/* ═══════════════════════════════════════
   Samsung Business Pro 2.0 Dashboard
   Tema claro (por defecto) y oscuro - Samsung Brand Identity
   El tema se elige por usuario: <html data-theme="claro|oscuro">
   ═══════════════════════════════════════ */

@font-face {
    font-family: 'SamsungSharpSans';
    src: url('../fonts/SamsungSharpSans-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}
@font-face {
    font-family: 'SamsungSharpSans';
    src: url('../fonts/SamsungSharpSans-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
}
@font-face {
    font-family: 'SamsungSharpSans';
    src: url('../fonts/SamsungSharpSans-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
}
@font-face {
    font-family: 'SamsungOne';
    src: url('../fonts/SamsungOne-400_v1.0.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}
@font-face {
    font-family: 'SamsungOne';
    src: url('../fonts/SamsungOne-700_v1.0.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
}

:root {
    color-scheme: light;

    --samsung-blue: #1428A0;
    --samsung-blue-dark: #0D1B6F;
    --samsung-blue-light: #2962FF;
    --samsung-blue-glow: rgba(20, 40, 160, 0.18);
    --samsung-black: #000000;
    --samsung-white: #FFFFFF;
    --samsung-cyan: #00BFA5;
    --samsung-teal: #26C6DA;

    /* Color de acento (foco, pestaña activa, enlaces, progreso) y tinte neutro para fondos sutiles */
    --accent: #1428A0;
    --accent-rgb: 20, 40, 160;
    --tint-rgb: 15, 23, 42;

    --bg-primary: #F3F5F9;
    --bg-secondary: #F8F9FC;
    --bg-card: #FFFFFF;
    --bg-card-hover: #F1F4FA;
    --bg-sidebar: #FFFFFF;
    --bg-sidebar-hover: #EEF1FA;
    --bg-input: #FFFFFF;
    --overlay-bg: rgba(15, 23, 42, 0.45);
    --loading-bg: rgba(243, 245, 249, 0.85);

    --text-primary: #1F2433;
    --text-secondary: #5B6275;
    --text-muted: #8A90A2;
    --text-strong: #0B0F1A;

    /* Texto de badges y botones de estado */
    --text-green: #00796B;
    --text-yellow: #8A5A00;
    --text-blue: #1428A0;
    --text-red: #C62828;
    --icon-blue: #1428A0;

    --border-color: #DCE1EA;
    --border-light: #E9ECF2;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;

    --shadow-sm: 0 1px 3px rgba(16, 24, 40, 0.06);
    --shadow-md: 0 4px 16px rgba(16, 24, 40, 0.08);
    --shadow-lg: 0 12px 32px rgba(16, 24, 40, 0.14);
    --shadow-glow: 0 0 20px rgba(20, 40, 160, 0.08);

    --sidebar-width: 260px;
    --header-height: 70px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);

    --status-completed: #00BFA5;
    --status-started: #FFB300;
    --status-pending: #D6DAE3;
    --status-error: #FF5252;
}

:root[data-theme="oscuro"] {
    color-scheme: dark;

    --samsung-blue-glow: rgba(20, 40, 160, 0.25);

    --accent: #00BFA5;
    --accent-rgb: 0, 191, 165;
    --tint-rgb: 255, 255, 255;

    --bg-primary: #0A0A0F;
    --bg-secondary: #111118;
    --bg-card: #16161E;
    --bg-card-hover: #1C1C28;
    --bg-sidebar: #08080D;
    --bg-sidebar-hover: #14142A;
    --bg-input: #1A1A24;
    --overlay-bg: rgba(0, 0, 0, 0.7);
    --loading-bg: rgba(10, 10, 15, 0.85);

    --text-primary: #E8E8EF;
    --text-secondary: #8A8A9A;
    --text-muted: #55556A;
    --text-strong: #FFFFFF;

    --text-green: #4DD0B8;
    --text-yellow: #FFD54F;
    --text-blue: #5C8AFF;
    --text-red: #FF8A80;
    --icon-blue: #7C9CFF;

    --border-color: #2A2A38;
    --border-light: #1E1E2A;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 20px rgba(var(--accent-rgb), 0.1);

    --status-pending: #3A3A4A;
}

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

html { font-size: 14px; }

body {
    font-family: 'SamsungOne', 'SamsungSharpSans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'SamsungSharpSans', 'SamsungOne', sans-serif;
    font-weight: 700;
}

/* ─── Sidebar ─── */

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    color: var(--text-strong);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform var(--transition);
    border-right: 1px solid var(--border-light);
}

.sidebar-header {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-light);
}

.sidebar-logo {
    width: 36px;
    height: auto;
}

[data-theme="oscuro"] .sidebar-logo { filter: brightness(0) invert(1); }

.sidebar-title {
    font-family: 'SamsungSharpSans', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: -0.02em;
    white-space: nowrap;
}

.sidebar-nav {
    list-style: none;
    padding: 16px 12px;
    flex: 1;
}

.sidebar-nav li { margin-bottom: 4px; }

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition);
    font-size: 0.93rem;
    font-weight: 500;
}

.nav-link:hover {
    background: var(--bg-sidebar-hover);
    color: var(--text-strong);
}

.nav-link.active {
    background: var(--samsung-blue);
    color: #FFFFFF;
    box-shadow: 0 2px 12px var(--samsung-blue-glow);
}

.nav-link svg {
    flex-shrink: 0;
    opacity: 0.7;
}

.nav-link:hover svg, .nav-link.active svg { opacity: 1; }

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-light);
}

.sidebar-banner {
    width: 100%;
    border-radius: var(--border-radius-sm);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding: 10px 12px;
    background: rgba(var(--tint-rgb), 0.04);
    border-radius: var(--border-radius-sm);
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.sidebar-user svg { flex-shrink: 0; opacity: 0.5; }

.sidebar-user span { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.sidebar-logout {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    padding: 4px;
    border-radius: 4px;
    transition: all var(--transition);
}

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    border: none;
    border-radius: 4px;
    background: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition);
}

.theme-toggle:hover { color: var(--accent); background: rgba(var(--accent-rgb), 0.12); }
.theme-toggle .icon-sol { display: none; }
[data-theme="oscuro"] .theme-toggle .icon-sol { display: block; }
[data-theme="oscuro"] .theme-toggle .icon-luna { display: none; }

.sidebar-logout:hover {
    color: var(--status-error);
    background: rgba(255,82,82,0.12);
}

.sidebar-toggle {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 110;
    background: var(--samsung-blue);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    padding: 10px;
    cursor: pointer;
    box-shadow: var(--shadow-md);
}

/* ─── Main Content ─── */

.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: margin-left var(--transition);
}

.page-header {
    background: var(--bg-secondary);
    padding: 20px 32px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-direction: row-reverse;   /* título a la derecha, filtros/acciones a la izquierda */
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    position: sticky;
    top: 0;
    z-index: 50;
}

.page-title {
    font-size: 1.5rem;
    color: var(--text-strong);
    letter-spacing: -0.03em;
}

.page-body {
    padding: 24px 32px;
}

/* ─── Filters ─── */

.filters-bar {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.filter-select, .filter-input {
    padding: 8px 14px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    background: var(--bg-input);
    color: var(--text-primary);
    transition: border-color var(--transition);
    min-width: 160px;
}

.filter-select:focus, .filter-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.15);
}

.filter-select option {
    background: var(--bg-card);
    color: var(--text-primary);
}

.filter-input {
    min-width: 240px;
}

.filter-input::placeholder { color: var(--text-muted); }

/* ─── Cards Grid ─── */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 20px 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-color);
}

.stat-card.highlight {
    background: linear-gradient(135deg, var(--samsung-blue), #1E3ACF);
    color: #FFFFFF;
    border: 1px solid rgba(41, 98, 255, 0.3);
    box-shadow: 0 4px 20px var(--samsung-blue-glow);
}

.stat-card.highlight .stat-label { color: rgba(255,255,255,0.7); }
.stat-card.highlight .stat-value { color: #FFFFFF; }

.stat-label {
    font-size: 0.82rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin-bottom: 8px;
}

.stat-value {
    font-family: 'SamsungSharpSans', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-strong);
    line-height: 1.1;
}

.stat-sub {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.stat-card.highlight .stat-sub { color: rgba(255,255,255,0.55); }

/* ─── Charts / Panels ─── */

.panels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.panel {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.panel-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.panel-body {
    padding: 20px;
}

/* ─── Progress Bars ─── */

.progress-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.progress-row:last-child { margin-bottom: 0; }

.progress-label {
    min-width: 110px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.progress-track {
    flex: 1;
    height: 10px;
    background: var(--bg-primary);
    border-radius: 5px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 5px;
    transition: width 0.6s ease;
    background: var(--samsung-blue-light);
}

.progress-fill.green { background: var(--status-completed); }
.progress-fill.yellow { background: var(--status-started); }

.progress-value {
    min-width: 45px;
    text-align: right;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* ─── Tables ─── */

.table-wrapper {
    overflow-x: auto;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    box-shadow: var(--shadow-sm);
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead th {
    background: var(--bg-secondary);
    padding: 12px 16px;
    text-align: left;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
    position: sticky;
    top: 0;
}

tbody td {
    padding: 12px 16px;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-light);
    white-space: nowrap;
    color: var(--text-primary);
}

tbody tr:hover { background: rgba(var(--accent-rgb), 0.04); }

tbody tr:last-child td { border-bottom: none; }

/* ─── Status Badges ─── */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.badge-completed { background: rgba(0,191,165,0.15); color: var(--text-green); }
.badge-started { background: rgba(255,179,0,0.15); color: var(--text-yellow); }
.badge-pending { background: rgba(var(--tint-rgb), 0.06); color: var(--text-muted); }
.badge-registered { background: rgba(41,98,255,0.15); color: var(--text-blue); }
.badge-active { background: rgba(0,191,165,0.15); color: var(--text-green); }
.badge-inactive { background: rgba(255,82,82,0.15); color: var(--text-red); }

/* ─── Buttons ─── */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--samsung-blue);
    color: white;
}

.btn-primary:hover {
    background: var(--samsung-blue-light);
    box-shadow: 0 4px 16px var(--samsung-blue-glow);
}

.btn-secondary {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1.5px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--text-muted);
}

.btn-danger {
    background: rgba(255,82,82,0.12);
    color: var(--text-red);
}

.btn-danger:hover { background: rgba(255,82,82,0.2); }

.btn-success {
    background: rgba(0,191,165,0.12);
    color: var(--text-green);
}

.btn-success:hover { background: rgba(0,191,165,0.2); }

.btn-sm {
    padding: 6px 14px;
    font-size: 0.82rem;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ─── Upload Area ─── */

.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 48px;
    text-align: center;
    background: var(--bg-secondary);
    transition: all var(--transition);
    cursor: pointer;
}

.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--accent);
    background: rgba(var(--accent-rgb), 0.04);
}

.upload-zone svg {
    color: var(--text-muted);
    margin-bottom: 16px;
}

.upload-zone h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

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

.upload-zone input[type="file"] {
    display: none;
}

/* ─── Pagination ─── */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
}

.pagination button {
    padding: 8px 14px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-card);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition);
}

.pagination button:hover:not(:disabled) {
    border-color: var(--accent);
    color: var(--accent);
}

.pagination button.active {
    background: var(--samsung-blue);
    color: white;
    border-color: var(--samsung-blue);
}

.pagination button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.pagination-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0 8px;
}

/* ─── Detail Page ─── */

.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

.detail-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-label {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
}

.detail-value {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.detail-value input, .detail-value select {
    width: 100%;
    padding: 8px 12px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    background: var(--bg-input);
    color: var(--text-primary);
    transition: border-color var(--transition);
}

.detail-value input:focus, .detail-value select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.1);
}

/* ─── Tabs ─── */

.tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 20px;
}

.tab-btn {
    padding: 12px 24px;
    border: none;
    background: none;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    position: relative;
    transition: color var(--transition);
}

.tab-btn:hover { color: var(--text-primary); }

.tab-btn.active {
    color: var(--accent);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ─── Toast ─── */

.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 14px 20px;
    border-radius: var(--border-radius-sm);
    background: var(--bg-card);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--accent);
    font-size: 0.9rem;
    color: var(--text-primary);
    animation: slideIn 0.3s ease;
    max-width: 360px;
}

.toast.success { border-left-color: var(--status-completed); }
.toast.error { border-left-color: var(--status-error); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ─── Chart bars (CSS only) ─── */

.chart-bar-group {
    margin-bottom: 16px;
}

.chart-bar-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.chart-bars {
    display: flex;
    gap: 4px;
    align-items: center;
}

.chart-bar {
    height: 28px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 700;
    color: white;
    min-width: 32px;
    transition: width 0.6s ease;
}

.chart-bar.completed { background: var(--status-completed); }
.chart-bar.started { background: var(--status-started); }
.chart-bar.pending { background: var(--status-pending); color: var(--text-secondary); }

/* ─── Modal ─── */

.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--overlay-bg);
    z-index: 200;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    max-width: 560px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.modal h2 {
    margin-bottom: 20px;
    font-size: 1.25rem;
    color: var(--text-strong);
}

.modal .form-group {
    margin-bottom: 16px;
}

.modal .form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 6px;
}

.modal .form-group input,
.modal .form-group select,
.modal .form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    background: var(--bg-input);
    color: var(--text-primary);
}

.modal .form-group input:focus,
.modal .form-group select:focus,
.modal .form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.modal .form-group select option {
    background: var(--bg-card);
    color: var(--text-primary);
}

.modal .form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}

/* ─── Spinner ─── */

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 40px auto;
}

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

/* ─── Empty state ─── */

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state svg {
    color: var(--text-muted);
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

/* ─── Responsive ─── */

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .sidebar-toggle {
        display: flex;
    }
    .main-content {
        margin-left: 0;
    }
    .page-body {
        padding: 16px;
    }
    .page-header {
        padding: 16px;
        padding-left: 72px;   /* hueco para el botón del menú */
    }
    .panels-grid {
        grid-template-columns: 1fr;
    }
    .detail-grid {
        grid-template-columns: 1fr;
    }
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    }
}

@media (max-width: 640px) {
    .page-header {
        flex-direction: column;   /* título arriba (a la derecha), filtros debajo a todo el ancho */
        align-items: stretch;
    }
    .page-title { text-align: right; }
    .page-title > div { justify-content: flex-end; flex-wrap: wrap; }   /* ficha: Volver + nombre */
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .filters-bar {
        flex-direction: column;
        align-items: stretch;
    }
    .filter-select, .filter-input {
        min-width: unset;
        width: 100%;
    }
}

/* ─── Clickable row ─── */
.clickable-row { cursor: pointer; }
.clickable-row:hover { background: rgba(var(--accent-rgb), 0.06) !important; }

/* ─── Cert mini progress ─── */
.cert-mini {
    display: flex;
    align-items: center;
    gap: 6px;
}

.cert-mini-bar {
    width: 50px;
    height: 6px;
    background: var(--status-pending);
    border-radius: 3px;
    overflow: hidden;
}

.cert-mini-fill {
    height: 100%;
    border-radius: 3px;
    background: var(--accent);
}

.cert-mini-text {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 32px;
}

/* ─── Loading overlay ─── */
.loading-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--loading-bg);
    z-index: 300;
    align-items: center;
    justify-content: center;
}

.loading-overlay.active { display: flex; }

/* ─── Usuarios ─── */

.user-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.password-box {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    background: var(--bg-input);
    border: 1.5px solid var(--border-color);
    border-radius: var(--border-radius-sm);
}

.password-box code {
    flex: 1;
    font-family: Consolas, 'Courier New', monospace;
    font-size: 1.05rem;
    color: var(--text-strong);
    word-break: break-all;
    user-select: all;
}

/* ─── Formularios en modal ─── */

.modal.modal-wide {
    max-width: 720px;
}

.modal .modal-section {
    font-size: 0.95rem;
    color: var(--text-strong);
    margin: 8px 0 12px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 16px;
}

.form-grid .form-full {
    grid-column: 1 / -1;
}

@media (max-width: 600px) {
    .form-grid { grid-template-columns: 1fr; }
}

.asig-edit {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px 16px;
    align-items: end;
    margin-bottom: 20px;
}

.asig-edit select:disabled { opacity: 0.55; }
.asig-edit-actions { grid-column: 1 / -1; display: flex; justify-content: flex-end; }
.asig-edit-section {
    grid-column: 1 / -1;
    margin: 8px 0 -4px;
    padding-top: 14px;
    border-top: 1px solid var(--border-light);
    font-size: 0.95rem;
}

@media (max-width: 900px) {
    .asig-edit { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
    .asig-edit { grid-template-columns: 1fr; }
}

.carta-box {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 14px;
    margin-bottom: 20px;
    background: var(--bg-input);
    border: 1.5px solid var(--border-color);
    border-radius: var(--border-radius-sm);
}

.carta-link {
    color: var(--accent);
    font-weight: 600;
    word-break: break-all;
}

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

/* ─── Grupo desplegable del menú ─── */

.nav-group > summary {
    cursor: pointer;
    list-style: none;
    user-select: none;
}

.nav-group > summary::-webkit-details-marker { display: none; }

.nav-chevron {
    margin-left: auto;
    transition: transform var(--transition);
}

.nav-group[open] .nav-chevron { transform: rotate(180deg); }

.nav-submenu {
    list-style: none;
    margin-top: 4px;
    padding-left: 16px;
}

.nav-submenu .nav-link {
    padding: 10px 16px;
    font-size: 0.88rem;
}

/* ─── Adjuntos de incidencias ─── */

.adjuntos {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    min-width: 180px;
}

.adjunto {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    max-width: 260px;
}

.adjunto a {
    color: var(--accent);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.adjunto-size {
    color: var(--text-secondary);
    font-size: 0.78rem;
    white-space: nowrap;
}

.adjunto-del {
    background: none;
    border: none;
    color: var(--status-error);
    cursor: pointer;
    font-size: 1.1rem;
    line-height: 1;
    padding: 0 4px;
}

/* ─── Corrección manual de cursos ─── */

.curso-estado {
    padding: 6px 10px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-input);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.85rem;
}

.curso-estado option { background: var(--bg-card); }

.curso-estado-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.badge-corregido {
    background: rgba(255,179,0,0.15);
    color: var(--text-yellow);
    cursor: help;
}

.btn-link {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    font-size: 0.82rem;
    padding: 0;
    text-decoration: underline;
}

/* ─── Opciones de carga ─── */

.upload-option {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 12px;
    margin-bottom: 16px;
}

.upload-option label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.upload-option input[type="date"] {
    padding: 8px 12px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-input);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
}

.upload-option-hint {
    flex-basis: 100%;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ─── Informes ─── */

.rp-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 28px;
}

.rp-toolbar-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-right: 4px;
}

.rp-group { margin-bottom: 28px; }

.rp-group-title {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 12px;
}

.rp-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 14px;
}

.rp-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: start;
    gap: 14px;
    padding: 18px;
    text-align: left;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: inherit;
    cursor: pointer;
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.rp-card:hover {
    border-color: rgba(var(--accent-rgb), 0.5);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.rp-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.rp-card.active {
    border-color: var(--samsung-blue-light);
    background: linear-gradient(180deg, rgba(20, 40, 160, 0.18), var(--bg-card));
    box-shadow: 0 4px 20px var(--samsung-blue-glow);
}

.rp-card-icon {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(41, 98, 255, 0.12);
    color: var(--icon-blue);
}

.rp-card.active .rp-card-icon { background: var(--samsung-blue); color: #FFFFFF; }

.rp-card-body { display: flex; flex-direction: column; gap: 6px; min-width: 0; }

.rp-card-title { font-weight: 600; color: var(--text-strong); line-height: 1.3; }

.rp-card-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.rp-card-count {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    font-size: 0.72rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.rp-card-count strong {
    font-family: 'SamsungSharpSans', sans-serif;
    font-size: 1.35rem;
    color: var(--text-strong);
    line-height: 1.1;
}

/* Vista del informe */

.rp-view {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 24px;
    margin-top: 8px;
    transition: opacity var(--transition);
    scroll-margin-top: calc(var(--header-height) + 16px);   /* no quedar bajo la cabecera fija */
}

.rp-view.rp-loading { opacity: 0.55; pointer-events: none; }

.rp-view-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 22px;
}

.rp-view-heading { display: flex; gap: 14px; align-items: flex-start; max-width: 720px; }

.rp-view-heading .rp-card-icon { width: 44px; height: 44px; background: var(--samsung-blue); color: #FFFFFF; }

.rp-view-eyebrow {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.rp-view-title { font-size: 1.3rem; color: var(--text-strong); margin: 2px 0 6px; }

.rp-view-desc { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.5; }

.rp-kpis {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 12px;
    margin-bottom: 22px;
}

.rp-kpi {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 16px 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-left: 3px solid var(--border-color);
    border-radius: var(--border-radius-sm);
}

.rp-kpi-good { border-left-color: var(--status-completed); }
.rp-kpi-warning { border-left-color: var(--status-started); }
.rp-kpi-critical { border-left-color: var(--status-error); }

.rp-kpi-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.rp-kpi-dot {
    display: grid;
    place-items: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    color: var(--bg-primary);
}

.rp-kpi-good .rp-kpi-dot { background: var(--status-completed); }
.rp-kpi-warning .rp-kpi-dot { background: var(--status-started); }
.rp-kpi-critical .rp-kpi-dot { background: var(--status-error); }

.rp-kpi-value {
    font-family: 'SamsungSharpSans', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-strong);
    line-height: 1.1;
}

.rp-kpi-sub { font-size: 0.78rem; color: var(--text-muted); }

.rp-table-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.rp-search {
    position: relative;
    flex: 1;
    max-width: 340px;
}

.rp-search svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.rp-search input {
    width: 100%;
    padding: 9px 12px 9px 36px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-input);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.88rem;
}

.rp-search input:focus { outline: none; border-color: var(--accent); }

.rp-count { font-size: 0.84rem; color: var(--text-secondary); }

.rp-table {
    max-height: 70vh;
    overflow: auto;
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-sm);
}

.rp-table table { font-variant-numeric: tabular-nums; }

.rp-table thead th {
    position: sticky;
    top: 0;
    z-index: 1;
    padding: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.rp-sort {
    display: flex;
    align-items: center;
    gap: 6px;
    width: 100%;
    padding: 12px 14px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font: inherit;
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    white-space: nowrap;
}

.rp-num .rp-sort { justify-content: flex-end; }
thead th.th-sort { padding: 0; }
.th-sort .rp-sort { padding: 12px 16px; font-size: 0.78rem; letter-spacing: 0.06em; }
.rp-sort:hover, .rp-sort.active { color: var(--text-strong); }
.rp-sort-arrow { font-size: 0.7rem; opacity: 0.45; }
.rp-sort.active .rp-sort-arrow { opacity: 1; color: var(--accent); }

.rp-table tbody td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.87rem;
    vertical-align: middle;
    white-space: normal;
    max-width: 320px;
}

.rp-table tbody tr:nth-child(even) { background: rgba(var(--tint-rgb), 0.015); }
.rp-table tbody tr:hover { background: rgba(var(--accent-rgb), 0.05); }
.rp-table td.rp-num { text-align: right; white-space: nowrap; }

.rp-persona { display: flex; flex-direction: column; gap: 2px; min-width: 180px; }
.rp-persona strong { color: var(--text-strong); font-weight: 600; }
.rp-persona span { font-size: 0.78rem; color: var(--text-muted); }

.rp-empty, .rp-muted { color: var(--text-muted); }

.rp-table td.rp-col-texto_largo { min-width: 200px; }

.rp-long {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.45;
}

.rp-meter {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    justify-content: flex-end;
    min-width: 130px;
}

.rp-meter-track {
    width: 72px;
    height: 6px;
    border-radius: 3px;
    background: rgba(var(--accent-rgb), 0.15);
    overflow: hidden;
}

.rp-meter-fill { height: 100%; border-radius: 3px; background: var(--accent); }

.rp-meter-label { min-width: 44px; text-align: right; color: var(--text-primary); }

.rp-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-primary);
    background: rgba(var(--tint-rgb), 0.06);
    white-space: nowrap;
    margin: 2px 0;
}

.rp-chip-dot {
    display: grid;
    place-items: center;
    flex-shrink: 0;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    color: var(--bg-primary);
}
.rp-chip-dot svg { stroke-width: 3; }
.rp-chip-good { background: rgba(0, 191, 165, 0.14); }
.rp-chip-good .rp-chip-dot { background: var(--status-completed); }
.rp-chip-warning { background: rgba(255, 179, 0, 0.14); }
.rp-chip-warning .rp-chip-dot { background: var(--status-started); }
.rp-chip-critical { background: rgba(255, 82, 82, 0.16); }
.rp-chip-critical .rp-chip-dot { background: var(--status-error); }

.rp-yes { display: inline-flex; align-items: center; gap: 4px; color: var(--text-primary); }
.rp-yes svg { color: var(--status-completed); }
.rp-no { color: var(--text-muted); }

.rp-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 48px 16px;
    text-align: center;
    color: var(--text-secondary);
}

.rp-empty-state svg { color: var(--status-completed); margin-bottom: 4px; }
.rp-empty-state h3 { color: var(--text-strong); font-size: 1rem; }
.rp-empty-state p { font-size: 0.85rem; }

@media (max-width: 700px) {
    .rp-view { padding: 16px; }
    .rp-kpis { grid-template-columns: repeat(2, 1fr); }
    .rp-kpi { padding: 12px 14px; }
    .rp-kpi-value { font-size: 1.4rem; }
    .rp-cards { grid-template-columns: 1fr; }
    .rp-search { max-width: none; }
}

/* ─── Operadoras ─── */

.op-intro { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 20px; max-width: 720px; }

.op-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 18px 20px;
    margin-bottom: 16px;
}

.op-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 14px;
}

.op-name { font-size: 1.1rem; color: var(--text-strong); margin-bottom: 2px; }
.op-count { font-size: 0.8rem; color: var(--text-muted); }
.op-actions { display: inline-flex; align-items: center; gap: 6px; }

.op-icon-btn {
    display: inline-grid;
    place-items: center;
    width: 26px;
    height: 26px;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
}

.op-icon-btn:hover { background: var(--bg-card-hover); color: var(--text-strong); }
.op-icon-btn.danger:hover { color: var(--status-error); }

.op-segments { display: flex; flex-direction: column; gap: 10px; }

.op-segment {
    padding: 12px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-sm);
}

.op-segment-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.op-segment-name { font-weight: 600; color: var(--text-primary); }
.op-segment-head .op-actions { margin-left: auto; }

.op-subs { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }

.op-sub {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 4px 3px 10px;
    border-radius: 999px;
    background: rgba(41, 98, 255, 0.12);
    font-size: 0.82rem;
    color: var(--text-primary);
}

.op-sub .op-icon-btn { width: 22px; height: 22px; }

.op-sub-count {
    min-width: 18px;
    padding: 0 5px;
    border-radius: 999px;
    background: rgba(var(--tint-rgb), 0.08);
    font-size: 0.72rem;
    color: var(--text-secondary);
    text-align: center;
}

.op-add-sub {
    padding: 4px 10px;
    border: 1px dashed var(--border-color);
    border-radius: 999px;
    background: none;
    color: var(--text-secondary);
    font: inherit;
    font-size: 0.8rem;
    cursor: pointer;
}

.op-add-sub:hover { border-color: var(--accent); color: var(--text-strong); }
.op-empty { font-size: 0.85rem; color: var(--text-muted); }
.op-modal-hint { font-size: 0.85rem; color: var(--text-secondary); margin: -10px 0 16px; }
