/* ═══════════════════════════════════════════════════════════════
   PREMIUM DOCUMENTS STYLES
   Dark theme con paleta oro y oscura
   ═══════════════════════════════════════════════════════════════ */

:root {
    --gold-primary: #ffd700;
    --gold-accent: #d4af37;
    --gold-light: rgba(212, 175, 55, 0.15);
}

.premium-documents-container {
    padding: 2rem;
    max-width: 1600px;
    margin: 0 auto;
    background: var(--bg-primary);
    min-height: 100vh;
}

/* ─────────────────────────────────────────────────────────────
   HEADER
   ───────────────────────────────────────────────────────────── */

.premium-docs-header {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border-radius: 16px;
    padding: 2.5rem;
    margin-bottom: 2rem;
    border-left: 6px solid var(--gold-accent);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border);
}

.premium-docs-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(212, 175, 55, 0.15);
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--gold-accent);
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    border: 1px solid rgba(212, 175, 55, 0.3);
}

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

.premium-docs-title {
    font-size: 2.5rem;
    margin: 1rem 0 0.5rem 0;
    color: var(--text-primary);
    font-weight: 800;
}

.premium-docs-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 0;
    font-weight: 400;
}

/* ─────────────────────────────────────────────────────────────
   TYPE SELECTOR
   ───────────────────────────────────────────────────────────── */

.premium-docs-tabs {
    margin-bottom: 2rem;
}

.doc-type-selector {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.doc-type-btn {
    padding: 0.8rem 1.5rem;
    background: transparent;
    border: 2px solid rgba(212, 175, 55, 0.3);
    border-radius: 10px;
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.doc-type-btn:hover {
    border-color: var(--gold-accent);
    color: var(--gold-accent);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.2);
    background: rgba(212, 175, 55, 0.1);
}

.doc-type-btn.active {
    background: linear-gradient(135deg, var(--gold-accent), rgba(212, 175, 55, 0.8));
    border-color: var(--gold-accent);
    color: #000;
}

/* ─────────────────────────────────────────────────────────────
   CONTENT LAYOUT
   ───────────────────────────────────────────────────────────── */

.premium-docs-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 1024px) {
    .premium-docs-content {
        grid-template-columns: 1fr;
    }
}

.premium-docs-form-panel {
    background: var(--bg-glass);
    border-radius: 12px;
    padding: 2rem;
    border: var(--glass-border);
    backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow-soft);
    max-height: 90vh;
    overflow-y: auto;
}

.doc-selector {
    margin-bottom: 2rem;
}

.doc-tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: nowrap;
    border-bottom: 2px solid var(--border);
    padding-bottom: 1rem;
    overflow-x: auto;
}

.doc-tab {
    padding: 0.8rem 1.2rem;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    border-radius: 0;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-muted);
    transition: all 0.3s ease;
    font-size: 0.9rem;
    white-space: nowrap;
}

.doc-tab:hover {
    color: var(--gold-accent);
    border-bottom-color: var(--gold-accent);
}

.doc-tab.active {
    color: var(--gold-accent);
    border-bottom-color: var(--gold-accent);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.2);
}

.premium-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* ─────────────────────────────────────────────────────────────
   FORM SECTIONS
   ───────────────────────────────────────────────────────────── */

.form-section {
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-section-title {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border);
}

.form-group {
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 0.8rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--gold-accent);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
    background: rgba(255, 255, 255, 0.12);
}

.form-group.checkbox {
    flex-direction: row;
    align-items: center;
}

.form-group.checkbox input {
    width: 20px;
    height: 20px;
    margin-right: 0.5rem;
    cursor: pointer;
}

.form-group.checkbox label {
    margin: 0;
    cursor: pointer;
    font-weight: 500;
}

/* ─────────────────────────────────────────────────────────────
   METRIC Y GUIDE ITEMS
   ───────────────────────────────────────────────────────────── */

.metric-item,
.guide-section-item {
    background: rgba(212, 175, 55, 0.08);
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid var(--gold-accent);
    border: 1px solid var(--border);
    margin-bottom: 1rem;
}

.metric-item .form-grid,
.guide-section-item .form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.75rem;
}

.btn-secondary-sm {
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

.btn-danger-sm {
    padding: 0.5rem 0.8rem;
    font-size: 0.8rem;
}

/* ─────────────────────────────────────────────────────────────
   PREVIEW PANEL
   ───────────────────────────────────────────────────────────── */

.premium-docs-preview-panel {
    background: var(--bg-glass);
    border-radius: 12px;
    padding: 2rem;
    border: var(--glass-border);
    backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow-soft);
    max-height: 90vh;
    overflow-y: auto;
}

.preview-panel-title {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.doc-preview-area {
    min-height: 500px;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.empty-preview-doc {
    text-align: center;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.empty-preview-doc .icon {
    font-size: 3rem;
    opacity: 0.3;
}

/* ─────────────────────────────────────────────────────────────
   CERTIFICATE PREVIEW
   ───────────────────────────────────────────────────────────── */

.cert-preview {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(212, 175, 55, 0.08) 100%);
    border: 3px double var(--gold-accent);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    font-family: 'Georgia', serif;
    color: var(--text-primary);
}

.cert-header {
    margin-bottom: 2rem;
}

.cert-logo {
    background: linear-gradient(135deg, var(--gold-accent), var(--gold-primary));
    color: #000;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 2rem;
    margin: 0 auto;
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.4);
}

.cert-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gold-accent);
    margin: 2rem 0 1rem 0;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.cert-client-name {
    font-size: 1.8rem;
    font-weight: 600;
    margin: 2rem 0;
    color: var(--lime-primary);
}

.cert-content {
    font-size: 1rem;
    margin: 2rem 0;
    line-height: 1.8;
    color: var(--text-secondary);
}

.cert-footer {
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 2px solid var(--gold-accent);
}

.signature-line {
    margin-top: 2rem;
    font-size: 1.5rem;
    color: var(--text-primary);
}

/* ─────────────────────────────────────────────────────────────
   REPORT PREVIEW
   ───────────────────────────────────────────────────────────── */

.report-preview {
    font-family: 'Arial', sans-serif;
}

.report-preview h2 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.report-preview p {
    margin: 0.5rem 0;
    color: var(--text-secondary);
}

.report-table {
    width: 100%;
    margin-top: 1rem;
    border-collapse: collapse;
}

.report-table thead {
    background: linear-gradient(135deg, var(--gold-accent), rgba(212, 175, 55, 0.8));
    color: #000;
}

.report-table th {
    padding: 0.8rem;
    text-align: left;
    font-weight: 700;
}

.report-table td {
    padding: 0.8rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}

.report-table tbody tr:nth-child(even) {
    background: rgba(212, 175, 55, 0.05);
}

/* ─────────────────────────────────────────────────────────────
   GUIDE PREVIEW
   ───────────────────────────────────────────────────────────── */

.guide-preview {
    font-family: 'Arial', sans-serif;
}

.guide-preview h2 {
    color: var(--lime-primary);
    margin-bottom: 2rem;
    font-size: 1.8rem;
    font-weight: 800;
}

.guide-section {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.guide-section:last-child {
    border-bottom: none;
}

.guide-section h3 {
    color: var(--gold-accent);
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    font-weight: 700;
}

.guide-section p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ─────────────────────────────────────────────────────────────
   BOTONES
   ───────────────────────────────────────────────────────────── */

.btn-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.action-buttons {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border);
}

/* Responsive improvements */
@media (max-width: 768px) {
    .premium-documents-container {
        padding: 1rem;
    }

    .premium-docs-header {
        padding: 1.5rem;
    }

    .premium-docs-title {
        font-size: 1.8rem;
    }

    .doc-type-selector {
        flex-direction: column;
    }

    .doc-type-btn {
        width: 100%;
    }

    .premium-docs-content {
        grid-template-columns: 1fr;
    }

    .premium-docs-form-panel,
    .premium-docs-preview-panel {
        max-height: auto;
        overflow-y: auto;
    }

    .btn-group {
        gap: 0.5rem;
        flex-wrap: wrap;
    }

    .btn-group .btn {
        flex: 1;
        min-width: 120px;
        font-size: 0.9rem;
    }

    .doc-tabs {
        overflow-x: auto;
    }

    .report-table,
    .doc-preview-area {
        font-size: 0.85rem;
    }

    .cert-preview {
        padding: 2rem 1rem;
    }
}

@media (max-width: 480px) {
    .premium-docs-title {
        font-size: 1.5rem;
    }

    .premium-docs-subtitle {
        font-size: 0.9rem;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .doc-type-selector,
    .btn-group {
        flex-direction: column;
    }

    .doc-type-btn,
    .btn-group .btn {
        width: 100%;
    }

    .cert-logo {
        width: 80px;
        height: 80px;
        font-size: 1.5rem;
    }

    .cert-title {
        font-size: 1.5rem;
    }

    .doc-preview-area {
        min-height: 300px;
        padding: 1rem;
    }
}