/* ==========================================================================
   CEPSA - Sistema de Citas Médicas
   Hoja de Estilos del Agendador de Citas (Identidad Oficial CEPSA)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    /* Paleta Oficial CEPSA */
    --color-primary: #0A1931;        /* Navy Profundo */
    --color-primary-light: #162B4D;
    --color-secondary: #0D9488;      /* Teal Clínico */
    --color-secondary-light: #14B8A6;
    --color-secondary-dark: #0F766E;
    --color-accent: #D87E34;         /* Cobre / Ocre Cálido */
    --color-accent-light: #F97316;
    
    /* Superficies y Neutros */
    --color-bg: #F8FAFC;
    --color-surface: #FFFFFF;
    --color-text-dark: #1E293B;
    --color-text-muted: #64748B;
    --color-border: #E2E8F0;
    --color-border-hover: #CBD5E1;
    
    /* Estados */
    --color-success: #10B981;
    --color-danger: #EF4444;
    --color-warning: #F59E0B;
    
    /* Tipografía */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Elevaciones y Bordes */
    --shadow-sm: 0 1px 3px rgba(10, 25, 49, 0.05);
    --shadow-md: 0 4px 12px -2px rgba(10, 25, 49, 0.08);
    --shadow-lg: 0 12px 28px -6px rgba(10, 25, 49, 0.12);
    --shadow-xl: 0 20px 40px -10px rgba(10, 25, 49, 0.16);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text-dark);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   Header & Navbar
   ========================================================================== */
.cepsa-header {
    background-color: var(--color-primary);
    color: white;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 15px rgba(0,0,0,0.15);
}

.top-bar {
    background: rgba(0, 0, 0, 0.2);
    padding: 6px 0;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-links {
    display: flex;
    gap: 18px;
}

.top-bar-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.top-bar-links a:hover {
    color: #38BDF8;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: white;
}

.brand-logo img {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.brand-info h1 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.1;
}

.brand-info span {
    font-size: 0.75rem;
    color: #94A3B8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 14px;
}

.nav-btn {
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 600;
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.nav-btn-ghost {
    color: rgba(255, 255, 255, 0.85);
    background: transparent;
}

.nav-btn-ghost:hover {
    color: white;
    background: rgba(255, 255, 255, 0.08);
}

.nav-btn-accent {
    background: var(--color-accent);
    color: white;
    box-shadow: 0 4px 12px rgba(216, 126, 52, 0.3);
}

.nav-btn-accent:hover {
    background: #E58A40;
    transform: translateY(-1px);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-citas {
    background: linear-gradient(135deg, var(--color-primary) 0%, #0c2347 100%);
    color: white;
    padding: 40px 0 50px 0;
    position: relative;
    overflow: hidden;
}

.hero-citas::after {
    content: '';
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(13, 148, 136, 0.25) 0%, transparent 70%);
    pointer-events: none;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(13, 148, 136, 0.25);
    border: 1px solid rgba(20, 184, 166, 0.4);
    color: #2DD4BF;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 10px;
}

.hero-title span {
    color: #2DD4BF;
}

.hero-subtitle {
    font-size: 1rem;
    color: #94A3B8;
    max-width: 650px;
}

/* ==========================================================================
   Main Booking Layout (2 Columns)
   ========================================================================== */
.booking-section {
    padding: 36px 0 70px 0;
}

.booking-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 30px;
    align-items: flex-start;
}

@media (max-width: 992px) {
    .booking-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Left Column: Booking Steps / Form Cards
   ========================================================================== */
.form-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.form-card:hover {
    box-shadow: var(--shadow-md);
}

.step-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.step-number {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--color-secondary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    font-family: var(--font-heading);
    flex-shrink: 0;
}

.step-header h2 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-primary);
}

.step-header p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Grid de Opciones (Sedes y Estudios) */
.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 14px;
}

.option-card {
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 16px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    background: white;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.option-card:hover {
    border-color: var(--color-secondary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.option-card.selected {
    border-color: var(--color-secondary);
    background-color: #F0FDFA;
    box-shadow: 0 0 0 1px var(--color-secondary);
}

.option-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 8px;
}

.option-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
}

.option-icon {
    font-size: 1.2rem;
    color: var(--color-secondary);
}

.option-desc {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    line-height: 1.4;
    margin-bottom: 12px;
}

.option-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 10px;
    border-top: 1px dashed var(--color-border);
}

.price-tag {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-secondary-dark);
}

.price-sub {
    font-size: 0.72rem;
    color: var(--color-text-muted);
    font-weight: normal;
}

.badge-check {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    color: transparent;
    transition: var(--transition);
}

.option-card.selected .badge-check {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
    color: white;
}

/* Selector de Fechas */
.fechas-container {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding: 6px 2px 14px 2px;
}

.fecha-pill {
    flex: 0 0 115px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 12px 10px;
    text-align: center;
    cursor: pointer;
    background: white;
    transition: var(--transition);
}

.fecha-pill:hover {
    border-color: var(--color-secondary-light);
    transform: translateY(-2px);
}

.fecha-pill.selected {
    border-color: var(--color-secondary);
    background: #F0FDFA;
    box-shadow: 0 0 0 1px var(--color-secondary);
}

.fecha-dia-semana {
    font-size: 0.72rem;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 2px;
}

.fecha-numero {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.1;
}

.fecha-mes {
    font-size: 0.75rem;
    color: var(--color-secondary);
    font-weight: 600;
    margin-top: 2px;
}

/* Selector de Horarios (Slots) */
.horarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 10px;
}

.horario-slot {
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 10px 8px;
    text-align: center;
    cursor: pointer;
    background: white;
    transition: var(--transition);
}

.horario-slot:hover:not(.disabled) {
    border-color: var(--color-secondary);
    transform: translateY(-2px);
}

.horario-slot.selected {
    border-color: var(--color-secondary);
    background: var(--color-secondary);
    color: white;
}

.horario-slot.disabled {
    background: #F1F5F9;
    border-color: #E2E8F0;
    color: #94A3B8;
    cursor: not-allowed;
    opacity: 0.7;
}

.slot-hora {
    font-weight: 600;
    font-size: 0.95rem;
}

.slot-cupo {
    font-size: 0.7rem;
    margin-top: 3px;
    display: block;
}

.horario-slot.selected .slot-cupo {
    color: rgba(255, 255, 255, 0.9);
}

/* Formulario de Paciente */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
}

.form-group input,
.form-group select {
    padding: 11px 14px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
    background: white;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.form-helper {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   Right Column: Sticky Summary Card
   ========================================================================== */
.summary-wrapper {
    position: sticky;
    top: 90px;
}

.summary-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.summary-header {
    background: var(--color-primary);
    color: white;
    padding: 18px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.summary-header h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
}

.summary-badge {
    background: rgba(255, 255, 255, 0.15);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

.summary-body {
    padding: 20px;
}

.summary-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.summary-icon {
    color: var(--color-secondary);
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
    margin-top: 2px;
}

.summary-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--color-text-muted);
    font-weight: 600;
    margin-bottom: 2px;
}

.summary-val {
    font-weight: 600;
    color: var(--color-primary);
}

.summary-divider {
    height: 1px;
    background: var(--color-border);
    margin: 18px 0;
}

.cuota-box {
    background: #F8FAFC;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 14px;
    text-align: center;
    margin-bottom: 20px;
}

.cuota-title {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.cuota-amount {
    font-family: var(--font-heading);
    font-size: 1.9rem;
    font-weight: 800;
    color: var(--color-secondary-dark);
    margin: 4px 0;
}

.cuota-note {
    font-size: 0.72rem;
    color: var(--color-text-muted);
}

.btn-submit-cita {
    width: 100%;
    background: var(--color-secondary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    padding: 14px 20px;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 14px rgba(13, 148, 136, 0.35);
    transition: var(--transition);
}

.btn-submit-cita:hover:not(:disabled) {
    background: #0B7A70;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(13, 148, 136, 0.45);
}

.btn-submit-cita:disabled {
    background: #94A3B8;
    box-shadow: none;
    cursor: not-allowed;
    opacity: 0.7;
}

.trust-badges {
    margin-top: 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.trust-badge-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    color: var(--color-text-muted);
}

.trust-badge-item i {
    color: var(--color-success);
}

/* ==========================================================================
   Modal de Confirmación de Cita
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 25, 49, 0.65);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.modal-card {
    background: white;
    border-radius: var(--radius-md);
    max-width: 560px;
    width: 100%;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    animation: modalIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header-success {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    color: white;
    padding: 26px 24px;
    text-align: center;
    position: relative;
}

.modal-header-success .icon-check {
    width: 56px;
    height: 56px;
    background: white;
    color: var(--color-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 12px auto;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.modal-header-success h2 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    margin-bottom: 4px;
}

.modal-header-success p {
    font-size: 0.88rem;
    opacity: 0.9;
}

.modal-body {
    padding: 24px;
    max-height: 70vh;
    overflow-y: auto;
}

.folio-box {
    background: #F1F5F9;
    border: 2px dashed var(--color-secondary);
    border-radius: var(--radius-sm);
    padding: 14px;
    text-align: center;
    margin-bottom: 20px;
}

.folio-title {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    font-weight: 700;
}

.folio-number {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: 0.05em;
    margin: 4px 0;
}

.receipt-details {
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.receipt-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--color-border);
}

.receipt-row:last-child {
    border-bottom: none;
}

.receipt-label {
    color: var(--color-text-muted);
}

.receipt-value {
    font-weight: 600;
    color: var(--color-primary);
    text-align: right;
}

.instructions-box {
    background: #FEF3C7;
    border-left: 4px solid #F59E0B;
    padding: 12px 14px;
    border-radius: 4px;
    margin-bottom: 24px;
    font-size: 0.82rem;
    color: #92400E;
}

.instructions-box h4 {
    font-weight: 700;
    margin-bottom: 4px;
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-whatsapp {
    background: #25D366;
    color: white;
    text-decoration: none;
    padding: 12px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.95rem;
    transition: var(--transition);
}

.btn-whatsapp:hover {
    background: #1EBE5D;
}

.btn-print {
    background: white;
    border: 1.5px solid var(--color-border);
    color: var(--color-text-dark);
    padding: 11px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.95rem;
    transition: var(--transition);
}

.btn-print:hover {
    background: #F1F5F9;
}

.btn-close-modal {
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    padding: 8px;
    cursor: pointer;
    text-align: center;
}

.btn-close-modal:hover {
    color: var(--color-primary);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.cepsa-footer {
    background: var(--color-primary);
    color: white;
    padding: 50px 0 24px 0;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer-col h4 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    margin-bottom: 14px;
    color: white;
}

.footer-col p {
    font-size: 0.88rem;
    color: #94A3B8;
    line-height: 1.6;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: #94A3B8;
    text-decoration: none;
    font-size: 0.88rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: #38BDF8;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.8rem;
    color: #64748B;
}

/* ==========================================================================
   Modo Impresión (Comprobante / Ficha de Cita)
   ========================================================================== */
@media print {
    body * {
        visibility: hidden;
    }
    .modal-card, .modal-card * {
        visibility: visible;
    }
    .modal-overlay {
        position: absolute;
        left: 0;
        top: 0;
        background: transparent;
        display: block !important;
        padding: 0;
    }
    .modal-card {
        box-shadow: none;
        border: 2px solid #000;
        max-width: 100%;
        margin: 0;
    }
    .modal-actions, .btn-close-modal {
        display: none !important;
    }
}