:root {
    --bg-dark: #06090f;
    --bg-surface: #0c1120;
    --glass-bg: rgba(15, 22, 42, 0.7);
    --glass-bg-light: rgba(25, 35, 60, 0.55);
    --glass-border: rgba(255, 255, 255, 0.07);
    --glass-border-hover: rgba(255, 255, 255, 0.14);
    --primary: #3b82f6;
    --primary-light: #60a5fa;
    --primary-glow: rgba(59, 130, 246, 0.35);
    --accent: #8b5cf6;
    --accent-glow: rgba(139, 92, 246, 0.3);
    --text-main: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.25);
    --danger: #ef4444;
    --danger-glow: rgba(239, 68, 68, 0.25);
    --warning: #f59e0b;
    --warning-glow: rgba(245, 158, 11, 0.25);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    line-height: 1.6;
}

.background-orbs {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
    animation: orbFloat 25s infinite ease-in-out alternate;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #3b82f6, #1d4ed8);
    top: -15%;
    left: -10%;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #8b5cf6, #6d28d9);
    bottom: -15%;
    right: -8%;
    animation-delay: -8s;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, #06b6d4, #0891b2);
    top: 50%;
    left: 60%;
    opacity: 0.2;
    animation-delay: -15s;
}

@keyframes orbFloat {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -20px) scale(1.05); }
    100% { transform: translate(60px, 40px) scale(1); }
}


.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
}

header {
    text-align: center;
    margin-bottom: 2.5rem;
    padding-top: 1rem;
}

header h1 {
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    font-weight: 800;
    background: linear-gradient(135deg, #60a5fa, #a78bfa, #38bdf8);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1.5px;
    animation: gradientShift 6s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-top: 0.4rem;
    font-weight: 300;
    letter-spacing: 0.5px;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow:
        0 4px 30px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.glass-panel:hover {
    border-color: var(--glass-border-hover);
}


.mode-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.8rem;
}

.mode-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    background: rgba(59, 130, 246, 0.12);
    color: var(--primary-light);
    border: 1px solid rgba(59, 130, 246, 0.2);
    transition: all 0.4s ease;
}

.mode-pill .mode-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary-light);
    animation: pulse 2s ease-in-out infinite;
}

.mode-pill[data-mode="image"] {
    background: rgba(139, 92, 246, 0.12);
    color: #a78bfa;
    border-color: rgba(139, 92, 246, 0.2);
}
.mode-pill[data-mode="image"] .mode-dot { background: #a78bfa; }

.mode-pill[data-mode="combined"] {
    background: rgba(6, 182, 212, 0.12);
    color: #22d3ee;
    border-color: rgba(6, 182, 212, 0.2);
}
.mode-pill[data-mode="combined"] .mode-dot { background: #22d3ee; }

.mode-pill[data-mode="empty"] {
    background: rgba(100, 116, 139, 0.12);
    color: var(--text-muted);
    border-color: rgba(100, 116, 139, 0.2);
}
.mode-pill[data-mode="empty"] .mode-dot {
    background: var(--text-muted);
    animation: none;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.8); }
}


.input-card {
    margin-bottom: 2rem;
}

.input-card h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
    color: var(--text-main);
}

.input-card .input-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.input-group {
    margin-bottom: 1.3rem;
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

textarea {
    width: 100%;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 0.9rem 1rem;
    color: var(--text-main);
    font-family: 'Outfit', sans-serif;
    font-size: 0.95rem;
    resize: vertical;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    line-height: 1.5;
}

textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

textarea::placeholder {
    color: var(--text-muted);
}

.file-upload-zone {
    position: relative;
    background: rgba(0, 0, 0, 0.25);
    border: 2px dashed rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 2rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
}

.file-upload-zone:hover {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.04);
}

.file-upload-zone.drag-over {
    border-color: var(--primary-light);
    background: rgba(59, 130, 246, 0.08);
    transform: scale(1.01);
}

.file-upload-zone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    z-index: 2;
}

.upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    pointer-events: none;
}

.upload-icon {
    font-size: 2rem;
    opacity: 0.5;
}

.upload-text {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.upload-hint {
    color: var(--text-muted);
    font-size: 0.75rem;
    opacity: 0.6;
}
.image-preview-container {
    display: none;
    position: relative;
    pointer-events: none;
}

.image-preview-container.active {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.image-preview-thumb {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    border: 2px solid var(--glass-border);
}

.image-preview-info {
    text-align: left;
}

.image-preview-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-main);
    word-break: break-all;
}

.image-preview-size {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.image-remove-btn {
    position: absolute;
    top: -6px;
    right: -6px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--danger);
    color: #fff;
    border: none;
    font-size: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: all;
    z-index: 3;
    transition: transform 0.2s ease;
    line-height: 1;
}

.image-remove-btn:hover {
    transform: scale(1.15);
}

.btn-primary {
    width: 100%;
    padding: 0.9rem;
    border: none;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    font-family: 'Outfit', sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 20px var(--primary-glow);
    margin-top: 0.5rem;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--primary-glow);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.loader {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
    display: none;
}

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

.hidden { display: none !important; }


.results-section {
    margin-top: 2rem;
}

.results-section.animate-in .glass-panel {
    animation: fadeSlideUp 0.5s ease both;
}

.results-section.animate-in .glass-panel:nth-child(1) { animation-delay: 0s; }
.results-section.animate-in .glass-panel:nth-child(2) { animation-delay: 0.1s; }
.results-section.animate-in .glass-panel:nth-child(3) { animation-delay: 0.2s; }
.results-section.animate-in .glass-panel:nth-child(4) { animation-delay: 0.3s; }

@keyframes fadeSlideUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}


.verdict-banner {
    text-align: center;
    padding: 2.5rem 2rem;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
}

.verdict-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, var(--verdict-glow, transparent) 0%, transparent 70%);
    opacity: 0.15;
    pointer-events: none;
}

.verdict-banner .section-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-weight: 400;
}

.verdict-tag {
    display: inline-block;
    padding: 0.7rem 2rem;
    border-radius: 50px;
    font-size: 1.3rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #fff;
    position: relative;
}

.risk-score-display {
    margin-top: 1.2rem;
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.risk-score-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-top: 0.2rem;
}

.logic-summary {
    margin-top: 1.2rem;
    padding: 1rem 1.2rem;
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
    border-left: 3px solid var(--primary);
}

.stat-card {
    margin-bottom: 1.5rem;
}

.stat-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
    color: var(--text-main);
}

.stat-desc {
    color: var(--text-muted);
    font-size: 0.82rem;
    margin-bottom: 1.3rem;
    font-weight: 300;
}


.progress-bar-container {
    margin-bottom: 1rem;
}

.progress-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    margin-bottom: 0.4rem;
    color: var(--text-secondary);
}

.progress-label .prob-value {
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    width: 0%;
}

.fake-fill {
    background: linear-gradient(90deg, #dc2626, #ef4444);
    box-shadow: 0 0 8px var(--danger-glow);
}

.real-fill {
    background: linear-gradient(90deg, #059669, #10b981);
    box-shadow: 0 0 8px var(--success-glow);
}


.gauge-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    padding: 1.5rem 0;
    flex-wrap: wrap;
}

.gauge {
    position: relative;
    width: 140px;
    height: 140px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.gauge svg {
    width: 140px;
    height: 140px;
    transform: rotate(-90deg);
}

.gauge-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.06);
    stroke-width: 8;
}

.gauge-fill {
    fill: none;
    stroke-width: 8;
    stroke-linecap: round;
    transition: stroke-dashoffset 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.gauge-fill.danger {
    stroke: var(--danger);
    filter: drop-shadow(0 0 6px var(--danger-glow));
}

.gauge-fill.success {
    stroke: var(--success);
    filter: drop-shadow(0 0 6px var(--success-glow));
}

.gauge-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.gauge-value {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1;
}

.gauge-value.danger { color: var(--danger); }
.gauge-value.success { color: var(--success); }

.gauge-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.8rem;
    font-weight: 600;
}

.image-comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.image-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.image-panel h4 {
    margin-bottom: 0.8rem;
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.image-panel img {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    object-fit: cover;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.image-panel img:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}


.logic-breakdown {
    margin-top: 1.5rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--glass-border);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.logic-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.7rem;
    font-size: 0.95rem;
    padding: 0.4rem 0;
}

.logic-label {
    color: var(--text-muted);
    font-weight: 400;
}

.logic-value {
    font-weight: 700;
    text-align: right;
}


.evidence-card {
    margin-bottom: 1.5rem;
}

.evidence-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.evidence-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.evidence-item {
    background: rgba(0, 0, 0, 0.25);
    border-left: 3px solid var(--primary);
    padding: 1rem 1.2rem;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    transition: background 0.2s ease, transform 0.2s ease;
}

.evidence-item:hover {
    background: rgba(0, 0, 0, 0.35);
    transform: translateX(3px);
}

.evidence-item.pro { border-left-color: var(--success); }
.evidence-item.con { border-left-color: var(--danger); }

.evidence-source {
    font-weight: 600;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
    color: var(--primary-light);
}

.evidence-source .credibility-tag {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 400;
}

.evidence-snippet {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.6rem;
    line-height: 1.5;
    font-style: italic;
}

.evidence-stance-badge {
    display: inline-block;
    padding: 0.25rem 0.7rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.3px;
}

.badge-pro {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.badge-con {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.no-evidence {
    color: var(--text-muted);
    font-style: italic;
    padding: 1rem;
    text-align: center;
    font-size: 0.9rem;
}

.combined-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.combined-column-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.2rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid var(--glass-border);
}

.column-icon {
    font-size: 1.2rem;
}

.column-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-main);
}

.column-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
    margin-left: auto;
}

.image-status-compact {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.8rem 1rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-dot.safe { background: var(--success); box-shadow: 0 0 6px var(--success-glow); }
.status-dot.danger { background: var(--danger); box-shadow: 0 0 6px var(--danger-glow); }
.status-dot.neutral { background: var(--text-muted); }

.image-status-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.compact-heatmap {
    width: 100%;
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border);
    margin-top: 0.8rem;
}


@media (max-width: 768px) {
    .container {
        padding: 1.2rem 1rem 3rem;
    }

    .image-comparison-grid,
    .combined-grid {
        grid-template-columns: 1fr;
    }

    .gauge-container {
        gap: 1.5rem;
    }

    .verdict-tag {
        font-size: 1.1rem;
        padding: 0.6rem 1.5rem;
    }

    .risk-score-display {
        font-size: 2rem;
    }

    .glass-panel {
        padding: 1.4rem;
    }

    .logic-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.2rem;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 2rem;
    }

    .gauge {
        width: 110px;
        height: 110px;
    }

    .gauge svg {
        width: 110px;
        height: 110px;
    }

    .gauge-value {
        font-size: 1.3rem;
    }
}