/* ============================================================
   TECDEPRO Design System v2 — Modern SaaS Institutional UI
   ============================================================ */

:root {
    /* Brand — Vibrant Coral / Orange (primary actions & active nav) */
    --brand-primary:       #F97316;
    --brand-primary-dark:  #EA580C;
    --brand-primary-light: #FFEDD5;
    --brand-primary-muted: #FFF7ED;

    /* Accent — mirrors brand for CTAs */
    --accent:              #F97316;
    --accent-hover:        #EA580C;
    --accent-light:        #FFEDD5;

    /* Success — institutional green, use sparingly */
    --success:             #16A34A;
    --success-light:       #DCFCE7;
    --success-muted:       #F0FDF4;

    /* Validation feedback */
    --validation-success:  #16A34A;
    --validation-error:    #EF4444;
    --validation-error-bg: #FEF2F2;

    /* Neutrals — Soft light gray */
    --bg-body:             #F8FAFC;
    --bg-surface:          #FFFFFF;
    --bg-subtle:           #F3F4F6;
    --border:              #E5E7EB;
    --border-light:        #F3F4F6;
    --text-primary:        #111827;
    --text-secondary:      #374151;
    --text-muted:          #6B7280;
    --text-placeholder:    #9CA3AF;

    /* Semantic status */
    --status-active-bg:    #DCFCE7;
    --status-active-text:  #166534;
    --status-inactive-bg:  #FEF3C7;
    --status-inactive-text:#92400E;
    --status-withdrawn-bg: #FFE4E6;
    --status-withdrawn-text:#BE123C;
    --status-confirmed-bg: #DBEAFE;
    --status-confirmed-text:#1E40AF;
    --status-pending-bg:   #F3E8FF;
    --status-pending-text: #6B21A8;
    --status-finished-bg:  #F3F4F6;
    --status-finished-text:#374151;

    /* Layout */
    --sidebar-width:       260px;
    --header-height:       64px;
    --radius-sm:           6px;
    --radius-md:           8px;
    --radius-lg:           12px;
    --radius-xl:           16px;
    --shadow-sm:           0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md:           0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg:           0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --transition:          0.15s ease;

    /* Legacy aliases (compat) */
    --tecdepro-green:  var(--brand-primary);
    --tecdepro-cream:  var(--brand-primary-light);
    --tecdepro-yellow: #FCD34D;
    --tecdepro-naranja: var(--brand-primary);
}

.btn-tecdepro:disabled,
.btn-tecdepro[disabled] {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.02em;
}

/* ===== Buttons ===== */
.btn-tecdepro {
    background-color: var(--accent);
    border-color: var(--accent);
    color: #fff;
    font-weight: 500;
    border-radius: var(--radius-md);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    transition: background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}
.btn-tecdepro:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}
.btn-tecdepro:active { transform: translateY(0); }

.btn-tecdepro-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: var(--radius-md);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    text-decoration: none;
}
.btn-tecdepro-outline:hover {
    background: var(--bg-subtle);
    border-color: var(--text-muted);
    color: var(--text-primary);
}

.btn-volver {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-bottom: 1.25rem;
    font-weight: 500;
    transition: color var(--transition);
}
.btn-volver:hover { color: var(--brand-primary); }

/* ===== App Shell ===== */
.app-shell {
    display: flex;
    min-height: 100vh;
}

/* ===== Sidebar ===== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-surface);
    border-right: 1px solid var(--border);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    padding: 1.5rem 1rem;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: transform 0.25s ease;
}

.sidebar .marca {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-weight: 700;
    font-size: 1.125rem;
    letter-spacing: -0.03em;
    margin-bottom: 2rem;
    color: var(--text-primary);
    text-decoration: none;
    padding: 0 0.5rem;
}

.sidebar .marca-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 800;
    flex-shrink: 0;
}

.sidebar .nav-label {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-placeholder);
    padding: 0 0.75rem;
    margin-bottom: 0.5rem;
    margin-top: 0.5rem;
}

.sidebar nav a {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius-md);
    margin-bottom: 0.15rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition);
    position: relative;
}

.sidebar nav a i,
.sidebar nav a svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: 0.7;
}

.sidebar nav a:hover {
    background: var(--bg-subtle);
    color: var(--text-primary);
}

.sidebar nav a.activo {
    background: var(--accent-light);
    color: var(--accent);
    font-weight: 600;
}

.sidebar nav a.activo::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: var(--accent);
    border-radius: 0 3px 3px 0;
}

.sidebar nav a.activo i,
.sidebar nav a.activo svg { opacity: 1; }

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

.sidebar .cerrar-sesion {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition);
}

.sidebar .cerrar-sesion:hover {
    background: var(--status-withdrawn-bg);
    color: var(--status-withdrawn-text);
}

/* ===== Main Content ===== */
.contenido-principal {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    margin-left: var(--sidebar-width);
}

.topbar {
    background: var(--bg-surface);
    height: var(--header-height);
    padding: 0 1.75rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 0.4rem 0.55rem;
    color: var(--text-secondary);
    cursor: pointer;
    display: none;
    transition: background var(--transition);
}
.topbar-toggle:hover { background: var(--bg-subtle); }

.topbar-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-left: auto;
}

.topbar-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-primary-light), var(--accent-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.8125rem;
    color: var(--brand-primary-dark);
    border: 2px solid var(--bg-surface);
    box-shadow: var(--shadow-sm);
}

.topbar-user-info { line-height: 1.3; }
.topbar-user-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}
.topbar-user-role {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.area-vista {
    padding: 1.75rem;
    flex-grow: 1;
}

/* ===== Page Headers ===== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.75rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.page-header h2 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.page-header .page-subtitle {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin: 0;
}

/* ===== KPI Cards ===== */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.kpi-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), transform var(--transition);
    text-decoration: none;
    color: inherit;
    display: block;
}

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

.kpi-card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.875rem;
    font-size: 1.25rem;
}

.kpi-card-icon.emerald { background: var(--brand-primary-muted); color: var(--brand-primary); }
.kpi-card-icon.indigo  { background: var(--accent-light); color: var(--accent); }
.kpi-card-icon.amber   { background: var(--status-inactive-bg); color: var(--status-inactive-text); }
.kpi-card-icon.rose    { background: var(--status-withdrawn-bg); color: var(--status-withdrawn-text); }

.kpi-card-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.kpi-card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.kpi-card-action {
    font-size: 0.8125rem;
    color: var(--accent);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

/* ===== Module Cards (Dashboard) ===== */
.modulo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.modulo-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), transform var(--transition);
    height: 100%;
}

.modulo-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.modulo-icono {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--brand-primary-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--brand-primary);
    margin-bottom: 1rem;
}

.modulo-card .card-title {
    font-size: 1.0625rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.modulo-card .card-text {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

.modulo-card-actions {
    display: flex;
    gap: 0.5rem;
}

/* ===== Data Tables ===== */
.table-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.table-card .table-responsive { margin: 0; }

.data-table {
    margin: 0;
    width: 100%;
    border-collapse: collapse;
}

.data-table thead th {
    background: var(--bg-subtle);
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.875rem 1.25rem;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.data-table tbody td {
    padding: 0.875rem 1.25rem;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

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

.data-table tbody tr:nth-child(even) { background: rgba(249, 250, 251, 0.6); }

.data-table tbody tr:hover { background: var(--bg-subtle); }

.data-table .empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 3rem 1.25rem !important;
}

/* Row actions — hover reveal */
.row-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.35rem;
    opacity: 0;
    transition: opacity var(--transition);
}

.data-table tbody tr:hover .row-actions { opacity: 1; }

.btn-action {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-surface);
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
    padding: 0;
    font-size: 0.875rem;
    text-decoration: none;
}

.btn-action:hover {
    border-color: var(--text-muted);
    color: var(--text-primary);
    background: var(--bg-subtle);
}

.btn-action.success:hover { background: var(--status-active-bg); border-color: var(--status-active-text); color: var(--status-active-text); }
.btn-action.danger:hover  { background: var(--status-withdrawn-bg); border-color: var(--status-withdrawn-text); color: var(--status-withdrawn-text); }
.btn-action.primary:hover { background: var(--accent-light); border-color: var(--accent); color: var(--accent); }
.btn-action.warning:hover { background: var(--status-inactive-bg); border-color: var(--status-inactive-text); color: var(--status-inactive-text); }

/* ===== Status Badges ===== */
.badge-pill {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.badge-active    { background: var(--status-active-bg);    color: var(--status-active-text); }
.badge-inactive  { background: var(--status-inactive-bg);  color: var(--status-inactive-text); }
.badge-withdrawn { background: var(--status-withdrawn-bg); color: var(--status-withdrawn-text); }
.badge-confirmed { background: var(--status-confirmed-bg); color: var(--status-confirmed-text); }
.badge-pending   { background: var(--status-pending-bg);   color: var(--status-pending-text); }
.badge-finished  { background: var(--status-finished-bg);  color: var(--status-finished-text); }
.badge-published { background: var(--brand-primary-muted); color: var(--brand-primary-dark); }
.badge-online    { background: var(--success-light); color: var(--success); }
.badge-hidden    { background: var(--bg-subtle);           color: var(--text-muted); }

/* ===== Forms ===== */
.form-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
    max-width: 720px;
}

.form-card-wide { max-width: 780px; }

.form-card .form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.375rem;
}

.form-card .form-control,
.form-card .form-select {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 0.55rem 0.875rem;
    font-size: 0.875rem;
    color: var(--text-primary);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-card .form-control:focus,
.form-card .form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
}

/* Real-time validation states */
.form-control.field-valid,
.form-select.field-valid {
    border-color: var(--validation-success);
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.12);
}

.form-control.field-invalid,
.form-select.field-invalid {
    border-color: var(--validation-error);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

.field-feedback {
    font-size: 0.8125rem;
    margin-top: 0.35rem;
    line-height: 1.4;
    min-height: 1.15rem;
}

.field-feedback.field-valid   { color: var(--validation-success); }
.field-feedback.field-invalid { color: var(--validation-error); }

.password-strength {
    margin-top: 0.65rem;
    padding: 0.75rem 1rem;
    background: var(--bg-subtle);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.password-strength-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.password-strength-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.password-strength-list li {
    font-size: 0.8125rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: color var(--transition);
}

.password-strength-list li::before {
    content: '\2717';
    font-size: 0.75rem;
    color: var(--text-placeholder);
    width: 1rem;
    text-align: center;
    flex-shrink: 0;
}

.password-strength-list li.met {
    color: var(--validation-success);
}

.password-strength-list li.met::before {
    content: '\2713';
    color: var(--validation-success);
}

.filter-bar {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.25rem;
    max-width: 420px;
    box-shadow: var(--shadow-sm);
}

.filter-bar .form-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.5rem;
}

.filter-bar .form-select {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
}

/* ===== Alerts ===== */
.alert-modern {
    border-radius: var(--radius-md);
    border: 1px solid;
    padding: 1rem 1.25rem;
    font-size: 0.875rem;
    margin-bottom: 1.25rem;
}

.alert-modern.success { background: var(--status-active-bg); border-color: #BBF7D0; color: var(--status-active-text); }
.alert-modern.danger  { background: var(--status-withdrawn-bg); border-color: #FECDD3; color: var(--status-withdrawn-text); }
.alert-modern.info    { background: var(--accent-light); border-color: #C7D2FE; color: var(--accent); }
.alert-modern.warning { background: var(--status-inactive-bg); border-color: #FDE68A; color: var(--status-inactive-text); }

.alert-placeholder {
    background: var(--bg-surface);
    border: 1px dashed var(--border);
    border-radius: var(--radius-md);
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===== Login ===== */
.pagina-login {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-body);
    font-family: 'Inter', system-ui, sans-serif;
    padding: 1.5rem;
}

.login-wrapper {
    display: flex;
    width: 100%;
    max-width: 900px;
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}

.login-brand-panel {
    flex: 1;
    background: linear-gradient(160deg, var(--brand-primary-dark) 0%, var(--brand-primary) 55%, #FB923C 100%);
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #fff;
    min-width: 0;
}

.login-brand-panel h1 {
    color: #fff;
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    letter-spacing: -0.03em;
}

.login-brand-panel p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin: 0;
}

.login-brand-features {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}

.login-brand-features span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.9);
}

.login-brand-features .bi-check-circle-fill {
    color: var(--success-light);
    flex-shrink: 0;
}

.login-card {
    flex: 1;
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}

.login-card h2 {
    font-size: 1.375rem;
    margin-bottom: 0.35rem;
}

.login-card .login-subtitle {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

.login-public-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    padding: 0.45rem 0.75rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.login-public-link:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--brand-primary-muted);
}

.login-logo {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 0.875rem;
    margin-bottom: 1.25rem;
}

/* ===== Public Portal ===== */
.navbar-public {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    padding: 0.875rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-public .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-public .brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.03em;
}

.navbar-public .brand-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 800;
}

.hero-section {
    background: linear-gradient(135deg, var(--bg-body) 0%, var(--brand-primary-muted) 100%);
    padding: 4rem 0 5rem;
    border-bottom: 1px solid var(--border);
}

.hero-section h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-section .hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 540px;
    line-height: 1.7;
    margin-bottom: 2rem;
}

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

.areas-section {
    padding: 4rem 0;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 0.9375rem;
    margin-bottom: 2rem;
}

.areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
}

.area-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: box-shadow var(--transition), transform var(--transition);
}

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

.area-card-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--brand-primary-muted);
    color: var(--brand-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.area-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.area-card p {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin: 0;
}

.stats-bar {
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 2.5rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item .stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--brand-primary);
    letter-spacing: -0.03em;
}

.stat-item .stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.footer-public {
    background: var(--text-primary);
    color: rgba(255, 255, 255, 0.7);
    padding: 3rem 0 2rem;
}

.footer-public .footer-brand {
    font-weight: 700;
    font-size: 1.125rem;
    color: #fff;
    margin-bottom: 0.5rem;
}

.footer-public small {
    font-size: 0.8125rem;
}

/* ===== Credentials Card ===== */
.credentials-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    max-width: 600px;
    overflow: hidden;
}

.credentials-card-header {
    padding: 1.5rem 1.75rem;
    border-bottom: 1px solid var(--border-light);
}

.credentials-card-body { padding: 1.75rem; }

.credentials-alert {
    background: var(--status-inactive-bg);
    border: 1px solid #FDE68A;
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    font-size: 0.875rem;
    color: var(--status-inactive-text);
    margin-bottom: 1.25rem;
}

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

.credentials-table th {
    text-align: left;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-muted);
    padding: 0.75rem 0;
    width: 140px;
}

.credentials-table td {
    padding: 0.75rem 0;
    font-size: 0.9375rem;
}

.credentials-table code {
    background: var(--bg-subtle);
    padding: 0.35rem 0.65rem;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

/* ===== Course info banner (inscripciones) ===== */
.course-banner {
    background: var(--brand-primary-muted);
    border: 1px solid #FDBA74;
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
}

.course-banner strong { color: var(--brand-primary-dark); }

.login-card .form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
}

/* ===== Overlay for mobile sidebar ===== */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 99;
}

.sidebar-overlay.visible { display: block; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.abierta {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }

    .contenido-principal {
        margin-left: 0;
    }

    .topbar-toggle { display: flex; }

    .area-vista { padding: 1.25rem; }

    .page-header { flex-direction: column; align-items: stretch; }

    .row-actions { opacity: 1; }

    .login-wrapper { flex-direction: column; }

    .login-brand-panel { padding: 2rem 1.5rem; }

    .login-card { padding: 2rem 1.5rem; }

    .hero-section { padding: 2.5rem 0 3rem; }

    .hero-section h1 { font-size: 1.75rem; }

    .topbar-user-info { display: none; }
}

@media (max-width: 480px) {
    .modulo-card-actions { flex-direction: column; }
    .modulo-card-actions .btn-tecdepro,
    .modulo-card-actions .btn-tecdepro-outline { width: 100%; justify-content: center; }
}