/* =====================================================
   RADIO FM - Estilos para Registro Responsive
   Diseño mejorado para mobile y desktop
   ===================================================== */

/* === REGISTRO PAGE === */
.registro-page {
    background: var(--bg-dark);
    background-image: 
        radial-gradient(ellipse at 20% 80%, rgba(0, 240, 255, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255, 0, 170, 0.05) 0%, transparent 50%),
        linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #0a0a0f 100%);
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* === NAV PARA REGISTRO === */
.registro-page .nav-main {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    position: static;
    z-index: 100;
    padding: 1rem 0;
}

.registro-page .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: auto;
    padding: 0 var(--spacing-lg);
    min-height: 70px;
}

/* === REGISTRO CONTAINER === */
.registro-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    min-height: calc(100vh - 70px);
}

.registro-content {
    width: 100%;
    max-width: 600px;
}

.registro-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 240, 255, 0.1);
}

.registro-header {
    text-align: center;
    margin-bottom: 2rem;
}

.registro-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: #fff;
}

.registro-header p {
    color: var(--text-muted);
    margin: 0;
}

/* === REGISTRO FORM === */
.registro-form {
    width: 100%;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-row-3 {
    grid-template-columns: 1fr 1fr 1fr;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group:last-of-type {
    margin-bottom: 2rem;
}

.form-label {
    display: block;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(10, 10, 20, 0.9);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
}

.form-control::placeholder {
    color: var(--text-muted);
}

select.form-control {
    cursor: pointer;
}

/* === FORM CHECK === */
.form-check {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.form-check-input {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.form-check a {
    color: var(--primary);
    text-decoration: none;
}

.form-check a:hover {
    color: var(--secondary);
}

/* === REGISTRO BUTTON === */
.registro-btn {
    font-size: 1rem;
    padding: 0.85rem 2rem;
    width: 100%;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.registro-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.8);
}

/* === REGISTRO FOOTER === */
.registro-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.registro-footer p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.registro-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.registro-footer a:hover {
    color: var(--secondary);
}

/* === ALERTS === */
.alert {
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    border: 1px solid;
}

.alert p {
    margin: 0.5rem 0;
}

.alert p:first-child {
    margin-top: 0;
}

.alert p:last-child {
    margin-bottom: 0;
}

.alert-danger {
    background: rgba(255, 51, 102, 0.1);
    border-color: rgba(255, 51, 102, 0.3);
    color: #ff6699;
}

.alert-success {
    background: rgba(0, 255, 136, 0.1);
    border-color: rgba(0, 255, 136, 0.3);
    color: var(--success);
}

/* === RESPONSIVE DESKTOP (1024px+) === */
@media (min-width: 1024px) {
    .registro-card {
        padding: 3rem 2.5rem;
    }
    
    .registro-header h1 {
        font-size: 2.2rem;
    }
}

/* === RESPONSIVE TABLET (768px - 1023px) === */
@media (max-width: 1023px) and (min-width: 768px) {
    .registro-container {
        padding: 2rem 1rem;
    }
    
    .registro-card {
        padding: 2.5rem;
    }
    
    .registro-header h1 {
        font-size: 1.8rem;
    }
    
    .form-row-3 {
        grid-template-columns: 1fr;
    }
}

/* === RESPONSIVE MOBILE (< 768px) === */
@media (max-width: 767px) {
    body.registro-page {
        display: flex;
        flex-direction: column;
        min-height: 100vh;
    }
    
    .registro-page .nav-main {
        padding: 1rem 0;
    }
    
    .registro-page .header-inner {
        flex-wrap: wrap;
        gap: 1rem;
        padding: 0.5rem var(--spacing-sm);
    }
    
    .registro-page .logo {
        font-size: 1rem;
    }
    
    .registro-page .logo-icon {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .registro-page .logo span {
        display: none;
    }
    
    .registro-page .header-actions {
        width: 100%;
        gap: var(--spacing-sm);
        order: 3;
    }
    
    .registro-page .header-actions .text-muted {
        display: none;
    }
    
    .registro-container {
        padding: 1rem;
        min-height: auto;
    }
    
    .registro-content {
        max-width: 100%;
    }
    
    .registro-card {
        padding: 1.5rem;
    }
    
    .registro-header {
        margin-bottom: 1.5rem;
    }
    
    .registro-header h1 {
        font-size: 1.5rem;
        margin-bottom: 0.25rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .form-row-3 {
        grid-template-columns: 1fr;
    }
    
    .form-group {
        margin-bottom: 1rem;
    }
    
    .form-label {
        font-size: 0.9rem;
    }
    
    .form-control {
        padding: 0.7rem 0.9rem;
        font-size: 16px; /* Evita zoom en iOS */
    }
    
    .registro-btn {
        font-size: 0.95rem;
        padding: 0.8rem 1.5rem;
    }
    
    .registro-footer {
        margin-top: 1.5rem;
        padding-top: 1rem;
    }
    
    .registro-footer p {
        font-size: 0.85rem;
    }
    
    .btn-sm {
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
    }
    
    .alert {
        padding: 0.75rem;
        font-size: 0.85rem;
        margin-bottom: 1rem;
    }
    
    .form-check {
        font-size: 0.85rem;
    }
}

/* === MOBILE PEQUEÑO (< 480px) === */
@media (max-width: 479px) {
    .registro-page .header-inner {
        padding: 0.5rem var(--spacing-xs);
    }
    
    .registro-card {
        padding: 1rem;
        border-radius: var(--radius-md);
    }
    
    .registro-header h1 {
        font-size: 1.25rem;
    }
    
    .form-group {
        margin-bottom: 0.9rem;
    }
    
    .form-control {
        padding: 0.65rem 0.8rem;
        font-size: 16px;
    }
    
    .alert {
        padding: 0.75rem;
        font-size: 0.85rem;
    }
}

/* === LANDSCAPE MOBILE === */
@media (max-height: 600px) and (orientation: landscape) {
    .registro-header {
        margin-bottom: 1rem;
    }
    
    .registro-header h1 {
        font-size: 1.25rem;
        margin-bottom: 0.25rem;
    }
    
    .registro-header p {
        font-size: 0.85rem;
    }
    
    .registro-card {
        padding: 1rem;
    }
    
    .form-group {
        margin-bottom: 0.75rem;
    }
    
    .form-row {
        gap: 0.5rem;
    }
}

/* === PRINT === */
@media print {
    .registro-page .nav-main,
    .registro-footer {
        display: none;
    }
}