/* =============================================
   TutorConnect — Public Styles
   Los colores vienen de las variables CSS
   inyectadas por TC_Public::inyectar_variables_css()
   desde la configuración del admin.
   NO hardcodear colores primarios aquí.
   ============================================= */

/* =============================================
   RESET Y BASE
   ============================================= */
.tc-panel {
    font-family: var(--tc-fuente, 'Inter', sans-serif);
    color: var(--tc-color-texto, #1e293b);
    background: var(--tc-color-fondo, #f8fafc);
    box-sizing: border-box;
    line-height: 1.6;
}

.tc-panel *, .tc-panel *::before, .tc-panel *::after {
    box-sizing: border-box;
}

/* =============================================
   BOTONES
   ============================================= */
.tc-btn {
    display: inline-block;
    padding: var(--tc-btn-padding, 10px 20px);
    font-size: var(--tc-btn-fontsize, 14px);
    font-weight: 600;
    font-family: var(--tc-fuente, 'Inter', sans-serif);
    border-radius: var(--tc-borde-boton, 8px);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    line-height: 1;
    text-align: center;
}

.tc-btn-primario {
    background: var(--tc-btn-primary-bg, var(--tc-color-primario, #2563eb));
    color: var(--tc-btn-primary-text, #ffffff);
    border: 2px solid var(--tc-btn-primary-border, var(--tc-color-primario, #2563eb));
}

.tc-btn-primario:hover {
    background: var(--tc-btn-primary-hover, var(--tc-color-hover, #1d4ed8));
    border-color: var(--tc-btn-primary-hover, var(--tc-color-hover, #1d4ed8));
    color: var(--tc-btn-primary-text, #ffffff);
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.tc-btn-secundario {
    background: var(--tc-btn-secondary-bg, #ffffff);
    color: var(--tc-btn-secondary-text, #f1a662);
    border: 2px solid var(--tc-btn-secondary-border, #f1a662);
}

.tc-btn-secundario:hover {
    background: var(--tc-btn-secondary-hover, #f1a662);
    border-color: var(--tc-btn-secondary-hover, #f1a662);
    color: var(--tc-btn-secondary-hover-text, #ffffff);
    text-decoration: none;
}

.tc-btn-peligro {
    background: #ef4444;
    color: #ffffff;
}

.tc-btn-peligro:hover {
    background: #dc2626;
    color: #ffffff;
    text-decoration: none;
}

.tc-btn-exito {
    background: #059669;
    color: #ffffff;
}

.tc-btn-exito:hover {
    background: #047857;
    color: #ffffff;
    text-decoration: none;
}

.tc-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.tc-btn-bloque {
    display: block;
    width: 100%;
}

/* =============================================
   LAYOUT DEL PANEL
   ============================================= */
.tc-panel-wrapper {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px 16px;
}

.tc-panel-header {
    background: var(--tc-color-primario, #2563eb);
    color: #ffffff;
    padding: 20px 24px;
    border-radius: 12px 12px 0 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0;
}

.tc-panel-header h2 {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    color: #ffffff;
}

.tc-panel-header .tc-usuario-info {
    font-size: 14px;
    opacity: 0.9;
}

/* TABS DE NAVEGACIÓN */
.tc-tabs-nav {
    display: flex;
    background: #ffffff;
    border-bottom: 2px solid #e2e8f0;
    overflow-x: auto;
    scrollbar-width: none;
    gap: 6px;
    padding: 6px;
}

.tc-panel .tc-tabs-nav {
    gap: 6px;
    padding: 6px;
}

.tc-tabs-nav::-webkit-scrollbar {
    display: none;
}

.tc-tab-nav-btn {
    padding: 12px 18px;
    font-size: 14px;
    font-weight: 600;
    color: #526276;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    margin-bottom: 0;
    cursor: pointer;
    white-space: nowrap;
    font-family: var(--tc-fuente, 'Inter', sans-serif);
    letter-spacing: 0;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.tc-panel .tc-tabs-nav .tc-tab-nav-btn {
    color: #526276 !important;
    background: #ffffff !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 4px !important;
    margin-bottom: 0 !important;
    font-weight: 600 !important;
}

.tc-tab-nav-btn:hover {
    color: #ffffff;
    background: #23c0b6;
    border-color: #23c0b6;
    box-shadow: 0 6px 14px rgba(35, 192, 182, 0.22);
}

.tc-panel .tc-tabs-nav .tc-tab-nav-btn:hover {
    color: #ffffff !important;
    background: #23c0b6 !important;
    border-color: #23c0b6 !important;
    box-shadow: 0 6px 14px rgba(35, 192, 182, 0.22) !important;
}

.tc-tab-nav-btn.activo {
    color: #ffffff;
    background: #23c0b6;
    border-color: #23c0b6;
    box-shadow: 0 6px 14px rgba(35, 192, 182, 0.22);
}

.tc-panel .tc-tabs-nav .tc-tab-nav-btn.activo {
    color: #ffffff !important;
    background: #23c0b6 !important;
    border-color: #23c0b6 !important;
    box-shadow: 0 6px 14px rgba(35, 192, 182, 0.22) !important;
}

.tc-tab-nav-btn .tc-badge-num {
    background: #ef4444;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 10px;
    margin-left: 5px;
}

.tc-tab-contenido {
    background: #ffffff;
    padding: 24px;
    border-radius: 0 0 12px 12px;
    border: 1px solid #e2e8f0;
    border-top: none;
    min-height: 300px;
}

.tc-tab-panel {
    display: none;
}

.tc-tab-panel.activo {
    display: block;
}

/* =============================================
   CARDS / TARJETAS
   ============================================= */
.tc-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    transition: box-shadow 0.2s;
}

.tc-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.tc-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid #f1f5f9;
}

.tc-card-titulo {
    font-size: 16px;
    font-weight: 600;
    color: var(--tc-color-texto, #1e293b);
    margin: 0;
}

/* =============================================
   TARJETAS DE PROFESOR
   ============================================= */
.tc-profesores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
    margin-top: 16px;
}

.tc-profesor-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 24px 20px;
    text-align: center;
    transition: all 0.2s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.tc-profesor-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    border-color: var(--tc-color-primario, #2563eb);
}

.tc-profesor-foto {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--tc-color-primario, #2563eb);
    margin: 0 auto 12px;
    display: block;
}

.tc-profesor-foto-placeholder {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--tc-color-primario, #2563eb);
    color: #ffffff;
    font-size: 28px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
}

.tc-profesor-nombre {
    font-size: 16px;
    font-weight: 700;
    color: var(--tc-color-texto, #1e293b);
    margin: 0 0 6px;
}

.tc-profesor-materias {
    font-size: 13px;
    color: #64748b;
    margin-bottom: 10px;
}

.tc-profesor-rating {
    color: #f59e0b;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 14px;
}

.tc-profesor-idiomas {
    display: flex;
    justify-content: center;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.tc-tag {
    display: inline-block;
    background: #f1f5f9;
    color: #475569;
    font-size: 11px;
    padding: 3px 10px;
    border-radius: 20px;
    font-weight: 500;
}

/* =============================================
   TABLA DE CLASES
   ============================================= */
.tc-tabla-responsive {
    overflow-x: auto;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.tc-tabla {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.tc-tabla thead th {
    background: #f8fafc;
    padding: 12px 14px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid #e2e8f0;
    white-space: nowrap;
}

.tc-tabla tbody tr {
    border-bottom: 1px solid #f1f5f9;
    transition: background 0.15s;
}

.tc-tabla tbody tr:hover {
    background: #f8fafc;
}

.tc-tabla tbody tr:last-child {
    border-bottom: none;
}

.tc-tabla tbody td {
    padding: 12px 14px;
    color: var(--tc-color-texto, #1e293b);
    vertical-align: middle;
}

/* =============================================
   BADGES DE ESTADO
   ============================================= */
.tc-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    white-space: nowrap;
}

.tc-badge-confirmed      { background: #d1fae5; color: #065f46; }
.tc-badge-completed      { background: #dbeafe; color: #1e40af; }
.tc-badge-validated      { background: #dcfce7; color: #166534; }
.tc-badge-issue          { background: #fee2e2; color: #991b1b; }
.tc-badge-cancelled      { background: #fee2e2; color: #991b1b; }
.tc-badge-payment_review { background: #fef3c7; color: #92400e; }
.tc-badge-pending_payment{ background: #f3f4f6; color: #374151; }
.tc-badge-rescheduled    { background: #ede9fe; color: #5b21b6; }
.tc-badge-active         { background: #d1fae5; color: #065f46; }
.tc-badge-pending        { background: #fef3c7; color: #92400e; }

/* =============================================
   FORMULARIOS
   ============================================= */
.tc-form-grupo {
    margin-bottom: 16px;
}

.tc-form-grupo label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--tc-color-texto, #1e293b);
    margin-bottom: 6px;
}

.tc-form-grupo label span.requerido {
    color: #ef4444;
    margin-left: 3px;
}

.tc-input {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid #d1d5db;
    border-radius: var(--tc-borde-boton, 8px);
    font-size: 14px;
    font-family: var(--tc-fuente, 'Inter', sans-serif);
    color: var(--tc-color-texto, #1e293b);
    background: #ffffff;
    transition: border-color 0.2s, box-shadow 0.2s;
    appearance: none;
}

.tc-input:focus {
    outline: none;
    border-color: var(--tc-color-primario, #2563eb);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--tc-color-primario, #2563eb) 15%, transparent);
}

.tc-input::placeholder {
    color: #9ca3af;
}

textarea.tc-input {
    resize: vertical;
    min-height: 100px;
}

select.tc-input {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236B7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 20px;
    padding-right: 36px;
    cursor: pointer;
}

.tc-form-error {
    color: #ef4444;
    font-size: 12px;
    margin-top: 4px;
}

.tc-form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

/* =============================================
   MENSAJES DE ALERTA PÚBLICO
   ============================================= */
.tc-alerta-pub {
    padding: 14px 18px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 16px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.tc-alerta-pub-ok      { background: #d1fae5; color: #065f46; border-left: 4px solid #059669; }
.tc-alerta-pub-error   { background: #fee2e2; color: #991b1b; border-left: 4px solid #ef4444; }
.tc-alerta-pub-info    { background: #dbeafe; color: #1e40af; border-left: 4px solid #3b82f6; }
.tc-alerta-pub-warning { background: #fef3c7; color: #92400e; border-left: 4px solid #f59e0b; }

/* =============================================
   WIZARD DE AGENDAMIENTO (pasos)
   ============================================= */
.tc-wizard-pasos {
    display: flex;
    justify-content: center;
    gap: 0;
    margin-bottom: 28px;
    overflow-x: auto;
}

.tc-wizard-paso {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: #94a3b8;
    white-space: nowrap;
}

.tc-wizard-paso.activo    { color: var(--tc-color-primario, #2563eb); }
.tc-wizard-paso.completado { color: #059669; }

.tc-wizard-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid #cbd5e1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

.tc-wizard-paso.activo .tc-wizard-num {
    background: var(--tc-color-primario, #2563eb);
    border-color: var(--tc-color-primario, #2563eb);
    color: #ffffff;
}

.tc-wizard-paso.completado .tc-wizard-num {
    background: #059669;
    border-color: #059669;
    color: #ffffff;
}

.tc-wizard-linea {
    width: 40px;
    height: 2px;
    background: #e2e8f0;
    flex-shrink: 0;
}

.tc-wizard-step        { display: none; }
.tc-wizard-step.activo { display: block; }

/* =============================================
   SLOTS DE HORARIO
   ============================================= */
.tc-slots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 8px;
    margin-top: 12px;
}

.tc-slot-btn {
    padding: 10px 8px;
    border: 2px solid #e2e8f0;
    border-radius: var(--tc-borde-boton, 8px);
    background: #ffffff;
    font-size: 13px;
    font-weight: 600;
    color: var(--tc-color-texto, #1e293b);
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
    font-family: var(--tc-fuente, 'Inter', sans-serif);
}

.tc-slot-btn:hover {
    border-color: var(--tc-color-primario, #2563eb);
    background: color-mix(in srgb, var(--tc-color-primario, #2563eb) 8%, white);
    color: var(--tc-color-primario, #2563eb);
}

.tc-slot-btn.seleccionado {
    background: var(--tc-color-primario, #2563eb);
    border-color: var(--tc-color-primario, #2563eb);
    color: #ffffff;
}

.tc-slot-btn.ocupado {
    background: #f1f5f9;
    color: #94a3b8;
    cursor: not-allowed;
    border-color: #e2e8f0;
    text-decoration: line-through;
}

/* =============================================
   DISPONIBILIDAD DEL PROFESOR
   ============================================= */
.tc-semana-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
    margin-bottom: 16px;
}

.tc-dia-col {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 10px 8px;
    min-height: 120px;
}

.tc-dia-nombre {
    font-size: 12px;
    font-weight: 600;
    color: #64748b;
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 8px;
}

.tc-dia-activo .tc-dia-nombre {
    color: var(--tc-color-primario, #2563eb);
}

/* =============================================
   CHAT INTERNO
   ============================================= */
.tc-chat-wrapper {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 0;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    overflow: hidden;
    height: 500px;
}

.tc-chat-lista {
    border-right: 1px solid #e2e8f0;
    overflow-y: auto;
    background: #f8fafc;
}

.tc-chat-contacto {
    padding: 14px 16px;
    cursor: pointer;
    border-bottom: 1px solid #e2e8f0;
    transition: background 0.15s;
    display: flex;
    align-items: center;
    gap: 10px;
}

.tc-chat-contacto:hover,
.tc-chat-contacto.activo {
    background: color-mix(in srgb, var(--tc-color-primario, #2563eb) 8%, white);
}

.tc-chat-contacto-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--tc-color-primario, #2563eb);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

.tc-chat-contacto-info     { flex: 1; min-width: 0; }

.tc-chat-contacto-nombre {
    font-size: 14px;
    font-weight: 600;
    color: var(--tc-color-texto, #1e293b);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tc-chat-no-leidos {
    background: var(--tc-color-primario, #2563eb);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 10px;
    flex-shrink: 0;
}

.tc-chat-ventana {
    display: flex;
    flex-direction: column;
    background: #ffffff;
}

.tc-chat-mensajes {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.tc-mensaje {
    max-width: 70%;
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 14px;
    line-height: 1.5;
    word-break: break-word;
}

.tc-mensaje-enviado {
    background: var(--tc-color-primario, #2563eb);
    color: #ffffff;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.tc-mensaje-recibido {
    background: #f1f5f9;
    color: var(--tc-color-texto, #1e293b);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.tc-mensaje-hora {
    font-size: 11px;
    opacity: 0.7;
    margin-top: 4px;
    text-align: right;
}

.tc-chat-input-area {
    padding: 12px 16px;
    border-top: 1px solid #e2e8f0;
    display: flex;
    gap: 8px;
    align-items: flex-end;
}

.tc-chat-input-area textarea {
    flex: 1;
    border: 1.5px solid #d1d5db;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 14px;
    font-family: var(--tc-fuente, 'Inter', sans-serif);
    resize: none;
    max-height: 100px;
    min-height: 44px;
}

.tc-chat-input-area textarea:focus {
    outline: none;
    border-color: var(--tc-color-primario, #2563eb);
}

/* =============================================
   RESEÑAS
   ============================================= */
.tc-resenas-lista {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 16px;
}

.tc-resena-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 16px;
}

.tc-resena-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.tc-resena-autor   { font-size: 14px; font-weight: 600; color: var(--tc-color-texto, #1e293b); }
.tc-resena-fecha   { font-size: 12px; color: #94a3b8; }
.tc-resena-estrellas { color: #f59e0b; font-size: 16px; margin-bottom: 8px; }
.tc-resena-comentario { font-size: 14px; color: #475569; line-height: 1.6; }

/* =============================================
   ESTRELLAS INTERACTIVAS
   ============================================= */
.tc-estrellas-input {
    display: flex;
    gap: 6px;
    margin-bottom: 8px;
}

.tc-estrella-btn {
    font-size: 28px;
    cursor: pointer;
    color: #d1d5db;
    background: none;
    border: none;
    padding: 0;
    transition: color 0.15s, transform 0.15s;
    line-height: 1;
}

.tc-estrella-btn:hover,
.tc-estrella-btn.activa {
    color: #f59e0b;
    transform: scale(1.15);
}

/* =============================================
   PERFIL PÚBLICO DEL PROFESOR
   ============================================= */
.tc-perfil-profesor  { max-width: 800px; margin: 0 auto; }

.tc-perfil-cabecera {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 28px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.tc-perfil-foto {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--tc-color-primario, #2563eb);
    flex-shrink: 0;
}

.tc-perfil-info h2       { font-size: 24px; font-weight: 700; color: var(--tc-color-texto, #1e293b); margin: 0 0 8px; }
.tc-perfil-rating-grande { font-size: 18px; color: #f59e0b; font-weight: 600; margin-bottom: 10px; }
.tc-perfil-bio           { font-size: 15px; color: #475569; line-height: 1.7; margin-bottom: 10px; }

.tc-perfil-seccion {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 20px 24px;
    margin-bottom: 16px;
}

.tc-perfil-seccion h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--tc-color-primario, #2563eb);
    margin: 0 0 14px;
    padding-bottom: 8px;
    border-bottom: 2px solid #f1f5f9;
}

/* =============================================
   SPINNER DE CARGA
   ============================================= */
.tc-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #e2e8f0;
    border-top-color: var(--tc-color-primario, #2563eb);
    border-radius: 50%;
    animation: tc-spin 0.7s linear infinite;
    vertical-align: middle;
    margin-right: 6px;
}

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

.tc-cargando {
    text-align: center;
    padding: 40px 20px;
    color: #94a3b8;
    font-size: 15px;
}

/* =============================================
   LOGIN Y REGISTRO
   ============================================= */
.tc-auth-box {
    max-width: 440px;
    margin: 40px auto;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 36px 32px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.tc-auth-box h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--tc-color-texto, #1e293b);
    margin: 0 0 6px;
    text-align: center;
}

.tc-auth-box .tc-auth-subtitulo {
    font-size: 14px;
    color: #64748b;
    text-align: center;
    margin-bottom: 24px;
}

.tc-auth-separador {
    text-align: center;
    font-size: 13px;
    color: #94a3b8;
    margin: 16px 0;
    position: relative;
}

.tc-auth-separador::before,
.tc-auth-separador::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: #e2e8f0;
}

.tc-auth-separador::before { left: 0; }
.tc-auth-separador::after  { right: 0; }

/* =============================================
   SUBIDA DE ARCHIVO (comprobante)
   ============================================= */
.tc-upload-area {
    border: 2px dashed #cbd5e1;
    border-radius: var(--tc-borde-boton, 8px);
    padding: 28px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: #f8fafc;
}

.tc-upload-area:hover,
.tc-upload-area.dragover {
    border-color: var(--tc-color-primario, #2563eb);
    background: color-mix(in srgb, var(--tc-color-primario, #2563eb) 5%, white);
}

.tc-upload-area .tc-upload-icono { font-size: 36px; margin-bottom: 8px; }
.tc-upload-area p { font-size: 14px; color: #64748b; margin: 0; }
.tc-upload-area .tc-upload-link  { color: var(--tc-color-primario, #2563eb); font-weight: 600; cursor: pointer; }

.tc-archivo-seleccionado {
    margin-top: 10px;
    padding: 10px 14px;
    background: #d1fae5;
    border-radius: 8px;
    font-size: 13px;
    color: #065f46;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tc-selector-nivel-publico,
.tc-carrusel-materias-selector {
    width: 100%;
    margin-bottom: 26px;
    text-align: center;
}

.tc-selector-nivel-titulo {
    margin: 0 0 15px;
    color: var(--tc-color-texto, #1e293b);
    font-size: 24px;
    font-weight: 700;
    line-height: 1.25;
    text-align: center;
}

.tc-selector-nivel-botones,
.tc-nivel-selector {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
    width: 100%;
    margin-bottom: 22px;
}

.tc-profesor-nivel-btn,
.tc-nivel-materia-btn,
.tc-carrusel-materia-nivel-btn {
    min-width: 180px;
    padding: 14px 24px !important;
    font-size: 18px !important;
    font-weight: 700 !important;
}

.tc-nivel-materia-btn.activo,
.tc-nivel-materia-btn:hover,
.tc-profesor-nivel-btn.activo,
.tc-profesor-nivel-btn:hover,
.tc-carrusel-materia-nivel-btn.activo,
.tc-carrusel-materia-nivel-btn:hover {
    background: var(--tc-btn-level-active, #23c0b6) !important;
    color: var(--tc-btn-level-active-text, #ffffff) !important;
    border-color: var(--tc-btn-level-active, #23c0b6) !important;
}

.tc-carrusel-materias-panel[hidden] {
    display: none !important;
}

#tc-filtros-profesores {
    justify-content: center;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 768px) {
    .tc-panel-wrapper  { padding: 12px 10px; }
    .tc-tab-contenido  { padding: 16px 12px; }
    .tc-profesores-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
    .tc-semana-grid    { grid-template-columns: repeat(4, 1fr); }

    .tc-chat-wrapper   { grid-template-columns: 1fr; height: auto; }
    .tc-chat-lista     { max-height: 200px; border-right: none; border-bottom: 1px solid #e2e8f0; }
    .tc-chat-ventana   { height: 400px; }

    .tc-perfil-cabecera { flex-direction: column; align-items: center; text-align: center; }
    .tc-form-grid-2    { grid-template-columns: 1fr; }
    .tc-auth-box       { padding: 24px 18px; margin: 20px auto; }
    .tc-wizard-pasos   { justify-content: flex-start; padding-bottom: 8px; }
}

@media (max-width: 480px) {
    .tc-semana-grid { grid-template-columns: repeat(2, 1fr); }
    .tc-slots-grid  { grid-template-columns: repeat(3, 1fr); }
    .tc-panel-header { flex-direction: column; gap: 8px; text-align: center; }

    .tc-selector-nivel-titulo {
        font-size: 21px;
    }

    .tc-selector-nivel-botones,
    .tc-nivel-selector {
        gap: 10px;
    }

    .tc-profesor-nivel-btn,
    .tc-nivel-materia-btn,
    .tc-carrusel-materia-nivel-btn {
        width: 100%;
        max-width: 260px;
    }

    #tc-filtros-profesores > div,
    #tc-filtros-profesores .tc-input,
    #tc-btn-filtrar-profesores {
        width: 100% !important;
    }
}

/* =============================================
   CARRUSEL PUBLICO DE PROFESORES
   ============================================= */
.tc-profesores-carrusel,
.tc-materias-carrusel {
    position: relative;
    width: 100%;
    padding: 8px 52px;
    font-family: var(--tc-fuente, Inter, sans-serif);
}

.tc-carrusel-ventana {
    width: 100%;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
}

.tc-carrusel-ventana::-webkit-scrollbar {
    display: none;
}

.tc-carrusel-pista {
    display: flex;
    align-items: stretch;
    gap: 24px;
}

.tc-carrusel-slide {
    flex: 0 0 calc((100% - 24px) / 2);
    min-width: 0;
    scroll-snap-align: start;
}

.tc-carrusel-profesor-card {
    min-height: 310px;
    height: 100%;
    padding: 28px 24px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: #ffffff;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.tc-carrusel-profesor-foto,
.tc-carrusel-profesor-placeholder {
    width: 96px;
    height: 96px;
    margin: 0 auto 18px;
    border-radius: 50%;
}

.tc-carrusel-perfil-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.tc-carrusel-profesor-foto {
    display: block;
    object-fit: cover;
    border: 3px solid #e2e8f0;
}

.tc-carrusel-profesor-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--tc-color-primario, #2563eb);
    color: #ffffff;
    font-size: 32px;
    font-weight: 700;
}

.tc-carrusel-profesor-nombre {
    width: 100%;
    margin: 0 0 10px;
    color: var(--tc-color-texto, #1e293b);
    font-size: 21px;
    font-weight: 700;
    line-height: 1.25;
    overflow-wrap: anywhere;
}

.tc-carrusel-profesor-nombre a {
    color: inherit;
    text-decoration: none;
}

.tc-carrusel-profesor-nombre a:hover,
.tc-carrusel-profesor-nombre a:focus-visible {
    color: var(--tc-color-primario, #2563eb);
}

.tc-carrusel-rating,
.tc-carrusel-sin-resenas {
    min-height: 28px;
    margin-bottom: 18px;
    font-size: 15px;
    line-height: 1.6;
}

.tc-carrusel-rating strong {
    color: var(--tc-color-texto, #1e293b);
}

.tc-carrusel-estrellas {
    margin-left: 6px;
    color: #f5a800;
    font-size: 19px;
    white-space: nowrap;
}

.tc-carrusel-total-resenas,
.tc-carrusel-sin-resenas {
    color: #64748b;
}

.tc-carrusel-total-resenas {
    margin-left: 5px;
    font-size: 13px;
}

.tc-carrusel-agendar {
    margin-top: auto;
    min-width: 178px;
    text-align: center;
}

.tc-carrusel-materia-card {
    min-height: 280px;
    height: 100%;
    padding: 26px 24px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: #ffffff;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
    color: var(--tc-color-texto, #1e293b);
    text-align: center;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.tc-carrusel-materia-card:hover,
.tc-carrusel-materia-card:focus-visible {
    border-color: var(--tc-color-primario, #2563eb);
    box-shadow: 0 8px 22px rgba(15, 23, 42, 0.12);
}

.tc-carrusel-materia-icono {
    width: 64px;
    height: 64px;
    margin-bottom: 14px;
    border-radius: 50%;
    background: #dff7f3;
    color: #087f72;
    font-size: 27px;
    font-weight: 700;
    line-height: 64px;
}

.tc-carrusel-materia-nivel {
    margin-bottom: 7px;
    color: #64748b;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.tc-carrusel-materia-card h3 {
    width: 100%;
    margin: 0 0 8px;
    color: var(--tc-color-texto, #1e293b);
    font-size: 21px;
    line-height: 1.3;
    overflow-wrap: anywhere;
}

.tc-carrusel-materia-card p {
    margin: 0 0 10px;
    color: #64748b;
    font-size: 14px;
    line-height: 1.5;
}

.tc-carrusel-materia-total {
    margin-bottom: 18px;
    color: #475569;
    font-size: 14px;
}

.tc-carrusel-materia-boton {
    margin-top: auto;
    min-width: 160px;
}

.tc-carrusel-control {
    position: absolute;
    z-index: 2;
    top: 50%;
    width: 40px;
    height: 40px;
    padding: 0;
    transform: translateY(-50%);
    border: 1px solid #cbd5e1;
    border-radius: 50%;
    background: #ffffff;
    color: var(--tc-color-texto, #1e293b);
    box-shadow: 0 3px 12px rgba(15, 23, 42, 0.12);
    font-size: 30px;
    line-height: 34px;
    cursor: pointer;
}

.tc-carrusel-control:hover:not(:disabled),
.tc-carrusel-control:focus-visible {
    border-color: var(--tc-btn-secondary-border, #f1a662);
    color: var(--tc-btn-secondary-text, #f1a662);
}

.tc-carrusel-control:disabled {
    opacity: 0.3;
    cursor: default;
}

.tc-carrusel-anterior {
    left: 2px;
}

.tc-carrusel-siguiente {
    right: 2px;
}

@media (max-width: 700px) {
    .tc-profesores-carrusel,
    .tc-materias-carrusel {
        padding-right: 40px;
        padding-left: 40px;
    }

    .tc-carrusel-pista {
        gap: 14px;
    }

    .tc-carrusel-slide {
        flex-basis: 88%;
    }

    .tc-carrusel-profesor-card {
        min-height: 290px;
        padding: 24px 18px;
    }

    .tc-carrusel-materia-card {
        min-height: 270px;
        padding: 22px 18px;
    }

    .tc-carrusel-control {
        width: 34px;
        height: 34px;
        font-size: 26px;
        line-height: 29px;
    }
}