/* =========================================================================
   IQ PRE — EXECUTIVE PLATFORM DESIGN (ENFOCADO EN SIMULADORES Y MARCA)
   ========================================================================= */

:root {
    --bg-main: #ffffff;
    --card-bg: #ffffff;
    --card-border: 1px solid #eef2f6;
    --text-dark: #0f172a;
    --text-muted: #64748b;
    --primary-blue: #07152b;
    --accent-blue: #2563eb;
    --border-color: #e2e8f0;
    --success: #10b981;
    --error: #ef4444;
}

* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
    font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif; 
}

body { 
    background-color: #ffffff; 
    color: var(--text-dark); 
    min-height: 100vh;
}

.view { display: none; }
.view.active { display: block; }
.text-center { text-align: center; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }

/* ============================================================
   LOGIN — Imagen de fondo completa, formulario superpuesto
   ============================================================ */
#login-view {
    width: 100%;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    background: #fff;
    border-radius: 0;
    border: none;
    box-shadow: none;
    display: block;
    position: relative;
    overflow: hidden;
}

/* Contenedor hero: imagen llena toda la pantalla */
.login-hero {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f1f5f9;
}

/* La imagen de fondo — NO la tocamos */
.login-hero-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    display: block;
    pointer-events: none;
    user-select: none;
}

/* Tarjeta central — centrada entre los dos estudiantes */
.login-center-card {
    position: relative;
    z-index: 10;
    background: rgba(255, 255, 255, 0.96);
    border-radius: 22px;
    box-shadow: 0 10px 50px rgba(7,21,43,0.14);
    padding: 2rem 2.25rem 1.75rem;
    width: 370px;
    max-width: 38vw;
    margin: 0 auto;
    backdrop-filter: blur(2px);
}

/* Título hero */
.login-hero-title {
    font-size: 1.25rem;
    font-weight: 900;
    color: #07152b;
    text-align: center;
    margin: 0.25rem 0 1.25rem;
    line-height: 1.3;
    border-bottom: 3px solid #f59e0b;
    padding-bottom: 0.75rem;
}

/* Lista de campos estilo mockup */
.login-fields-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-bottom: 1.25rem;
}

.login-field-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: #f8fafc;
    border: 1.5px solid #e2e8f0;
    border-radius: 12px;
    padding: 0.7rem 1rem;
    transition: border-color 0.2s;
}

.login-field-item:focus-within {
    border-color: #2563eb;
    background: #fff;
}

.login-field-icon {
    font-size: 1.15rem;
    flex-shrink: 0;
    width: 24px;
    text-align: center;
}

.login-field-item input,
.login-field-item select {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 0.95rem;
    font-weight: 600;
    color: #0f172a;
    outline: none;
    padding: 0;
    min-width: 0;
}

.login-field-item input::placeholder {
    color: #94a3b8;
    font-weight: 500;
}

/* Botón Inscripción Gratuita */
.btn-inscripcion-gratuita {
    width: 100%;
    padding: 0.95rem 1.5rem;
    background: #07152b;
    color: white;
    border: none;
    border-radius: 14px;
    font-size: 1.05rem;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 0.01em;
    margin-bottom: 0.9rem;
    box-shadow: 0 4px 14px rgba(7,21,43,0.25);
}

.btn-inscripcion-gratuita:hover {
    background: #1e3a8a;
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(7,21,43,0.3);
}

/* Recordatorio cédula */
.login-cedula-reminder {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    background: #fffbeb;
    border: 1.5px solid #f59e0b;
    border-radius: 10px;
    padding: 0.65rem 0.9rem;
    margin-bottom: 0.5rem;
}

.login-cedula-reminder p {
    font-size: 0.82rem;
    color: #92400e;
    font-weight: 500;
    line-height: 1.4;
    margin: 0;
}

/* Botón "Ya tengo una cuenta" */
.login-ya-tengo-cuenta {
    background: none;
    border: none;
    color: #2563eb;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    padding: 0.35rem 0.75rem;
    border-radius: 8px;
    transition: background 0.15s;
}

.login-ya-tengo-cuenta:hover {
    background: #eff6ff;
    text-decoration: underline;
}

@media (max-width: 900px) {
    .login-center-card {
        max-width: 70vw;
    }
}

@media (max-width: 640px) {
    .login-center-card {
        width: 95vw;
        max-width: 95vw;
        padding: 1.5rem 1.25rem;
    }
    .login-hero-bg {
        object-position: 50% center;
    }
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    margin-bottom: 1.2rem;
    text-align: left;
}

.input-group label {
    font-size: 0.88rem;
    font-weight: 700;
    color: #1e293b;
}

.input-group input, .input-group select {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1.5px solid #cbd5e1;
    border-radius: 12px;
    font-size: 0.98rem;
    font-weight: 600;
    color: #0f172a;
    outline: none;
    transition: all 0.2s;
}

.input-group input:focus, .input-group select:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

/* --- Contenedor Principal --- */
.layout { 
    display: flex; 
    min-height: 100vh; 
    background: #ffffff;
}

/* --- Sidebar Izquierdo (Logo IQPRE Más Grande) --- */
.sidebar-pc {
    width: 240px;
    background: #ffffff;
    border-right: 1px solid #f1f5f9;
    padding: 1.75rem 1.25rem;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-logo-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2.25rem;
    padding-left: 0.25rem;
    cursor: pointer;
    user-select: none;
}

.sidebar-logo-group img {
    height: 48px;
    width: auto;
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(7, 21, 43, 0.15);
}

.sidebar-logo-group span {
    font-size: 1.65rem;
    font-weight: 900;
    color: #07152b;
    letter-spacing: -0.02em;
}

.sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    flex: 1;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 0.85rem 1.1rem;
    border-radius: 14px;
    font-size: 0.95rem;
    font-weight: 700;
    color: #475569;
    text-decoration: none;
    transition: all 0.2s;
}

.sidebar-item:hover {
    background-color: #f8fafc;
    color: #0f172a;
}

.sidebar-item.active {
    background-color: #eef6ff;
    color: #2563eb;
}

.sidebar-item i {
    font-size: 1.15rem;
    width: 22px;
    text-align: center;
}

.sidebar-divider {
    height: 1px;
    background: #f1f5f9;
    margin: 1rem 0;
}

/* --- Panel Central --- */
.main-wrapper { 
    flex: 1; 
    margin-left: 240px; 
    display: flex; 
    flex-direction: column; 
    min-height: 100vh;
    background: #ffffff;
}

/* --- Header Superior --- */
.top-header-bar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 1.25rem 3rem;
    background: #ffffff;
    border-bottom: 1px solid #f1f5f9;
    position: sticky;
    top: 0;
    z-index: 90;
}

.top-actions-pc {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.top-action-icon {
    font-size: 1.35rem;
    color: #334155;
    cursor: pointer;
    transition: transform 0.2s, color 0.2s;
}

.top-action-icon:hover {
    color: #2563eb;
    transform: scale(1.15);
}

#main-content { 
    padding: 2rem 3.5rem 4rem 3.5rem; 
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

/* --- Círculos de Historias (Más Grandes y Espaciosos) --- */
.stories-circles-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2.75rem;
    margin-bottom: 2.25rem;
    padding: 0.5rem 0;
}

.story-circle-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: transform 0.2s;
}

.story-circle-item:hover {
    transform: translateY(-4px);
}

.story-circle-box {
    width: 78px;
    height: 78px;
    border-radius: 50%;
    background: #ffffff;
    border: 2px solid #2563eb;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: #2563eb;
    box-shadow: 0 6px 18px rgba(37, 99, 235, 0.1);
    position: relative;
    transition: all 0.2s;
}

.story-circle-item:hover .story-circle-box {
    background: #2563eb;
    color: #ffffff;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.25);
}

.story-circle-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    padding: 3px;
}

.story-badge-plus {
    position: absolute;
    bottom: 0px;
    right: 0px;
    width: 24px;
    height: 24px;
    background: #2563eb;
    color: white;
    border-radius: 50%;
    border: 2px solid white;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.story-circle-label {
    font-size: 0.88rem;
    font-weight: 700;
    color: #0f172a;
    margin-top: 0.6rem;
    text-align: center;
}

/* --- Título de Sección --- */
.section-title-mockup {
    font-size: 1.5rem;
    font-weight: 900;
    color: #07152b;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

/* --- Selector de Simulador Card (MÁS GRANDE Y CON LOGO IQPRE) --- */
.sim-card-mockup {
    background: #ffffff;
    border-radius: 24px;
    padding: 2.75rem 3rem;
    border: 1.5px solid #cbd5e1;
    box-shadow: 0 10px 35px rgba(7, 21, 43, 0.06);
    margin-bottom: 2.5rem;
}

.sim-header-mockup {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.sim-logo-iqpre-badge {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    border: 2px solid #bfdbfe;
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.2);
    object-fit: cover;
}

.sim-info-group h3 {
    font-size: 1.45rem;
    font-weight: 900;
    color: #07152b;
}

.sim-info-group p {
    font-size: 0.98rem;
    color: #64748b;
    margin-top: 0.2rem;
    font-weight: 500;
}

.sim-grid-selectors {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.sim-select-label {
    font-size: 0.95rem;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 0.5rem;
    display: block;
}

.select-box { 
    padding: 1.05rem 1.25rem; 
    border: 1.5px solid #cbd5e1; 
    border-radius: 14px; 
    background: #ffffff; 
    color: #0f172a; 
    outline: none; 
    flex: 1; 
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.2s;
}
.select-box:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

/* --- Buttons --- */
.btn { 
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%); 
    color: white; 
    border: none; 
    padding: 1.15rem 2.25rem; 
    border-radius: 14px; 
    font-size: 1.15rem; 
    font-weight: 800; 
    cursor: pointer; 
    transition: all 0.2s ease; 
    width: 100%; 
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.28);
}
.btn:hover { 
    background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%); 
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.38);
}
.btn-outline { 
    background-color: transparent; 
    border: 1px solid #cbd5e1; 
    color: #1e293b; 
}
.btn-outline:hover { 
    background: #f1f5f9; 
}

/* --- 3 Anuncios AdsTerra en Tarjetas Suaves (Desplazados Abajo) --- */
.adsterra-row-mockup {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.adsterra-card-mockup {
    background: linear-gradient(135deg, #f0f7ff 0%, #e0f2fe 100%);
    border: 1.5px solid #bae6fd;
    border-radius: 18px;
    padding: 1.35rem 1.5rem;
    min-height: 125px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
    transition: all 0.2s;
}

.adsterra-card-mockup:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.1);
    border-color: #38bdf8;
}

.ad-tag-blue {
    align-self: flex-start;
    background: #2563eb;
    color: white;
    font-size: 0.72rem;
    font-weight: 800;
    padding: 0.25rem 0.65rem;
    border-radius: 6px;
    margin-bottom: 0.5rem;
}

.ad-placeholder-text {
    color: #64748b;
    font-size: 0.88rem;
    font-weight: 600;
}

/* --- Modal Overlay & Cards --- */
.modal-overlay { 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100vw; 
    height: 100vh; 
    background: rgba(15, 23, 42, 0.75); 
    backdrop-filter: blur(8px); 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    z-index: 9999; 
}
.modal-card { 
    background: #ffffff; 
    width: 90%; 
    max-width: 480px; 
    padding: 2.25rem; 
    border-radius: 22px; 
    border: 1px solid #e2e8f0;
    box-shadow: 0 25px 60px rgba(15, 23, 42, 0.2); 
    text-align: center; 
}

/* --- Admin Panel --- */
.dropzone { 
    border: 2px dashed #cbd5e1; 
    border-radius: 14px; 
    padding: 2rem; 
    text-align: center; 
    background: #f8fafc; 
    cursor: pointer; 
    transition: all 0.2s; 
    color: #475569;
}
.dropzone:hover, .dropzone.dragover { 
    border-color: #2563eb; 
    background: rgba(37, 99, 235, 0.05); 
}
.admin-table { width: 100%; border-collapse: collapse; margin-top: 1rem; }
.admin-table th, .admin-table td { 
    padding: 0.85rem 1rem; 
    text-align: left; 
    border-bottom: 1px solid #e2e8f0; 
    font-size: 0.9rem; 
    color: #1e293b;
}
.admin-table th { background: #f1f5f9; color: #07152b; font-weight: 600; }

.bank-filter-btn {
    background: #f1f5f9;
    color: #64748b;
    border: 1px solid #cbd5e1;
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}
.bank-filter-btn:hover {
    background: #e2e8f0;
    color: #07152b;
}
.bank-filter-btn.active {
    background: #07152b;
    color: white;
    border-color: #07152b;
}

/* --- Timer --- */
.sim-timer-container {
    background: #000000;
    color: #ff3333;
    font-family: monospace;
    font-size: 1.8rem;
    font-weight: 700;
    padding: 6px 18px;
    border-radius: 8px;
    border: 2px solid #ff0000;
    display: inline-flex;
    align-items: center;
    box-shadow: 0 0 15px rgba(255, 0, 0, 0.4);
    letter-spacing: 2px;
}

/* =========================================================================
   DISEÑO ULTRA PROFESIONAL Y MODELO EJECUTIVO DE EJERCICIOS Y ANUNCIOS
   ========================================================================= */

/* --- Grid del Examen (2 Columnas: Ejercicio + Anuncio Lateral) --- */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 2rem;
    align-items: start;
}

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

/* --- Card Principal del Ejercicio --- */
.sim-view-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 2.25rem 2.5rem;
    border: 1.5px solid #e2e8f0;
    box-shadow: 0 10px 30px rgba(7, 21, 43, 0.05);
    margin-bottom: 1.75rem;
    transition: all 0.25s ease;
}

.sim-view-card h3 {
    color: #0f172a;
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.65;
    margin-bottom: 1.75rem;
}

/* --- Contenedor de Opciones --- */
.sim-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* --- Botón / Tarjeta de Opción --- */
.sim-option-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    text-align: left;
    padding: 1.1rem 1.35rem;
    background: #ffffff;
    border: 1.5px solid #cbd5e1;
    border-radius: 16px;
    font-size: 1.05rem;
    font-weight: 600;
    color: #1e293b;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
    position: relative;
    user-select: none;
}

.sim-option-btn:hover {
    background: #f0f7ff;
    border-color: #2563eb;
    color: #0f172a;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(37, 99, 235, 0.12);
}

.sim-option-btn:active {
    transform: translateY(0);
}

/* Insignia de Letra (A, B, C, D) */
.opt-letter-badge {
    width: 38px;
    height: 38px;
    min-width: 38px;
    border-radius: 12px;
    background: #f1f5f9;
    color: #2563eb;
    font-weight: 900;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1.1rem;
    border: 1px solid #cbd5e1;
    transition: all 0.2s;
}

.sim-option-btn:hover .opt-letter-badge {
    background: #2563eb;
    color: #ffffff;
    border-color: #2563eb;
}

/* Texto de la Opción */
.opt-text-content {
    flex: 1;
    line-height: 1.5;
}

/* Círculo Indicador Seleccionado (Radio / Check Indicator) */
.opt-radio-indicator {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid #cbd5e1;
    margin-left: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.sim-option-btn:hover .opt-radio-indicator {
    border-color: #2563eb;
}

/* --- Estado Seleccionado (.selected) --- */
.sim-option-btn.selected {
    background: linear-gradient(135deg, #07152b 0%, #1e293b 100%) !important;
    border-color: #07152b !important;
    color: #ffffff !important;
    box-shadow: 0 8px 25px rgba(7, 21, 43, 0.25) !important;
    transform: translateY(-2px);
}

.sim-option-btn.selected .opt-letter-badge {
    background: #2563eb !important;
    color: #ffffff !important;
    border-color: #2563eb !important;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.sim-option-btn.selected .opt-radio-indicator {
    border-color: #10b981 !important;
    background: #10b981 !important;
}

.sim-option-btn.selected .opt-radio-indicator::after {
    content: '✓';
    color: white;
    font-size: 0.8rem;
    font-weight: 900;
}

/* --- Anuncios AdsTerra Profesionales --- */

/* Banner Horizontal (Abajo del Ejercicio) */
.ad-card-banner {
    background: linear-gradient(135deg, #07152b 0%, #1e3a8a 100%);
    border-radius: 18px;
    padding: 1.25rem 1.75rem;
    color: white;
    box-shadow: 0 8px 25px rgba(7, 21, 43, 0.15);
    margin-top: 2rem;
    position: relative;
    overflow: hidden;
}

.ad-card-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.3) 0%, transparent 70%);
    pointer-events: none;
}

.ad-card-badge {
    position: absolute;
    top: 10px;
    right: 14px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #bfdbfe;
    font-size: 0.7rem;
    font-weight: 800;
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.ad-card-body {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.ad-card-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #60a5fa;
}

.ad-card-info h4 {
    font-size: 1.05rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 0.2rem;
}

.ad-card-info p {
    font-size: 0.88rem;
    color: #93c5fd;
    line-height: 1.4;
}

.ad-card-btn {
    margin-left: auto;
    background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    color: white;
    border: none;
    padding: 0.7rem 1.4rem;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 800;
    cursor: pointer;
    white-space: nowrap;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
    transition: all 0.2s;
}

.ad-card-btn:hover {
    transform: scale(1.05);
    background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 100%);
}

/* Banner Vertical (Sidebar Derecha) */
.ad-card-sidebar {
    background: #ffffff;
    border: 1.5px solid #cbd5e1;
    border-radius: 20px;
    padding: 1.75rem 1.5rem;
    box-shadow: 0 10px 30px rgba(7, 21, 43, 0.05);
    position: sticky;
    top: 2rem;
}

.ad-sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.ad-sidebar-content {
    text-align: center;
}

.ad-sidebar-icon {
    font-size: 3rem;
    margin-bottom: 0.75rem;
}

.ad-sidebar-content h3 {
    font-size: 1.2rem;
    font-weight: 900;
    color: #07152b;
    margin-bottom: 0.4rem;
}

.ad-sidebar-content p {
    font-size: 0.88rem;
    color: #64748b;
    line-height: 1.5;
    margin-bottom: 1.25rem;
}

.ad-sidebar-list {
    list-style: none;
    text-align: left;
    margin-bottom: 1.5rem;
}

.ad-sidebar-list li {
    font-size: 0.85rem;
    font-weight: 600;
    color: #334155;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ad-sidebar-list li i {
    color: #10b981;
}

.btn-ad-action {
    background: linear-gradient(135deg, #07152b 0%, #2563eb 100%);
    color: white;
    border: none;
    padding: 0.85rem 1.25rem;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 800;
    cursor: pointer;
    width: 100%;
    transition: all 0.2s;
}

.btn-ad-action:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}

/* Teclas de acceso rápido en las opciones */
.opt-key-hint {
    font-size: 0.72rem;
    font-weight: 800;
    color: #94a3b8;
    background: #f1f5f9;
    border: 1px solid #cbd5e1;
    padding: 0.15rem 0.45rem;
    border-radius: 6px;
    margin-left: 0.6rem;
    text-transform: uppercase;
}

.sim-option-btn.selected .opt-key-hint {
    color: #bfdbfe;
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}