@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --border-glass: rgba(255, 255, 255, 0.08);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #6366f1;
    --accent-light: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.3);
    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.2);
    --warning: #f59e0b;
    --error: #ef4444;
    --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a78bfa 100%);
    --gradient-2: linear-gradient(135deg, #0a0e1a 0%, #1e1b4b 50%, #0a0e1a 100%);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background animation */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 40%, rgba(99, 102, 241, 0.06) 0%, transparent 50%),
                radial-gradient(circle at 70% 60%, rgba(139, 92, 246, 0.04) 0%, transparent 50%),
                radial-gradient(circle at 50% 80%, rgba(16, 185, 129, 0.03) 0%, transparent 50%);
    animation: bgFloat 20s ease-in-out infinite;
    z-index: 0;
}

@keyframes bgFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(2%, -2%) rotate(1deg); }
    66% { transform: translate(-1%, 1%) rotate(-1deg); }
}

/* Header */
.header {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 2.5rem 1rem 1.5rem;
}

.header h1 {
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.header .subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 0.4rem;
    font-weight: 400;
}

.header .model-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.8rem;
    padding: 0.35rem 0.9rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 50px;
    font-size: 0.75rem;
    color: var(--accent-light);
    font-weight: 500;
}

.model-badge .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Main layout */
.main-container {
    position: relative;
    z-index: 10;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem 3rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

/* Cards */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 1.5rem;
    transition: border-color 0.3s ease;
}

.card:hover {
    border-color: rgba(99, 102, 241, 0.15);
}

.card-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-title .icon {
    font-size: 1rem;
}

/* Upload area */
.upload-zone {
    border: 2px dashed rgba(99, 102, 241, 0.25);
    border-radius: 12px;
    padding: 2.5rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--bg-glass);
    position: relative;
    overflow: hidden;
}

.upload-zone:hover {
    border-color: var(--accent);
    background: rgba(99, 102, 241, 0.05);
}

.upload-zone.dragover {
    border-color: var(--accent-light);
    background: rgba(99, 102, 241, 0.08);
    transform: scale(1.01);
}

.upload-zone .upload-icon {
    font-size: 2.5rem;
    margin-bottom: 0.8rem;
}

.upload-zone .upload-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.upload-zone .upload-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.4rem;
}

.upload-zone .file-input {
    display: none;
}

/* File info */
.file-info {
    display: none;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1rem;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: 10px;
    margin-top: 1rem;
}

.file-info.visible {
    display: flex;
}

.file-info .file-icon {
    font-size: 1.5rem;
}

.file-info .file-name {
    flex: 1;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-info .file-size {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.file-info .remove-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0.2rem;
    transition: color 0.2s;
}

.file-info .remove-btn:hover {
    color: var(--error);
}

/* Prompt area */
.prompt-section {
    margin-top: 1rem;
}

.prompt-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
    font-weight: 500;
}

.prompt-textarea {
    width: 100%;
    min-height: 90px;
    padding: 0.8rem 1rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    resize: vertical;
    transition: border-color 0.3s;
    outline: none;
}

.prompt-textarea:focus {
    border-color: var(--accent);
}

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

/* Buttons */
.extract-btn {
    width: 100%;
    margin-top: 1rem;
    padding: 0.85rem 1.5rem;
    background: var(--gradient-1);
    border: none;
    border-radius: 10px;
    color: white;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.extract-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 8px 25px var(--accent-glow);
}

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

.extract-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.extract-btn .spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 0.5rem;
}

.extract-btn.loading .spinner {
    display: inline-block;
}

.extract-btn.loading .btn-text {
    opacity: 0.8;
}

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

/* Preview section */
.preview-section {
    margin-top: 1rem;
    display: none;
}

.preview-section.visible {
    display: block;
}

.preview-img {
    width: 100%;
    border-radius: 10px;
    border: 1px solid var(--border-glass);
}

/* Results section */
.results-card {
    display: block;
}

.results-card.visible {
    display: block;
}

/* Result fields */
.result-fields {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.result-field {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 10px;
    padding: 1rem;
    transition: all 0.3s ease;
    position: relative;
}

.result-field:hover {
    border-color: rgba(99, 102, 241, 0.2);
    background: rgba(99, 102, 241, 0.03);
}

.result-field .field-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.4rem;
}

.result-field .field-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    word-break: break-word;
    user-select: all;
    cursor: text;
}

.result-field .copy-btn {
    position: absolute;
    top: 0.6rem;
    right: 0.6rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 6px;
    color: var(--accent-light);
    padding: 0.3rem 0.6rem;
    font-size: 0.7rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Inter', sans-serif;
}

.result-field .copy-btn:hover {
    background: rgba(99, 102, 241, 0.2);
}

.result-field .copy-btn.copied {
    background: var(--success-glow);
    border-color: var(--success);
    color: var(--success);
}

/* Raw text result */
.raw-text-box {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 10px;
    position: relative;
}

.raw-text-box .raw-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.5rem;
}

.raw-text-box pre {
    font-family: 'Inter', monospace;
    font-size: 0.85rem;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-break: break-word;
    user-select: all;
    line-height: 1.6;
    max-height: 300px;
    overflow-y: auto;
}

.raw-text-box .copy-all-btn {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 6px;
    color: var(--accent-light);
    padding: 0.35rem 0.8rem;
    font-size: 0.72rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Inter', sans-serif;
}

.raw-text-box .copy-all-btn:hover {
    background: rgba(99, 102, 241, 0.2);
}

.raw-text-box .copy-all-btn.copied {
    background: var(--success-glow);
    border-color: var(--success);
    color: var(--success);
}

/* Error */
.error-box {
    display: none;
    padding: 1rem;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 10px;
    color: var(--error);
    font-size: 0.85rem;
    margin-top: 1rem;
}

.error-box.visible {
    display: block;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: 10px;
    padding: 0.7rem 1.5rem;
    font-size: 0.85rem;
    color: var(--success);
    font-weight: 500;
    z-index: 100;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Footer */
.footer {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 1.5rem;
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* Responsive */
@media (max-width: 768px) {
    .main-container {
        grid-template-columns: 1fr;
    }
    .header h1 {
        font-size: 1.6rem;
    }
    .result-fields {
        grid-template-columns: 1fr;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.2);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 102, 241, 0.4);
}

/* Markdown Table Styles */
.markdown-body table { border-collapse: collapse; width: 100%; margin-bottom: 1rem; }
.markdown-body th, .markdown-body td { border: 1px solid #ccc; padding: 8px; text-align: left; }
.markdown-body th { background-color: #f3f4f6; }
.markdown-body h1, .markdown-body h2, .markdown-body h3 { margin-top: 0; }