidden;
    box-sizing: border-box;
}

/* LEFT PANEL: Map and Controls */
#observer-left-panel {
    flex: 1 1 0;
    min-width: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Controls Top Bar */
#observer-control-bar {
    background: var(--glass-card);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 0.45rem 0.75rem;
    box-shadow: var(--shadow-slot);
    flex-shrink: 0;
    position: relative;
    z-index: 1000;
    min-width: 0;
    gap: 0.7rem;
}

.observer-bar-divider {
    height: 18px;
    width: 1px;
    background: var(--glass-border);
    margin: 0;
    flex-shrink: 0;
}

/* View Buttons */
.observer-view-cluster {
    display: flex;
    align-items: stretch;
    gap: 0.3rem;
    min-width: 0;
}

.observer-components-cluster {
    display: flex;
    align-items: stretch;
    min-width: 0;
}

.observer-view-btn,
#btn-view-projections,
#btn-view-components {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 0.32rem 0.7rem;
    border-radius: 9999px;
    line-height: 1.2;
    white-space: nowrap;
    transition: var(--transition-fast);
}

.observer-view-btn i,
#btn-view-projections i,
#btn-view-components i {
    font-size: 0.95rem;
    line-height: 1;
}

#btn-view-projections:hover,
#btn-view-components:hover {
    transform: translateY(-1px);
}

.observer-feature-select {
    display: flex;
    align-items: center;
    min-width: 0;
    margin-left: 0.3rem;
    --Dash-Fill-Interactive-Strong: #c026d3;
    --Dash-Fill-Interactive-Weak: rgba(192, 38, 211, 0.22);
    --Dash-Text-Strong: #e2e8f0;
    --Dash-Text-Disabled: #94a3b8;
    --Dash-Fill-Inverse-Strong: #111a2e;
    --Dash-Fill-Disabled: rgba(255, 255, 255, 0.08);
}

.observer-feature-select.d-none {
    display: none !important;
}

.observer-feature-dropdown,
#drp-component-idx.dash-dropdown {
    min-width: 168px;
    max-width: 240px;
    width: 200px;
    height: 30px !important;
    min-height: 30px !important;
    font-size: 0.75rem;
    color: #e2e8f0 !important;
    background: rgba(9, 13, 23, 0.92) !important;
    border: 1px solid rgba(192, 38, 211, 0.5) !important;
    border-radius: 9999px !important;
    box-shadow: none !important;
    outline: none !important;
    cursor: pointer;
}

#drp-component-idx.dash-dropdown:hover,
#drp-component-idx.dash-dropdown:focus,
#drp-component-idx.dash-dropdown:focus-visible,
#drp-component-idx.dash-dropdown[data-state="open"] {
    color: #e2e8f0 !important;
    background: rgba(9, 13, 23, 0.96) !important;
    border-color: rgba(192, 38, 211, 0.85) !important;
    outline: none !important;
    box-shadow: 0 0 0 2px rgba(192, 38, 211, 0.28) !important;
}

#drp-component-idx .dash-dropdown-value,
#drp-component-idx .dash-dropdown-value-item,
#drp-component-idx .dash-dropdown-value-item span,
#drp-component-idx .dash-dropdown-trigger-icon,
#drp-component-idx-value {
    color: #e2e8f0 !important;
    background: transparent !important;
    -webkit-text-fill-color: #e2e8f0 !important;
}

[data-dash-is-loading] #drp-component-idx {
    opacity: 0.7;
}

.dash-dropdown-content {
    background: #111a2e !important;
    color: #e2e8f0 !important;
    border: 1px solid var(--glass-border) !important;
    --Dash-Fill-Interactive-Strong: #c026d3;
    --Dash-Fill-Interactive-Weak: rgba(192, 38, 211, 0.22);
    --Dash-Text-Strong: #e2e8f0;
    --Dash-Fill-Inverse-Strong: #111a2e;
}

.dash-dropdown-option,
.dash-dropdown-option .dash-options-list-option-wrapper {
    color: #e2e8f0 !important;
}

.dash-dropdown-option:hover,
.dash-dropdown-option:focus,
.dash-dropdown-option[data-highlighted],
.dash-dropdown-option:has(input:checked),
.dash-options-list-option-wrapper:hover {
    background: rgba(192, 38, 211, 0.22) !important;
    color: #f8fafc !important;
}

/* Layer Toggle Buttons */
.observer-layer-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.observer-layer-item {
    display: flex;
    align-items: center;
}

#btn-layer-rhizome,
#btn-layer-pad,
#btn-layer-petal,
#btn-layer-pad-nogap,
#btn-layer-rhizome-violationonly,
#observer-toolbar .btn {
    width: 32px;
    height: 32px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border) !important;
    line-height: 1;
    transition: var(--transition-fast);
}

#btn-layer-rhizome i,
#btn-layer-pad i,
#btn-layer-petal i,
#btn-layer-pad-nogap i,
#btn-layer-rhizome-violationonly i,
#observer-toolbar .btn i {
    font-size: 1.05rem;
    line-height: 1;
}

#btn-layer-rhizome:hover,
#btn-layer-pad:hover,
#btn-layer-petal:hover,
#observer-toolbar .btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.16) !important;
}

@media (max-width: 1100px) {
    .observer-btn-label {
        display: none;
    }

    .observer-view-btn,
    #btn-view-projections,
    #btn-view-components,
    .back-to-welcome-btn {
        padding: 0.32rem 0.48rem;
        min-width: 32px;
        justify-content: center;
    }

    .observer-feature-dropdown {
        min-width: 140px;
        width: 150px;
    }
}

@media (max-width: 760px) {
    .observer-feature-dropdown {
        min-width: 112px;
        width: 120px;
        max-width: 140px;
    }
}

/* Map Wrapper & Toolbar */
#observer-map-wrapper {
    background: radial-gradient(circle at 50% 50%, #0d1424 0%, #080c16 100%);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.6), var(--shadow-card);
    flex: 1 1 0;
    min-height: 0;
    position: relative;
}

#observer-toolbar {
    height: 100%;
    width: fit-content;
    background: rgba(12, 18, 32, 0.85);
    backdrop-filter: blur(8px);
    border-right: 1px solid var(--glass-border);
    box-sizing: border-box;
    padding: 8px 6px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

#observer-toolbar .btn {
    color: var(--text-secondary);
}

#observer-toolbar .btn:hover {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--accent-primary);
    color: #ffffff;
    transform: scale(1.05);
}

#observer-plot-container {
    flex: 1 1 0;
    min-width: 0;
    height: 100%;
}

/* ==========================================================================
   RIGHT PANEL: Selected Item Slot & Others in List Slots
   ========================================================================== */

#observer-right-panel {
    flex: 0 0 440px;
    min-width: 380px;
    max-width: 480px;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    min-height: 0;
    overflow: hidden;
}

/* Selected Item Slot */
#observer-detail-slot {
    background: linear-gradient(180deg, rgba(21, 34, 60, 0.9) 0%, rgba(15, 23, 42, 0.9) 100%);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 14px;
    padding: 0.75rem 1rem;
    box-shadow: var(--shadow-card);
    flex-shrink: 0;
    overflow: visible;
    box-sizing: border-box;
    transition: var(--transition-smooth);
}

#observer-detail-slot:hover {
    border-color: rgba(255, 255, 255, 0.14);
}

/* Store Availability Slot */
#observer-store-slot {
    background: linear-gradient(180deg, rgba(19, 30, 52, 0.9) 0%, rgba(13, 20, 36, 0.9) 100%);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    padding: 0.55rem 0.85rem;
    box-shadow: var(--shadow-card);
    flex-shrink: 0;
    max-height: 128px;
    overflow-y: auto;
    box-sizing: border-box;
    transition: var(--transition-smooth);
}

#observer-store-slot:hover {
    border-color: rgba(255, 255, 255, 0.13);
}

.observer-detail-label {
    display: block;
    color: var(--text-muted);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 0.18rem;
}

.observer-detail-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: repeat(3, minmax(0, auto));
    gap: 0.3rem 0.45rem;
    color: var(--text-primary);
    font-size: 0.8rem;
    margin-bottom: 0;
}

.observer-detail-stats > div {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    padding: 0.22rem 0.45rem;
    min-width: 0;
}

.observer-detail-image-box {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 148px;
    min-height: 148px;
    max-height: 148px;
    margin-bottom: 0.65rem;
    padding: 0.4rem;
    background: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 10px;
    box-sizing: border-box;
    overflow: hidden;
    position: relative;
    transition: height 0.25s cubic-bezier(0.16, 1, 0.3, 1),
                min-height 0.25s cubic-bezier(0.16, 1, 0.3, 1),
                max-height 0.25s cubic-bezier(0.16, 1, 0.3, 1),
                margin-bottom 0.25s ease;
}

.observer-detail-image-box img {
    max-height: 132px;
    max-width: 100%;
    object-fit: contain;
    transition: max-height 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.observer-detail-image-box.focus-image {
    height: 256px;
    min-height: 256px;
    max-height: 256px;
    margin-bottom: 0.35rem;
}

.observer-detail-image-box.focus-image img {
    max-height: 240px !important;
}

.observer-detail-toggle-btn {
    font-size: 0.72rem;
    font-weight: 500;
    color: #94a3b8;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    padding: 0.15rem 0.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    cursor: pointer;
    user-select: none;
    text-decoration: none !important;
    transition: var(--transition-fast);
}

.observer-detail-toggle-btn:hover {
    color: #ffffff;
    background: rgba(99, 102, 241, 0.18);
    border-color: rgba(99, 102, 241, 0.45);
}

.observer-detail-toggle-btn.active {
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.14);
    border-color: rgba(56, 189, 248, 0.4);
}

.observer-detail-toggle-btn:focus,
.observer-detail-toggle-btn:focus-visible {
    box-shadow: none;
    text-decoration: none !important;
}

.observer-theme-chip {
    display: inline-block;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding: 0.12rem 0.45rem;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3) 0%, rgba(139, 92, 246, 0.3) 100%);
    color: #c7d2fe;
    border: 1px solid rgba(99, 102, 241, 0.4);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.observer-detail-stats > div > span:last-child:not(.observer-theme-chip) {
    font-size: 0.86rem;
    color: #ffffff;
}

.observer-detail-divider {
    border-color: var(--glass-border);
    opacity: 1;
    margin: 0.85rem 0;
}

/* Store links */
.observer-detail-store {
    color: var(--text-primary);
    font-size: 0.85rem;
}

.observer-detail-store-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.28rem;
}

.observer-detail-store-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 0.28rem 0.55rem;
    transition: var(--transition-fast);
}

.observer-detail-store-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
}

.observer-detail-store-link {
    color: var(--accent-cyan);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.78rem;
    display: flex;
    align-items: center;
    transition: var(--transition-fast);
}

.observer-detail-store-link:hover {
    color: var(--accent-cyan-hover);
    text-decoration: none;
}

.observer-detail-store-extra {
    font-weight: 700;
    font-size: 0.82rem;
    white-space: nowrap;
    border-radius: 6px;
}

/* ==========================================================================
   Others in List Slots Container
   ========================================================================== */

#observer-list-container {
    background: linear-gradient(180deg, rgba(17, 26, 46, 0.92) 0%, rgba(11, 16, 29, 0.92) 100%);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    padding: 1rem 1.15rem;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    min-height: 0;
    overflow: hidden;
}

/* List Slot Item Card */
.observer-list-slot {
    background: rgba(21, 32, 56, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 0.55rem 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    user-select: none;
    transition: var(--transition-smooth);
}

.observer-list-slot:hover {
    background: rgba(28, 43, 76, 0.85);
    border-color: rgba(99, 102, 241, 0.4);
    transform: translateX(3px);
    box-shadow: var(--shadow-slot);
}

.observer-list-slot.active {
    background: var(--bg-card-active);
    border-color: var(--accent-primary);
    box-shadow: var(--glow-indigo);
}

/* Direct Cell Neighbor with slight shadow and emerald aura */
.observer-list-slot.direct-neighbor {
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.16), 0 0 0 1px rgba(16, 185, 129, 0.25);
    background: rgba(16, 185, 129, 0.05);
}

.observer-list-slot.direct-neighbor:hover {
    box-shadow: 0 6px 18px rgba(16, 185, 129, 0.26), 0 0 0 1px rgba(16, 185, 129, 0.42);
    background: rgba(16, 185, 129, 0.09);
    border-color: rgba(16, 185, 129, 0.4);
}

.observer-list-slot.direct-neighbor.active {
    background: var(--bg-card-active);
    border-color: var(--accent-primary);
    box-shadow: var(--glow-indigo);
}

/* Horizontal Slot Separator between direct cell neighbors and horizon recommendations */
.observer-list-separator {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    margin: 0.85rem 0 0.55rem 0;
    padding: 0 0.25rem;
}

.observer-list-separator.first {
    margin-top: 0.25rem;
}

.observer-list-separator-line {
    flex: 1 1 0;
    height: 1px;
    background: linear-gradient(90deg, rgba(56, 189, 248, 0.4), rgba(255, 255, 255, 0.08));
}

.observer-list-separator-line.reverse {
    background: linear-gradient(270deg, rgba(56, 189, 248, 0.4), rgba(255, 255, 255, 0.08));
}

.observer-list-separator-line.direct {
    background: linear-gradient(90deg, rgba(16, 185, 129, 0.4), rgba(255, 255, 255, 0.08));
}

.observer-list-separator-line.direct.reverse {
    background: linear-gradient(270deg, rgba(16, 185, 129, 0.4), rgba(255, 255, 255, 0.08));
}

.observer-list-separator-text {
    font-size: 0.67rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #38bdf8;
    white-space: nowrap;
}

.observer-list-separator-text.direct {
    color: #10b981;
}

.observer-list-slot-thumb {
    width: 44px;
    height: 44px;
    object-fit: contain;
    border-radius: 6px;
    background: #090d18;
    border: 1px solid rgba(255, 255, 255, 0.07);
    flex-shrink: 0;
}

.observer-list-slot-icon {
    width: 44px;
    height: 44px;
    border-radius: 6px;
    background: #090d18;
    border: 1px solid rgba(255, 255, 255, 0.07);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.observer-list-slot-meta {
    flex: 1 1 0;
    min-width: 0;
}

.observer-list-slot-name {
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
}

.observer-list-slot:hover .observer-list-slot-name {
    color: #ffffff;
}

.observer-list-slot-sub {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: 0.2rem;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 8px;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    transition: var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 102, 241, 0.4);
}

/* ==========================================================================
   Loading Wave Indicator
   ========================================================================== */

._dash-loading-callback::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #4f46e5 0%, #a855f7 50%, #06b6d4 100%);
    background-size: 200% 100%;
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.8);
    z-index: 99999;
    pointer-events: none;
    opacity: 0;
    animation: wave-bar 1.5s linear 200ms infinite, show-bar 0.15s ease-in 200ms forwards;
}

@keyframes wave-bar {
    0% { background-position: 100% 0; }
    100% { background-position: -100% 0; }
}

@keyframes show-bar {
    to { opacity: 1; }
}

/* ==========================================================================
   Gentle Language Selector Pill
   ========================================================================== */

.lang-selector-group {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 9999px;
    padding: 2px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
    user-select: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.lang-selector-group:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.15);
}

.lang-btn {
    border: 1px solid transparent !important;
    background: transparent !important;
    color: #94a3b8 !important;
    font-size: 0.7rem !important;
    font-weight: 500 !important;
    letter-spacing: 0.05em;
    padding: 0.2rem 0.52rem !important;
    border-radius: 9999px !important;
    cursor: pointer;
    line-height: 1.1 !important;
    transition: var(--transition-fast) !important;
}

.lang-btn:hover {
    color: #f8fafc !important;
    background: rgba(255, 255, 255, 0.05) !important;
}

.lang-btn.active {
    background: rgba(99, 102, 241, 0.24) !important;
    color: #ffffff !important;
    font-weight: 600 !important;
    border-color: rgba(99, 102, 241, 0.45) !important;
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.25) !important;
}

.welcome-top-bar {
    width: 100%;
    position: relative;
    z-index: 10;
}

/* Contact Trigger Button (Header) */
.contact-trigger-btn {
    font-size: 0.74rem;
    font-weight: 600;
    color: #38bdf8 !important;
    background: rgba(56, 189, 248, 0.08) !important;
    border: 1px solid rgba(56, 189, 248, 0.25) !important;
    border-radius: 9999px !important;
    padding: 0.2rem 0.65rem !important;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    cursor: pointer;
    user-select: none;
    text-decoration: none !important;
    transition: var(--transition-fast) !important;
}

.contact-trigger-btn:hover {
    color: #ffffff !important;
    background: rgba(56, 189, 248, 0.22) !important;
    border-color: rgba(56, 189, 248, 0.55) !important;
    box-shadow: 0 0 14px rgba(56, 189, 248, 0.3) !important;
}

.contact-trigger-btn:focus,
.contact-trigger-btn:focus-visible {
    box-shadow: none !important;
    text-decoration: none !important;
}

/* Contact Modal Styles */
.contact-modal-content {
    background: linear-gradient(180deg, #111c34 0%, #0b1120 100%) !important;
    border: 1px solid rgba(255, 255, 255, 0.14) !important;
    border-radius: 16px !important;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(56, 189, 248, 0.15) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: #e2e8f0;
}

.contact-modal-header .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
    opacity: 0.6;
    transition: var(--transition-fast);
}

.contact-modal-header .btn-close:hover {
    opacity: 1;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.2s ease;
}

.contact-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(56, 189, 248, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}

.contact-card-icon-box {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.06);
    flex-shrink: 0;
}

.contact-card-icon-box.email {
    background: rgba(234, 179, 8, 0.12);
    border: 1px solid rgba(234, 179, 8, 0.25);
}

.contact-card-icon-box.linkedin {
    background: rgba(14, 165, 233, 0.12);
    border: 1px solid rgba(14, 165, 233, 0.25);
}

.contact-card-hint {
    font-size: 0.72rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.contact-card-value {
    font-size: 0.92rem;
    letter-spacing: 0.01em;
}

.contact-modal-close-btn {
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    color: #cbd5e1 !important;
    border-radius: 8px !important;
    padding: 0.35rem 1rem !important;
    font-size: 0.82rem !important;
    font-weight: 600 !important;
    transition: var(--transition-fast) !important;
}

.contact-modal-close-btn:hover {
    background: rgba(255, 255, 255, 0.15) !important;
    color: #ffffff !important;
}