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

/* ==============================================================================
   AETHERMAP PREMIUM DESIGN SYSTEM v2.0
   Futuristic, Glassmorphic, Animated
============================================================================== */

/* <<< THEME VARIABLES >>> */
:root,
[data-bs-theme="light"] {
    --bg-color: #f0f2f5;
    --bg-gradient-1: #e0e5ec;
    --bg-gradient-2: #f5f7fa;
    --bg-gradient-3: #e8ecf1;
    --card-bg: rgba(255, 255, 255, 0.6);
    --card-bg-hover: rgba(255, 255, 255, 0.8);
    --card-border: rgba(0, 0, 0, 0.06);
    --text-primary: #0a0a0a;
    --text-secondary: #64748b;
    --accent-color: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-tertiary: #ec4899;
    --accent-glow: rgba(99, 102, 241, 0.15);
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --glass-blur: 20px;
    --glass-border: 1px solid rgba(255, 255, 255, 0.5);
    --grid-color: rgba(0, 0, 0, 0.03);
    --modal-bg: rgba(255, 255, 255, 0.95);
    --input-bg: rgba(255, 255, 255, 0.6);
    --btn-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --btn-text: #ffffff;
    --glow-color: rgba(99, 102, 241, 0.5);

    /* Specific Components */
    --navbar-bg: rgba(255, 255, 255, 0.7);
    --accordion-btn-bg: rgba(255, 255, 255, 0.5);
    --plot-bg: rgba(255, 255, 255, 0.3);
    --shimmer-color: rgba(255, 255, 255, 0.6);
}

[data-bs-theme="dark"] {
    --bg-color: #030303;
    --bg-gradient-1: #0a0a1a;
    --bg-gradient-2: #1a0a2e;
    --bg-gradient-3: #0a1a2e;
    --card-bg: rgba(15, 15, 25, 0.6);
    --card-bg-hover: rgba(25, 25, 40, 0.8);
    --card-border: rgba(255, 255, 255, 0.06);
    --text-primary: #f0f0f0;
    --text-secondary: #94a3b8;
    --accent-color: #818cf8;
    --accent-secondary: #a78bfa;
    --accent-tertiary: #f472b6;
    --accent-glow: rgba(129, 140, 248, 0.15);
    --success-color: #34d399;
    --warning-color: #fbbf24;
    --glass-blur: 24px;
    --glass-border: 1px solid rgba(255, 255, 255, 0.08);
    --grid-color: rgba(255, 255, 255, 0.02);
    --modal-bg: rgba(10, 10, 20, 0.95);
    --input-bg: rgba(255, 255, 255, 0.03);
    --btn-gradient: linear-gradient(135deg, #818cf8 0%, #a78bfa 50%, #f472b6 100%);
    --btn-text: #0a0a0a;
    --glow-color: rgba(129, 140, 248, 0.6);

    /* Specific Components */
    --navbar-bg: rgba(5, 5, 15, 0.8);
    --accordion-btn-bg: rgba(255, 255, 255, 0.02);
    --plot-bg: rgba(10, 10, 20, 0.4);
    --shimmer-color: rgba(255, 255, 255, 0.1);
}

:root {
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;
}

/* <<< CLEAN BACKGROUND >>> */
body {
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.3s ease;
    position: relative;
}

/* Subtle grid pattern only - no aurora */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -1;
    opacity: 0.6;
}

/* <<< UTILITIES >>> */
.text-muted {
    color: var(--text-secondary) !important;
}

.gradient-text {
    background: var(--btn-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* <<< GLASS PANELS >>> */
.glass-panel,
.card,
.scribe-wing,
#plotContainer,
.accordion-item {
    background: var(--card-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(180%);
    border: var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

/* Subtle hover - just elevation, no glow */
.glass-panel:hover,
.card:hover {
    background: var(--card-bg-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

/* <<< NAVBAR >>> */
.navbar {
    background: var(--navbar-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--card-border);
    padding: 0.9rem 0;
    transition: all 0.3s ease;
}

.navbar-brand {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1.1rem;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header-logo {
    width: 32px;
    height: 32px;
    filter: drop-shadow(0 0 12px var(--accent-glow));
    animation: logoFloat 4s ease-in-out infinite;
}

@keyframes logoFloat {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-3px) rotate(2deg);
    }
}

/* <<< MAIN CONTAINERS >>> */
main.container-fluid {
    padding: 0 2.5rem;
    max-width: 1900px;
    margin: 0 auto;
}

/* <<< PREMIUM BUTTONS >>> */
.btn-primary {
    background: var(--btn-gradient);
    background-size: 200% 200%;
    color: var(--btn-text);
    border: none;
    border-radius: 12px;
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: -0.01em;
    padding: 0.75rem 1.5rem;
    box-shadow:
        0 4px 15px rgba(99, 102, 241, 0.3),
        0 0 0 0 rgba(99, 102, 241, 0);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--shimmer-color), transparent);
    transition: left 0.6s ease;
}

.btn-primary:hover {
    background-position: 100% 0;
    transform: translateY(-3px) scale(1.02);
    box-shadow:
        0 8px 25px rgba(99, 102, 241, 0.4),
        0 0 40px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:active {
    transform: translateY(-1px) scale(0.98);
}

.btn-outline-primary {
    background: transparent;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    border-radius: 10px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: var(--accent-color);
    color: var(--btn-text);
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-accent {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(6, 182, 212, 0.5);
    color: white;
}

/* <<< CUSTOM FILE INPUT >>> */
.file-upload-wrapper {
    position: relative;
    overflow: hidden;
    display: inline-block;
    width: 100%;
}

.file-upload-wrapper input[type=file] {
    font-size: 100px;
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    cursor: pointer;
}

.file-upload-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--input-bg);
    border: 2px dashed var(--card-border);
    border-radius: 12px;
    padding: 0.8rem 1.2rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.file-upload-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--btn-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.file-upload-wrapper:hover .file-upload-btn {
    border-color: var(--accent-color);
    border-style: solid;
    color: var(--text-primary);
    box-shadow: 0 0 20px var(--accent-glow);
}

.file-upload-wrapper:hover .file-upload-btn::before {
    opacity: 0.1;
}

/* <<< CUSTOM RANGE SLIDER >>> */
.form-range {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-secondary));
    border-radius: 3px;
    outline: none;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.form-range:hover {
    opacity: 1;
}

.form-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--text-primary);
    cursor: pointer;
    box-shadow:
        0 0 10px rgba(0, 0, 0, 0.3),
        0 0 20px var(--accent-glow);
    transition: transform 0.2s, box-shadow 0.2s;
    border: 3px solid var(--bg-color);
}

.form-range::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow:
        0 0 15px rgba(0, 0, 0, 0.4),
        0 0 30px var(--accent-glow);
}

/* <<< ACCORDION >>> */
.accordion-item {
    background: transparent !important;
    border: var(--glass-border) !important;
    border-radius: 16px !important;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.accordion-button {
    background: var(--accordion-btn-bg) !important;
    color: var(--text-primary) !important;
    font-family: var(--font-display);
    font-weight: 500;
    box-shadow: none !important;
    font-size: 0.95rem;
    padding: 1rem 1.25rem;
    transition: all 0.3s ease;
}

.accordion-button:not(.collapsed) {
    background: rgba(99, 102, 241, 0.1) !important;
    color: var(--accent-color) !important;
}

.accordion-button::after {
    filter: invert(0.5);
    transition: transform 0.3s ease;
}

[data-bs-theme="dark"] .accordion-button::after {
    filter: invert(1) opacity(0.5);
}

.accordion-body {
    background: var(--input-bg);
    padding: 1.5rem;
}

/* <<< PLOT CONTAINER & HERO >>> */
#plotContainer {
    background: var(--plot-bg);
    min-height: 75vh;
    position: relative;
    border: 1px solid var(--card-border);
}

#plotContainer::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    border-radius: 20px;
    box-shadow: inset 0 0 60px rgba(99, 102, 241, 0.1);
}

/* Corner Decorations */
#plotContainer .corner-decoration {
    position: absolute;
    width: 30px;
    height: 30px;
    border: 2px solid var(--accent-color);
    opacity: 0.5;
}

#emptyState {
    background: transparent;
}

.hero-icon-container {
    position: relative;
    display: inline-block;
    margin-bottom: 2.5rem;
}

.hero-icon {
    font-size: 5rem;
    color: var(--text-primary);
    opacity: 0.9;
    z-index: 2;
    position: relative;
    animation: iconFloat 6s ease-in-out infinite;
}

@keyframes iconFloat {

    0%,
    100% {
        transform: translateY(0) rotateY(0deg);
    }

    25% {
        transform: translateY(-10px) rotateY(5deg);
    }

    50% {
        transform: translateY(-5px) rotateY(0deg);
    }

    75% {
        transform: translateY(-10px) rotateY(-5deg);
    }
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150px;
    height: 150px;
    background: var(--btn-gradient);
    filter: blur(60px);
    opacity: 0.4;
    border-radius: 50%;
    z-index: 1;
    animation: pulseGlow 4s ease-in-out infinite;
}

@keyframes pulseGlow {

    0%,
    100% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(0.8);
    }

    50% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1.2);
    }
}

/* Hero Text */
#emptyState h2 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.8rem;
    background: var(--btn-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* <<< SCRIBE WING >>> */
.scribe-wing {
    height: 75vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

#scribe-wing-content {
    overflow-y: auto;
    padding: 1.5rem;
    flex-grow: 1;
}

/* <<< SEARCH & INPUTS >>> */
#searchInput {
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    border-radius: 12px;
    padding: 0.9rem 1.2rem;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#searchInput:focus {
    border-color: var(--accent-color);
    box-shadow:
        0 0 0 3px var(--accent-glow),
        0 0 30px var(--accent-glow);
    background: var(--card-bg);
}

#searchInput::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.input-group-text {
    border: 1px solid var(--card-border);
    background: var(--input-bg);
    border-right: none;
    color: var(--text-secondary);
    border-radius: 12px 0 0 12px;
}

/* <<< CLUSTER CARDS >>> */
.cluster-card {
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1.25rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.cluster-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--btn-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cluster-card:hover {
    background: var(--card-bg-hover);
    border-color: var(--accent-color);
    transform: translateX(4px);
    box-shadow: 0 4px 20px var(--accent-glow);
}

.cluster-card:hover::before {
    opacity: 1;
}

.cluster-title {
    font-family: var(--font-display);
    font-weight: 600;
}

/* <<< SEARCH RESULTS >>> */
.search-result-item {
    border-bottom: 1px solid var(--card-border);
    padding: 1.25rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.search-result-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: var(--btn-gradient);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.search-result-item:hover {
    background: var(--card-bg-hover);
    padding-left: 1.5rem;
}

.search-result-item:hover::before {
    transform: scaleY(1);
}

.search-result-score {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-secondary));
    color: white;
    padding: 3px 8px;
    border-radius: 6px;
    font-family: 'Space Grotesk', monospace;
    font-size: 0.75rem;
    font-weight: 600;
    box-shadow: 0 2px 8px var(--accent-glow);
}

/* <<< MODAL >>> */
.modal-content {
    background: var(--modal-bg);
    backdrop-filter: blur(30px) saturate(200%);
    -webkit-backdrop-filter: blur(30px) saturate(200%);
    border: 1px solid var(--card-border);
    box-shadow:
        0 25px 60px rgba(0, 0, 0, 0.4),
        0 0 100px var(--accent-glow);
    color: var(--text-primary);
    border-radius: 20px;
}

.modal-header {
    border-color: var(--card-border);
    padding: 1.25rem 1.5rem;
}

.modal-title {
    font-family: var(--font-display);
}

.modal-footer {
    border-color: var(--card-border);
}

.btn-close {
    filter: invert(1);
    opacity: 0.5;
    transition: all 0.2s ease;
}

.btn-close:hover {
    opacity: 1;
    transform: rotate(90deg);
}

[data-bs-theme="light"] .btn-close {
    filter: invert(0);
}

.document-text-area {
    background: var(--bg-color);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    font-family: 'Inter', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    border-radius: 12px;
}

/* <<< CUSTOM LOADING SPINNER >>> */
#loadingSection .spinner-border {
    width: 3rem;
    height: 3rem;
    border-width: 3px;
    border-color: var(--accent-color);
    border-right-color: transparent;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

#loadingSection p {
    font-family: var(--font-display);
    letter-spacing: 0.2em;
    font-size: 0.8rem;
    color: var(--accent-color);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }
}

/* <<< SCROLLBAR >>> */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--accent-color), var(--accent-secondary));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--accent-secondary), var(--accent-tertiary));
}

/* <<< THEME TOGGLE >>> */
.theme-toggle-btn {
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.theme-toggle-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--btn-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 50%;
}

.theme-toggle-btn:hover {
    transform: rotate(180deg) scale(1.1);
    box-shadow: 0 0 20px var(--accent-glow);
}

.theme-toggle-btn:hover::before {
    opacity: 0.2;
}

/* <<< BADGES >>> */
.badge {
    font-family: var(--font-display);
    font-weight: 500;
    padding: 0.4em 0.8em;
    border-radius: 6px;
}

.badge.text-bg-secondary {
    background: var(--card-bg) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--card-border);
}

/* <<< METRICS CARDS >>> */
#metrics-container h5 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.8rem;
    background: var(--btn-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

#metrics-container small {
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* <<< CHART AREA >>> */
.chart-container {
    position: relative;
}

/* <<< RESPONSIVE >>> */
@media (max-width: 991px) {
    main.container-fluid {
        padding: 0 1rem;
    }

    #plotContainer,
    .scribe-wing {
        height: 60vh;
        min-height: 400px;
    }

    .hero-icon {
        font-size: 3.5rem;
    }
}

/* <<< FADE IN ANIMATION >>> */
.fade-in-section {
    animation: fadeInUp 0.6s ease-out forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* <<< HOVER UTILITIES >>> */
.hover-white:hover {
    color: var(--text-primary) !important;
}

/* <<< SABIO (AI) CARD STYLING >>> */
.sabio-card {
    background: rgba(20, 20, 30, 0.95);
    border-radius: 12px;
    border: 1px solid var(--warning-color);
    border-left: 4px solid var(--warning-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.sabio-card .card-body {
    padding: 1rem 1.25rem;
}

.sabio-card .card-title {
    font-family: var(--font-display);
    color: #ffffff;
    font-size: 1rem;
}

.sabio-card .card-text {
    color: #e5e7eb;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Light mode adjustment */
[data-bs-theme="light"] .sabio-card {
    background: rgba(255, 255, 255, 0.95);
    border-color: var(--warning-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

[data-bs-theme="light"] .sabio-card .card-title {
    color: #1f2937;
}

[data-bs-theme="light"] .sabio-card .card-text {
    color: #374151;
}

/* <<< SCRIBE WING SCROLL >>> */
.scribe-wing {
    max-height: calc(100vh - 200px);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-color) transparent;
}

.scribe-wing::-webkit-scrollbar {
    width: 6px;
}

.scribe-wing::-webkit-scrollbar-track {
    background: transparent;
}

.scribe-wing::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 3px;
}

.scribe-wing::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
}