/* SilvaReport — Global Stylesheet */

:root {
    --color-primary: #1e4d2b;
    --color-primary-light: #2d6a3f;
    --color-primary-subtle: #e9f5ee;
    --color-surface: #f7faf8;
    --color-success: #2e7d47;
    --color-danger: #c9302c;
    --color-info: #0f7b8a;
    --color-text: #1a1a2e;
    --color-text-secondary: #5a6872;
    --color-border: #d4ddd7;
    --font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: var(--font-family);
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background-color: var(--color-surface);
    line-height: 1.6;
    color: var(--color-text);
}

a { color: var(--color-primary); }

/* Site Header */
.site-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: #fff;
    padding: 24px;
    border-radius: var(--radius-lg);
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    position: relative;
}
.site-logo {
    flex-shrink: 0;
}
.site-logo img {
    height: 48px;
    width: auto;
    display: block;
    filter: brightness(0) invert(1);
}
.site-header > div {
    flex: 1;
    text-align: center;
}
.site-header h1 {
    margin: 0;
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
}
.site-header p {
    margin: 4px 0 0;
    font-size: 14px;
    opacity: 0.85;
}

/* Site Nav */
.site-nav {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--color-text-secondary);
}
.site-nav a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: var(--radius);
    transition: background 0.2s;
}
.site-nav a:hover {
    background: var(--color-primary-subtle);
}

/* Flash Messages */
.flash-messages { margin: 20px 0; }
.flash-error {
    color: #721c24;
    background: #f8d7da;
    padding: 12px 16px;
    border: 1px solid #f5c6cb;
    border-radius: var(--radius);
}
.flash-success {
    color: #155724;
    background: #d4edda;
    padding: 12px 16px;
    border: 1px solid #c3e6cb;
    border-radius: var(--radius);
}

/* Card */
.card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin: 20px 0;
    box-shadow: var(--shadow);
}
.card h2 { margin-top: 0; color: var(--color-primary); }
.card h3 { margin-top: 0; color: var(--color-primary); }

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    font-family: var(--font-family);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: background 0.2s, transform 0.15s;
    color: #fff;
    background: var(--color-primary);
    line-height: 1.4;
}
.btn:hover {
    background: var(--color-primary-light);
    transform: translateY(-1px);
}
.btn--success { background: var(--color-success); }
.btn--success:hover { background: #24633a; }
.btn--danger { background: var(--color-danger); }
.btn--danger:hover { background: #a82824; }
.btn--info { background: var(--color-info); }
.btn--info:hover { background: #0a5f6b; }
.btn--outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}
.btn--outline:hover {
    background: var(--color-primary-subtle);
    transform: none;
}
.btn--secondary { background: #6c757d; }
.btn--secondary:hover { background: #565e64; }
.btn--lg {
    padding: 14px 32px;
    font-size: 16px;
}
.btn--sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    background: #6c757d;
}
.badge--info { background: var(--color-info); }
.badge--danger { background: var(--color-danger); }
.badge--success { background: var(--color-success); }

/* Dropzone */
.dropzone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: 48px 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    color: var(--color-text-secondary);
}
.dropzone:hover {
    border-color: var(--color-primary-light);
    background: var(--color-primary-subtle);
}
.dropzone--active {
    border-color: var(--color-primary);
    background: var(--color-primary-subtle);
}
.dropzone__icon {
    font-size: 48px;
    margin-bottom: 12px;
    display: block;
}
.dropzone__title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
}
.dropzone__separator {
    font-size: 13px;
    margin: 8px 0;
    color: var(--color-text-secondary);
}
.dropzone__hint {
    font-size: 13px;
    margin-top: 12px;
    color: var(--color-text-secondary);
}

/* File Card */
.file-card {
    display: flex;
    align-items: center;
    padding: 14px;
    margin: 8px 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
}
.file-card__body { flex: 1; }
.file-card__name {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}
.file-card__meta {
    font-size: 13px;
    color: var(--color-text-secondary);
    display: flex;
    gap: 16px;
}
.file-card__actions { margin-left: 16px; }

/* Notification */
.notification {
    padding: 12px 20px;
    border-radius: var(--radius);
    margin: 0 0 16px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.notification--error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}
.notification--success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}
.notification__close {
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    color: inherit;
    padding: 0 4px;
}

/* Overlay / Processing Screen */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}
.overlay__dialog {
    background: #fff;
    padding: 40px;
    border-radius: var(--radius-lg);
    text-align: center;
    max-width: 480px;
    width: 90%;
    box-shadow: var(--shadow-lg);
}
.overlay__dialog h2 {
    color: var(--color-primary);
    margin: 0 0 12px;
}
.overlay__dialog p {
    color: var(--color-text-secondary);
    margin: 0 0 16px;
}

/* Progress Bar */
.progress-bar {
    background: #e0e0e0;
    border-radius: 10px;
    height: 24px;
    overflow: hidden;
    margin-bottom: 8px;
}
.progress-bar__fill {
    background: var(--color-primary);
    height: 100%;
    width: 0%;
    border-radius: 10px;
    transition: width 0.5s ease;
}

/* Spinner */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid #e0e0e0;
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: inline-block;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Stat Card */
.stat-card {
    background: #fff;
    padding: 20px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    text-align: center;
    box-shadow: var(--shadow);
}
.stat-card__label {
    margin: 0;
    font-size: 14px;
    color: var(--color-text-secondary);
    font-weight: 600;
}
.stat-card__value {
    font-size: 24px;
    font-weight: 700;
    margin-top: 8px;
}
.stat-card__value--success { color: var(--color-success); }
.stat-card__value--primary { color: var(--color-primary); }
.stat-card__value--info { color: var(--color-info); }

/* Stat Grid */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

/* Data Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.data-table th {
    background: var(--color-primary-subtle);
    padding: 12px;
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid var(--color-border);
}
.data-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--color-border);
}
.data-table tr:hover { background: var(--color-primary-subtle); }
.data-table .text-right { text-align: right; }
.data-table .text-center { text-align: center; }
.data-table .text-bold { font-weight: 600; }
.data-table .cell-truncate {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.data-table .cell-highlight {
    background: var(--color-primary-subtle);
    font-weight: 600;
}

/* Filter Form */
.filter-form {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    flex-wrap: wrap;
}
.filter-form label {
    display: block;
    margin-bottom: 4px;
    font-weight: 600;
    font-size: 13px;
}
.filter-form input {
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: var(--font-family);
    font-size: 14px;
}

/* Email Entry */
.email-entry {
    max-width: 520px;
    margin: 60px auto;
    text-align: center;
}
.email-entry__tagline {
    color: var(--color-text-secondary);
    font-size: 16px;
    margin-bottom: 32px;
}
.email-entry input[type="email"] {
    width: 100%;
    max-width: 400px;
    padding: 14px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 16px;
    font-family: var(--font-family);
    text-align: center;
    margin-bottom: 16px;
}
.email-entry input[type="email"]:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Warning box */
.warning-box {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    padding: 16px;
    margin: 16px 0;
    border-radius: var(--radius);
}
.warning-box h4 { color: var(--color-danger); margin-top: 0; }
.warning-box li { color: var(--color-danger); }

/* Cost display */
.cost-display {
    background: linear-gradient(135deg, var(--color-primary-subtle) 0%, #f0f8f0 100%);
    padding: 16px;
    margin: 16px 0;
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

/* Markdown box */
.markdown-box {
    border: 1px solid var(--color-border);
    padding: 20px;
    margin: 16px 0;
    background: var(--color-surface);
    max-height: 500px;
    overflow-y: auto;
    border-radius: var(--radius);
    font-family: 'Courier New', monospace;
    font-size: 14px;
}

/* Upload status */
.upload-status {
    margin-top: 12px;
    font-weight: 600;
    display: none;
}

/* Process section */
.process-section {
    margin-top: 24px;
    text-align: center;
    padding: 20px;
    border-top: 1px solid var(--color-border);
    display: none;
}

/* Actions section (results page) */
.actions-section {
    max-width: 820px;
    margin: 30px auto;
    background: #fff;
    padding: 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    text-align: center;
    box-shadow: var(--shadow);
}
.actions-header {
    background: var(--color-primary);
    color: #fff;
    padding: 10px;
    margin: -24px -24px 20px -24px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* Export footer */
.export-footer {
    margin-top: 20px;
    text-align: center;
    padding: 16px;
    border-top: 1px solid var(--color-border);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--color-text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    body { padding: 12px; }
    .site-header h1 { font-size: 22px; }
    .site-logo img { height: 36px; }
    .card { padding: 20px; }
    .btn--lg { padding: 12px 24px; font-size: 15px; }
    .dropzone { padding: 32px 16px; }
    .filter-form { flex-direction: column; align-items: stretch; }
    .file-card { flex-direction: column; align-items: flex-start; gap: 12px; }
    .file-card__actions { margin-left: 0; }
    .stat-grid { grid-template-columns: 1fr; }
}

/* Print */
@media print {
    body {
        max-width: none;
        margin: 0;
        padding: 0;
        background: #fff;
    }
    .btn, .site-header, .site-nav, .dropzone,
    .cost-display, .actions-section, .filter-form { display: none !important; }
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* Admin Dashboard */
.admin-bar {
    display: flex;
    align-items: center;
    background: var(--color-primary);
    color: #fff;
    padding: 10px 16px;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 24px;
}
.admin-bar .btn--outline { color: #fff; border-color: rgba(255,255,255,0.4); }
.admin-bar .btn--outline:hover { background: rgba(255,255,255,0.15); }
.admin-actions { white-space: nowrap; }
.admin-actions .btn { margin-left: 4px; }
.edit-row td { background: var(--color-primary-subtle); }
.edit-form {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    flex-wrap: wrap;
    padding: 8px 0;
}
.edit-form label {
    display: flex;
    flex-direction: column;
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-secondary);
}
.edit-form input {
    margin-top: 2px;
    padding: 6px 8px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 13px;
}