/* =============================================
   Tutores Maestría – Estilos Frontend Público
   Shortcode [tutores_maestria]
   ============================================= */

:root {
    --tm-primary:       #1e3a8a;
    --tm-primary-light: #2563eb;
    --tm-accent:        #f59e0b;
    --tm-success:       #16a34a;
    --tm-danger:        #dc2626;
    --tm-border:        #e2e8f0;
    --tm-bg:            #f0f4ff;
    --tm-card-bg:       #ffffff;
    --tm-text:          #1e293b;
    --tm-muted:         #64748b;
    --tm-radius:        14px;
    --tm-shadow:        0 2px 8px rgba(30,58,138,.08), 0 8px 32px rgba(30,58,138,.05);
}

/* ── Contenedor principal ───────────────────── */
.tm-wrap {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--tm-text);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 0 40px;
}

/* ── Hero / encabezado ──────────────────────── */
.tm-hero {
    background: linear-gradient(135deg, var(--tm-primary) 0%, var(--tm-primary-light) 100%);
    border-radius: var(--tm-radius);
    padding: 40px 32px;
    margin-bottom: 32px;
    position: relative;
    overflow: hidden;
}
.tm-hero::before {
    content: '';
    position: absolute;
    top: -40px; right: -40px;
    width: 220px; height: 220px;
    border-radius: 50%;
    background: rgba(255,255,255,.06);
}
.tm-hero-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: #fff;
    margin: 0 0 6px;
    letter-spacing: -.03em;
}
.tm-hero-sub {
    color: rgba(255,255,255,.75);
    font-size: .9375rem;
    margin: 0;
}
.tm-hero-badge {
    background: rgba(255,255,255,.15);
    color: #fff;
    border-radius: 20px;
    padding: 4px 12px;
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .05em;
    margin-bottom: 12px;
    display: inline-block;
}

/* ── Barra de búsqueda ──────────────────────── */
.tm-search-bar {
    background: #fff;
    border: 1.5px solid var(--tm-border);
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 28px;
    box-shadow: var(--tm-shadow);
}
.tm-search-bar input,
.tm-search-bar select {
    border: 1.5px solid var(--tm-border);
    border-radius: 8px;
    font-size: .875rem;
    padding: 9px 12px;
    width: 100%;
    transition: border-color .15s;
    color: var(--tm-text);
}
.tm-search-bar input:focus,
.tm-search-bar select:focus {
    border-color: var(--tm-primary-light);
    box-shadow: 0 0 0 3px rgba(37,99,235,.12);
    outline: none;
}
.tm-search-bar label {
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--tm-muted);
    margin-bottom: 6px;
    display: block;
}
.tm-btn-buscar {
    background: var(--tm-primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: .875rem;
    padding: 9px 20px;
    width: 100%;
    cursor: pointer;
    transition: background .15s;
    margin-top: 22px;
}
.tm-btn-buscar:hover { background: var(--tm-primary-light); }

/* ── Contador de resultados ─────────────────── */
.tm-resultados-info {
    font-size: .8125rem;
    color: var(--tm-muted);
    margin-bottom: 16px;
}

/* ── Grid de tarjetas ───────────────────────── */
.tm-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

/* ── Tarjeta de tutor ───────────────────────── */
.tm-tutor-card {
    background: var(--tm-card-bg);
    border: 1.5px solid var(--tm-border);
    border-radius: var(--tm-radius);
    overflow: hidden;
    box-shadow: var(--tm-shadow);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s;
    display: flex;
    flex-direction: column;
}
.tm-tutor-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(30,58,138,.14);
    border-color: var(--tm-primary-light);
}
.tm-tutor-card.sin-cupos {
    opacity: .7;
}
.tm-tutor-card.sin-cupos:hover {
    transform: none;
    border-color: var(--tm-border);
}

/* Cabecera de la tarjeta */
.tm-card-header {
    background: linear-gradient(135deg, var(--tm-bg) 0%, #e0e7ff 100%);
    padding: 24px 20px 16px;
    text-align: center;
    position: relative;
}
.tm-card-avatar {
    width: 80px; height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #fff;
    box-shadow: 0 2px 12px rgba(30,58,138,.15);
    margin-bottom: 12px;
}
.tm-card-avatar-placeholder {
    width: 80px; height: 80px;
    border-radius: 50%;
    background: var(--tm-primary);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 12px;
    box-shadow: 0 2px 12px rgba(30,58,138,.2);
}
.tm-card-avatar-placeholder span {
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
}

.tm-card-nombre {
    font-size: 1rem;
    font-weight: 700;
    color: var(--tm-primary);
    margin: 0 0 3px;
    line-height: 1.3;
}
.tm-card-titulo {
    font-size: .75rem;
    color: var(--tm-muted);
    margin: 0;
}

/* Insignia de cupos */
.tm-cupos-badge {
    position: absolute;
    top: 12px; right: 12px;
    background: var(--tm-success);
    color: #fff;
    font-size: .6875rem;
    font-weight: 700;
    border-radius: 20px;
    padding: 3px 10px;
}
.tm-cupos-badge.lleno {
    background: var(--tm-danger);
}

/* Cuerpo de la tarjeta */
.tm-card-body {
    padding: 16px 20px;
    flex: 1;
}
.tm-card-field {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
    font-size: .8125rem;
}
.tm-card-field-icon {
    flex-shrink: 0;
    color: var(--tm-primary-light);
    margin-top: 1px;
}
.tm-card-field-label {
    font-weight: 600;
    color: var(--tm-muted);
    font-size: .6875rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    display: block;
    margin-bottom: 1px;
}
.tm-card-field-value {
    color: var(--tm-text);
}
.tm-lineas-text {
    font-size: .75rem;
    color: var(--tm-muted);
    background: #f8fafc;
    border-radius: 6px;
    padding: 6px 8px;
    margin-top: 2px;
    border-left: 2px solid var(--tm-primary-light);
}

/* Pie de la tarjeta */
.tm-card-footer {
    padding: 14px 20px;
    border-top: 1px solid var(--tm-border);
    background: #fafbff;
}
.tm-btn-seleccionar {
    width: 100%;
    background: var(--tm-primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    font-size: .875rem;
    padding: 10px;
    cursor: pointer;
    transition: background .15s;
    letter-spacing: .01em;
}
.tm-btn-seleccionar:hover:not(:disabled) { background: var(--tm-primary-light); }
.tm-btn-seleccionar:disabled {
    background: var(--tm-muted);
    cursor: not-allowed;
}

/* ── Estado vacío ───────────────────────────── */
.tm-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--tm-muted);
}
.tm-empty-icon { font-size: 3rem; margin-bottom: 12px; }

/* ── Spinner de carga ───────────────────────── */
.tm-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 40px;
    color: var(--tm-muted);
}
.tm-spinner {
    width: 28px; height: 28px;
    border: 3px solid var(--tm-border);
    border-top-color: var(--tm-primary-light);
    border-radius: 50%;
    animation: tm-spin .7s linear infinite;
}
@keyframes tm-spin { to { transform: rotate(360deg); } }

/* ── Modal de selección ─────────────────────── */
.tm-modal-public .modal-content {
    border-radius: 16px;
    border: none;
    box-shadow: 0 16px 60px rgba(0,0,0,.18);
    overflow: hidden;
}
.tm-modal-public .modal-header {
    background: linear-gradient(135deg, var(--tm-primary) 0%, var(--tm-primary-light) 100%);
    color: #fff;
    border: none;
    padding: 20px 24px;
}
.tm-modal-public .modal-title { font-weight: 700; }
.tm-modal-public .btn-close { filter: invert(1) brightness(2); }

.tm-form-group { margin-bottom: 16px; }
.tm-form-group label {
    font-size: .8125rem;
    font-weight: 600;
    color: var(--tm-muted);
    display: block;
    margin-bottom: 5px;
}
.tm-form-group input {
    width: 100%;
    border: 1.5px solid var(--tm-border);
    border-radius: 8px;
    padding: 10px 12px;
    font-size: .875rem;
    transition: border-color .15s;
    box-sizing: border-box;
}
.tm-form-group input:focus {
    border-color: var(--tm-primary-light);
    box-shadow: 0 0 0 3px rgba(37,99,235,.12);
    outline: none;
}
.tm-form-group input[readonly] {
    background: #f8fafc;
    color: var(--tm-muted);
}

.tm-tutor-resumen {
    background: #f0f4ff;
    border: 1.5px solid #c7d7fd;
    border-radius: 10px;
    padding: 14px 16px;
    margin-bottom: 20px;
}
.tm-tutor-resumen-nombre {
    font-weight: 700;
    color: var(--tm-primary);
    font-size: .9375rem;
}
.tm-tutor-resumen-esp {
    font-size: .8125rem;
    color: var(--tm-muted);
    margin-top: 2px;
}

.tm-btn-confirmar {
    width: 100%;
    background: var(--tm-success);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-weight: 700;
    font-size: .9375rem;
    padding: 12px;
    cursor: pointer;
    transition: background .15s;
}
.tm-btn-confirmar:hover:not(:disabled) { background: #15803d; }
.tm-btn-confirmar:disabled { background: var(--tm-muted); cursor: not-allowed; }

.tm-alert-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
    border-radius: 10px;
    padding: 14px 16px;
    font-size: .875rem;
    margin-top: 12px;
}
.tm-alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
    border-radius: 10px;
    padding: 14px 16px;
    font-size: .875rem;
    margin-top: 12px;
}

/* ── Responsive ─────────────────────────────── */
@media (max-width: 640px) {
    .tm-hero { padding: 28px 20px; }
    .tm-hero-title { font-size: 1.375rem; }
    .tm-grid { grid-template-columns: 1fr; }
    .tm-search-bar { padding: 14px; }
}