/* UNKLAB-inspired light theme */

:root {
    --primary-color: #5a2d91;
    --primary-dark: #4a1f73;
    --primary-gradient: linear-gradient(135deg, #6d33b5 0%, #8c4dd4 100%);
    --accent-color: #f3c623;
    --accent-soft: #fceaa1;

    --bg-primary: #f7f3fb;
    --bg-secondary: #f1ecf8;
    --bg-card: #ffffff;
    --bg-card-hover: #f9f4ff;

    --text-primary: #261540;
    --text-secondary: #5a476f;
    --text-muted: #8a7a9f;

    --border-color: #e5daf4;
    --shadow-sm: 0 8px 20px rgba(86, 47, 140, 0.08);
    --shadow-md: 0 16px 35px rgba(86, 47, 140, 0.14);
    --shadow-lg: 0 25px 55px rgba(86, 47, 140, 0.18);

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 32px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
}

/* Header */
.header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.header-badge {
    display: inline-block;
    padding: 0.4rem 1.2rem;
    background: rgba(90, 45, 145, 0.08);
    border: 1px solid rgba(90, 45, 145, 0.25);
    color: var(--primary-color);
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.main-title {
    font-size: 2.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, #5a2d91, #8c4dd4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: var(--spacing-sm) 0;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 760px;
    margin: 0 auto;
}

/* Stepper */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.step {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.step.is-active {
    border-color: var(--primary-color);
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.step.is-complete {
    border-color: rgba(90, 45, 145, 0.3);
    opacity: 0.95;
}

.step.is-processing {
    animation: pulseGlow 2s ease-in-out infinite;
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    color: #fff;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    box-shadow: 0 0 0 4px rgba(90, 45, 145, 0.15);
}

.step-title {
    font-size: 1.1rem;
    font-weight: 600;
}

.step-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.step-timer {
    margin-top: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 600;
}

/* Cards */
.main-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(440px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
}

.card-subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
    display: block;
}

.required {
    color: #d43c3c;
}

.file-input-wrapper {
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    cursor: pointer;
    text-align: center;
    position: relative;
    min-height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.file-input-wrapper:hover {
    border-color: var(--primary-color);
    background: rgba(90, 45, 145, 0.08);
}

.file-input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.file-input-display {
    color: var(--text-secondary);
    pointer-events: none;
}

.file-input-text {
    font-size: 1rem;
    font-weight: 600;
}

.file-name-display {
    margin-top: 0.5rem;
    display: none;
    color: var(--text-secondary);
}

.text-input,
.file-input {
    width: 100%;
    padding: 0.9rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: #fff;
    color: var(--text-primary);
}

.text-input:focus,
.file-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(90, 45, 145, 0.15);
}

.file-name-display {
    margin-top: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: none;
}

/* Buttons */
.btn {
    border: none;
    border-radius: var(--radius-lg);
    padding: 0.9rem 1.4rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.25s ease;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--primary-gradient);
    color: #fff;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
}

.spinner {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    animation: spin 0.9s linear infinite;
    display: none;
}

/* Messages */
.result-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    display: none;
}

.result-message.success {
    background: rgba(87, 181, 120, 0.15);
    border: 1px solid rgba(87, 181, 120, 0.35);
    color: #2d8a52;
}

.result-message.error {
    background: rgba(224, 109, 109, 0.14);
    border: 1px solid rgba(224, 109, 109, 0.35);
    color: #a72626;
}

.status-result {
    margin-top: var(--spacing-md);
}

.status-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.status-box.processing {
    border-color: var(--primary-color);
    animation: pulseGlow 2s ease-in-out infinite;
}

.status-box.completed {
    border-color: rgba(54, 199, 108, 0.4);
}

.status-box.error {
    border-color: rgba(220, 88, 88, 0.45);
    animation: none;
}

.status-box.info {
    border-color: rgba(90, 45, 145, 0.3);
    background: rgba(90, 45, 145, 0.05);
}

.token-display {
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    background: #fff;
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    margin: 0.75rem 0;
    word-break: break-all;
}

.status-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.status-timer {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* Review area */
.review-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    margin-top: var(--spacing-xl);
}

.review-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.review-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.review-meta {
    display: flex;
    gap: 1.25rem;
    margin-top: var(--spacing-xs);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.venue-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--accent-soft);
    color: var(--primary-dark);
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.85rem;
}

.date-text {
    color: var(--text-secondary);
}

.review-content {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: var(--spacing-xl);
}

.review-sidebar {
    position: sticky;
    top: var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-md);
    height: fit-content;
}

.sidebar-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.sidebar-link {
    padding: 0.45rem 0.8rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
}

.sidebar-link:hover {
    background: var(--bg-secondary);
}

.sidebar-link.active {
    background: var(--primary-gradient);
    color: #fff;
    box-shadow: 0 8px 20px rgba(90, 45, 145, 0.25);
}

.review-section-content {
    margin-bottom: var(--spacing-xl);
    background: var(--bg-card);
    border-radius: var(--radius-md);
}

.review-section-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.review-section-content ul {
    list-style: none;
}

.review-section-content li {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    border-left: 3px solid var(--primary-color);
}

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

@keyframes pulseGlow {
    0% { box-shadow: 0 0 0 0 rgba(90, 45, 145, 0.35); }
    70% { box-shadow: 0 0 25px 15px rgba(90, 45, 145, 0); }
    100% { box-shadow: 0 0 0 0 rgba(90, 45, 145, 0); }
}

/* Responsive */
@media (max-width: 900px) {
    .main-grid { grid-template-columns: 1fr; }
    .review-content { grid-template-columns: 1fr; }
    .review-sidebar { position: static; }
    .process-steps { grid-template-columns: 1fr; }
    .main-title { font-size: 2.2rem; }
}