/* ============================================================
   TEMA COMPARTIDO — Flujo público de registro
   Mismo lenguaje visual que success.php (morado institucional).
   success.php NO usa este archivo a propósito: mantiene su CSS
   propio intacto. Este archivo viste index.php, seleccionar_clases.php
   y cancel.php para que combinen con él.
   ============================================================ */

:root {
    --tc-purple: #6500b3;
    --tc-purple-dark: #4b0082;
    --tc-bg: #f8f9fa;
}

body {
    background-color: var(--tc-bg);
}

.header-institucional {
    background-color: #ffffff;
    padding: 20px 0;
    border-bottom: 1px solid #e0e0e0;
    margin-bottom: 30px;
}

.bg-custom-purple { background-color: var(--tc-purple) !important; color: #fff; }
.text-custom-purple { color: var(--tc-purple) !important; }
.border-custom-purple { border-color: var(--tc-purple) !important; }

.btn-custom-purple {
    background-color: var(--tc-purple) !important;
    border-color: var(--tc-purple) !important;
    color: #fff !important;
}
.btn-custom-purple:hover {
    background-color: var(--tc-purple-dark) !important;
    border-color: var(--tc-purple-dark) !important;
    color: #fff !important;
}

.btn-outline-custom-purple {
    color: var(--tc-purple) !important;
    border-color: var(--tc-purple) !important;
}
.btn-outline-custom-purple:hover {
    background-color: var(--tc-purple) !important;
    color: #fff !important;
}

/* --- Tarjeta de curso / hero --- */
.card {
    border: none;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border-radius: 12px;
}
.card-header {
    border-radius: 12px 12px 0 0 !important;
    font-weight: 600;
}
.hero-curso {
    background: linear-gradient(135deg, var(--tc-purple) 0%, var(--tc-purple-dark) 100%);
    color: #fff;
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    margin-bottom: 28px;
}
.hero-curso img {
    max-width: 260px;
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.25);
}
.hero-curso h1 {
    font-size: 1.6rem;
    font-weight: 700;
    margin: 18px 0 6px;
}

/* --- Indicador de pasos --- */
.step-indicator {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}
.step-indicator .step {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    background: #eee;
    color: #888;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
}
.step-indicator .step .num {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #ccc;
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
}
.step-indicator .step.active {
    background: var(--tc-purple);
    color: #fff;
}
.step-indicator .step.active .num {
    background: #fff;
    color: var(--tc-purple);
}
.step-indicator .step.done {
    background: #e9d9f7;
    color: var(--tc-purple);
}
.step-indicator .step.done .num {
    background: var(--tc-purple);
    color: #fff;
}
.step-indicator .sep {
    color: #ccc;
    font-size: 0.8rem;
}

/* --- Formulario --- */
.form-section-title {
    font-weight: 700;
    color: var(--tc-purple);
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 2px solid #eee2f7;
    display: flex;
    align-items: center;
    gap: 8px;
}
.form-label { font-weight: 600; color: #555; font-size: 0.9rem; }
.form-control, .form-select {
    border-radius: 8px;
}
.form-control:focus, .form-select:focus {
    border-color: var(--tc-purple);
    box-shadow: 0 0 0 0.2rem rgba(101, 0, 179, 0.15);
}

/* --- Selector de modalidad (Online / Presencial) --- */
.modalidad-option {
    display: block;
    cursor: pointer;
    height: 100%;
}
.modalidad-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
.modalidad-option .modalidad-card {
    border: 2px solid #e2e2e2;
    border-radius: 12px;
    padding: 18px 16px;
    text-align: center;
    transition: all .15s ease-in-out;
    height: 100%;
}
.modalidad-option .modalidad-card i {
    font-size: 1.8rem;
    color: var(--tc-purple);
    margin-bottom: 8px;
    display: block;
}
.modalidad-option .modalidad-card .title {
    font-weight: 700;
    color: #333;
}
.modalidad-option .modalidad-card .desc {
    font-size: 0.8rem;
    color: #888;
}
.modalidad-option input:checked + .modalidad-card {
    border-color: var(--tc-purple);
    background: #f7f0fc;
    box-shadow: 0 2px 10px rgba(101,0,179,0.15);
}
.modalidad-option input:checked + .modalidad-card .desc { color: #666; }

/* --- Selección de clases --- */
.clase-item {
    border: 1px solid #eee;
    border-radius: 10px;
    padding: 12px 16px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: border-color .15s;
}
.clase-item:has(input:checked) {
    border-color: var(--tc-purple);
    background: #faf6fd;
}
.clase-item .clase-info { flex: 1; }
.clase-item .clase-titulo { font-weight: 600; color: #333; }
.clase-item .clase-meta { font-size: 0.82rem; color: #888; }
.clase-item .form-check-input:checked {
    background-color: var(--tc-purple);
    border-color: var(--tc-purple);
}

/* --- Métodos de pago --- */
.metodo-pago-btn {
    display: block;
    width: 100%;
    border: 2px solid #e2e2e2;
    border-radius: 12px;
    padding: 20px 16px;
    text-align: center;
    background: #fff;
    transition: all .15s;
    height: 100%;
}
.metodo-pago-btn i { font-size: 1.7rem; color: var(--tc-purple); margin-bottom: 8px; display: block; }
.metodo-pago-btn:hover {
    border-color: var(--tc-purple);
    box-shadow: 0 4px 14px rgba(101,0,179,0.15);
    transform: translateY(-2px);
}
.metodo-pago-btn .title { font-weight: 700; color: #333; }
.metodo-pago-btn .desc { font-size: 0.8rem; color: #888; }

/* --- Genérico páginas de estado (cancel.php, etc.) --- */
.estado-card {
    max-width: 520px;
    margin: 60px auto;
    text-align: center;
    padding: 40px 30px;
}
.estado-card i { font-size: 3rem; margin-bottom: 16px; display: block; }

@media (max-width: 576px) {
    .hero-curso h1 { font-size: 1.3rem; }
    .step-indicator .step { font-size: 0.75rem; padding: 5px 10px; }
}