/* ==================== RESETEO Y VARIABLES ====================*/
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --white: #ffffff;
    --pink-light: #fde7ef;
    --pink-medium: #f8bbd0;
    --pink-strong: #ec407a;
    --pink-dark: #c2185b;
    --gray-light: #f5f5f5;
    --gray-text: #666666;
    --text-dark: #333333;
    --success: #4caf50;
    --warning: #ff9800;
    --danger: #f44336;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--white);
    color: var(--text-dark);
    line-height: 1.6;
}

/* ==================== ENCABEZADO ====================*/
.event-header {
    background: linear-gradient(135deg, #ec407a 0%, #c2185b 50%, #ad1457 100%);
    padding: 80px 20px;
    text-align: center;
    color: var(--white);
    box-shadow: 0 10px 40px rgba(236, 64, 122, 0.3);
    margin-bottom: 60px;
    position: relative;
    overflow: hidden;
}

.event-header::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
}

.event-header::after {
    content: "";
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
}

.event-header-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.header-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.25);
    color: var(--white);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 8px 16px;
    border-radius: 20px;
    margin-bottom: 16px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(10px);
}

.event-header h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    word-spacing: 0.1em;
    line-height: 1.2;
}

.header-subtitle {
    font-size: 16px;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

.event-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 32px;
    font-size: 13px;
    font-weight: 500;
}

.event-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.2);
    padding: 10px 18px;
    border-radius: 25px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.event-meta-item:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.event-meta-item i {
    font-size: 16px;
    opacity: 0.9;
}

.event-header-desc {
    font-size: 16px;
    line-height: 1.7;
    opacity: 0.95;
    max-width: 650px;
    margin: 0 auto;
    font-weight: 300;
    letter-spacing: 0.3px;
}

.event-header-desc strong {
    font-weight: 600;
    color: rgba(255, 255, 255, 1);
}

/* ==================== CONTENEDOR PRINCIPAL ====================*/
.registration-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px 60px;
}

/* ==================== SECCIONES ====================*/
.form-section {
    background: var(--white);
    border-radius: 16px;
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: var(--shadow);
    border: 1px solid var(--pink-light);
}

.section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--pink-light);
}

.section-header i {
    font-size: 24px;
    color: var(--pink-strong);
}

.header-content {
    flex: 1;
}

.section-header h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--pink-dark);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.progress-badge {
    display: inline-block;
    background: var(--pink-strong);
    color: var(--white);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.header-time {
    font-size: 13px;
    color: var(--gray-text);
    margin-top: 6px;
    font-weight: 500;
}

/* ==================== FORMULARIO ====================*/
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-grid-three {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

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

.form-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--pink-dark);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper i {
    position: absolute;
    left: 14px;
    color: var(--pink-strong);
    font-size: 16px;
    pointer-events: none;
}

.form-group input {
    width: 100%;
    padding: 12px 14px 12px 42px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    transition: all 0.2s ease;
    background-color: var(--white);
}

.form-group input:hover {
    border-color: var(--pink-light);
}

.form-group input:focus {
    outline: none;
    border-color: var(--pink-strong);
    background-color: var(--white);
    box-shadow: 0 0 0 3px rgba(236, 64, 122, 0.1);
}

.form-group input::placeholder {
    color: #aaa;
}

/* ==================== TARJETAS DE ACTIVIDADES ====================*/
.activities-section {
    margin-top: 0;
}

.section-instructions {
    margin-bottom: 25px;
    padding: 16px 20px;
    background: linear-gradient(135deg, #fef6f9 0%, #fff9fc 100%);
    border-radius: 10px;
    border-left: 4px solid var(--pink-strong);
}

.instruction-header {
    font-size: 15px;
    font-weight: 600;
    color: var(--pink-strong);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.instruction-content {
    font-size: 13px;
    color: #555;
    line-height: 1.6;
}

.instruction-content p {
    margin: 0 0 10px 0;
}

.instruction-content ul {
    margin: 8px 0 0 0;
    padding-left: 20px;
    list-style: none;
}

.instruction-content li {
    margin-bottom: 6px;
    padding-left: 20px;
    position: relative;
}

.instruction-content li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--pink-strong);
    font-weight: 700;
}

.activity-card {
    position: relative;
    display: block;
    background: var(--white);
    border: 1px solid #e0e0e0;
    border-left: 4px solid transparent;
    border-radius: 12px;
    margin-bottom: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.activity-card input[type="radio"] {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    margin: 0;
    z-index: 1;
}

.activity-body {
    padding: 20px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 20px;
    align-items: start;
    position: relative;
}

/* Estado: seleccionada */
.activity-card:has(input[type="radio"]:checked) {
    border-color: #f0f0f0;
    border-left-color: var(--pink-strong);
    background: linear-gradient(135deg, var(--white) 0%, #fef6f9 100%);
    box-shadow: 0 4px 12px rgba(236, 64, 122, 0.1);
}

.activity-card:has(input[type="radio"]:checked) .activity-body {
    background: transparent;
}

.activity-card:has(input[type="radio"]:checked)::after {
    content: "";
}

/* Estado: hover */
.activity-card:hover:not(:has(input[type="radio"]:checked)) {
    border-color: #d0d0d0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Estado: deshabilitada */
.activity-card input[type="radio"]:disabled ~ .activity-body {
    opacity: 0.45;
    background-color: #f5f5f5;
    cursor: not-allowed;
}

.activity-card input[type="radio"]:disabled {
    cursor: not-allowed;
}

.activity-card:has(input:disabled) {
    cursor: not-allowed;
    opacity: 0.6;
}

@keyframes checkPulse {
    0% { transform: scale(0.4); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.selected-activity {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 16px 0 20px 0;
    padding: 12px 16px;
    background-color: #f5f5f5;
    border-radius: 8px;
    font-size: 14px;
}

.selected-label {
    font-weight: 600;
    color: #555;
}

.selected-value {
    color: var(--pink-strong);
    font-weight: 600;
}

.activity-main {
    flex: 1;
}

.activity-type {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    color: var(--pink-strong);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
    padding: 4px 10px;
    background-color: var(--pink-light);
    border-radius: 12px;
}

.activity-type i {
    margin-right: 6px;
    font-size: 12px;
}

.activity-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--pink-dark);
    margin-bottom: 8px;
    line-height: 1.3;
}

.activity-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 13px;
    color: var(--gray-text);
    margin-bottom: 12px;
}

.activity-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.activity-meta-item i {
    color: var(--pink-strong);
    font-size: 13px;
}

.activity-speaker {
    font-size: 13px;
    color: var(--gray-text);
    margin-top: 8px;
}

.activity-speaker i {
    color: var(--pink-strong);
    margin-right: 4px;
    font-size: 12px;
}

.activity-availability {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 200px;
    text-align: right;
}

.capacity-bar {
    width: 100%;
    height: 6px;
    background-color: var(--pink-light);
    border-radius: 3px;
    overflow: hidden;
}

.capacity-fill {
    height: 100%;
    background: linear-gradient(to right, var(--pink-strong), var(--pink-medium));
    border-radius: 3px;
    transition: width 0.3s ease;
}

.capacity-text {
    font-size: 12px;
    color: var(--gray-text);
    text-align: right;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 6px;
    width: fit-content;
    margin-left: auto;
}

.status-available {
    background-color: #e8f5e9;
    color: #2e7d32;
}

.status-warning {
    background-color: #fff3e0;
    color: #f57c00;
}

.status-full {
    background-color: #ffebee;
    color: #c62828;
}

.no-attend .activity-main {
    color: #666;
}

.no-attend .activity-title {
    color: #999;
}

.no-attend .activity-type {
    display: none;
}

.no-attend .activity-meta,
.no-attend .activity-speaker {
    display: none;
}

.no-attend .activity-availability {
    display: none;
}

/* ==================== MI ITINERARIO ====================*/
.itinerary-section {
    background: linear-gradient(135deg, #f0f8ff 0%, #f5f9ff 100%);
}

.itinerary-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.itinerary-event {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px;
    background: var(--white);
    border-radius: 8px;
    border-left: 4px solid #ddd;
    transition: all 0.3s ease;
}

.itinerary-event.activity-event {
    border-left-color: var(--pink-strong);
    background: linear-gradient(135deg, var(--white) 0%, #fef6f9 100%);
}

.itinerary-event.general-event {
    border-left-color: #80b3e8;
    background: linear-gradient(135deg, var(--white) 0%, #f0f8ff 100%);
}

.itinerary-time {
    min-width: 100px;
    font-size: 13px;
    font-weight: 700;
    color: #333;
    flex-shrink: 0;
    padding: 6px 10px;
    background-color: #fafafa;
    border-radius: 6px;
}

.itinerary-content {
    flex: 1;
}

.event-title {
    font-size: 13px;
    color: #555;
    font-weight: 500;
    line-height: 1.4;
}

.event-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--pink-strong);
    letter-spacing: 0.5px;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.activity-name {
    font-size: 13px;
    color: #666;
    font-weight: 500;
}

.itinerary-event.activity-event .activity-name {
    color: var(--pink-strong);
    font-weight: 600;
}

.event-type {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--pink-strong);
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.event-location {
    font-size: 12px;
    color: #666;
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ==================== CONFIRMACIÓN ====================*/
.confirmation-section {
    background: linear-gradient(135deg, var(--pink-light) 0%, #f5f5f5 100%);
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.checkbox-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.checkbox-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    min-width: 20px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: var(--pink-strong);
    vertical-align: top;
}

.checkbox-item input[type="checkbox"]:focus {
    outline: 2px solid var(--pink-strong);
    outline-offset: 2px;
}

.checkbox-item input[type="checkbox"]:focus-visible {
    outline: 2px solid var(--pink-strong);
    outline-offset: 2px;
}

.checkbox-item label {
    font-size: 14px;
    color: var(--text-dark);
    cursor: pointer;
    line-height: 1.5;
}

.note-box {
    background-color: var(--pink-light);
    border-left: 4px solid var(--pink-strong);
    padding: 16px;
    border-radius: 8px;
    font-size: 13px;
    color: var(--text-dark);
    margin-top: 24px;
}

.note-box strong {
    color: var(--pink-dark);
}

/* ==================== BOTONES ====================*/
.form-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 40px;
}

.btn {
    padding: 16px 60px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s ease;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-primary {
    background-color: var(--pink-strong);
    color: var(--white);
    min-width: 300px;
    height: 50px;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(236, 64, 122, 0.3);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--pink-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(236, 64, 122, 0.4);
}

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ==================== FOOTER ====================*/
.form-footer {
    text-align: center;
    font-size: 12px;
    color: var(--gray-text);
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--pink-light);
}

/* ==================== ANIMACIONES ====================*/
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-section {
    animation: fadeInUp 0.5s ease;
}

@keyframes capPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.updating {
    animation: capPulse 0.3s ease;
}

/* ==================== UTILIDADES ====================*/
.hidden-counter {
    display: none;
}

/* ==================== RESPONSIVE ====================*/
@media (max-width: 768px) {
    .event-header {
        padding: 50px 20px;
    }

    .header-badge {
        font-size: 10px;
        padding: 6px 12px;
        margin-bottom: 12px;
    }

    .event-header h1 {
        font-size: 32px;
        margin-bottom: 8px;
    }

    .header-subtitle {
        font-size: 14px;
        margin-bottom: 18px;
    }

    .event-meta {
        gap: 12px;
        margin-bottom: 24px;
    }

    .event-meta-item {
        padding: 8px 14px;
        font-size: 12px;
    }

    .event-header-desc {
        font-size: 14px;
    }

    .form-section {
        padding: 24px;
    }

    .section-header h2 {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    .progress-badge {
        font-size: 10px;
        padding: 3px 8px;
    }

    .form-grid,
    .form-grid-three {
        grid-template-columns: 1fr;
    }

    .activity-content {
        grid-template-columns: 1fr;
    }

    .activity-availability {
        min-width: auto;
    }

    .status-badge {
        margin-left: 0;
    }

    .btn-primary {
        min-width: 100%;
    }
}

@media (max-width: 480px) {
    .registration-container {
        padding: 0 16px 40px;
    }

    .form-section {
        padding: 20px;
        margin-bottom: 24px;
    }

    .section-header h2 {
        font-size: 18px;
    }

    .activity-title {
        font-size: 14px;
    }

    .event-header h1 {
        font-size: 20px;
    }

    .form-group input {
        padding: 10px 12px 10px 38px;
        font-size: 13px;
    }
}