/* ==================== LOADING OVERLAY ==================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    color: var(--blanco);
}

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

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid var(--blanco);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 15px;
}

.loading-overlay p {
    font-size: 16px;
    margin-top: 10px;
}

/* ==================== MODAL PREMIUM ==================== */
.premium-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

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

.premium-modal {
    background: white;
    border-radius: 20px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 188, 212, 0.3);
    animation: slideUp 0.4s ease;
    -webkit-overflow-scrolling: touch;
}

.premium-modal::-webkit-scrollbar {
    display: none;
}

.premium-modal {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.premium-header {
    background: linear-gradient(135deg, #00BCD4, #0097A7);
    padding: 15px 20px;
    text-align: center;
    color: white;
}

.premium-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    border: 3px solid rgba(255, 255, 255, 0.3);
}

.premium-icon .material-symbols-outlined {
    font-size: 36px;
    color: white;
    font-variation-settings: 'FILL' 1;
}

.premium-header h2 {
    font-size: 20px;
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
}

.premium-body {
    padding: 20px 20px;
    text-align: center;
}

.premium-message {
    font-size: 14px;
    color: var(--texto-oscuro);
    margin-bottom: 8px;
    line-height: 1.5;
}

.premium-subtitle {
    font-size: 13px;
    color: var(--texto-claro);
    margin-bottom: 15px;
    line-height: 1.4;
}

.premium-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 20px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px;
    background: #E0F7FA;
    border-radius: 8px;
    font-size: 12px;
    color: #006064;
    font-weight: 500;
}

.feature-item .material-symbols-outlined {
    font-size: 20px;
    color: #00BCD4;
    font-variation-settings: 'FILL' 1;
}

.premium-footer {
    padding: 20px 25px 25px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-premium {
    background: linear-gradient(135deg, #00BCD4, #0097A7);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 188, 212, 0.3);
}

.btn-premium:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 188, 212, 0.4);
}

.btn-premium .material-symbols-outlined {
    font-size: 22px;
    font-variation-settings: 'FILL' 1;
}

.btn-close-premium {
    background: transparent;
    color: var(--texto-claro);
    border: 2px solid var(--gris-borde);
    padding: 12px 30px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 44px;
    -webkit-tap-highlight-color: transparent;
}

.btn-close-premium:hover {
    background: var(--gris-fondo);
    border-color: var(--texto-claro);
}

/* ==================== ALERT MODAL (NUEVA FUNCIONALIDAD) ==================== */
.alert-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    animation: fadeIn 0.3s ease;
}

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

.alert-content {
    background: white;
    border-radius: 16px;
    max-width: 400px;
    width: 90%;
    padding: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    animation: slideUp 0.3s ease;
    text-align: center;
}

.alert-icon {
    width: 60px;
    height: 60px;
    background: #e0f7fa;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.alert-icon .material-symbols-outlined {
    font-size: 32px;
    color: #00BCD4;
}

.alert-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--texto-oscuro);
    margin-bottom: 8px;
}

.alert-message {
    font-size: 14px;
    color: var(--texto-claro);
    line-height: 1.5;
    margin-bottom: 20px;
}

.alert-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.alert-btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.alert-btn-primary {
    background: #00BCD4;
    color: white;
}

.alert-btn-primary:hover {
    background: #0097A7;
}

.alert-btn-secondary {
    background: #f5f5f5;
    color: var(--texto-oscuro);
}

.alert-btn-secondary:hover {
    background: #e0e0e0;
}

/* ==================== EVENT DETAILS MODAL ==================== */
.event-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10002;
    animation: fadeIn 0.25s ease;
}

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

.event-modal {
    background: #fff;
    border-radius: 16px;
    width: 92%;
    max-width: 460px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    animation: slideUp 0.25s ease;
}

.event-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px;
    background: linear-gradient(135deg, #00BCD4, #0097A7);
    color: #fff;
}

.event-modal-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
}

.event-modal-title .material-symbols-outlined {
    font-variation-settings: 'FILL' 1;
}

.event-modal-close {
    background: transparent;
    border: none;
    color: #fff;
    cursor: pointer;
    padding: 4px;
}

.event-modal-close .material-symbols-outlined {
    font-size: 20px;
}

.event-modal-body {
    padding: 16px 18px 6px;
    display: grid;
    gap: 10px;
}

.event-modal-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-size: 13px;
}

.event-modal-row.full {
    flex-direction: column;
    align-items: flex-start;
}

.event-modal-row .label {
    color: var(--texto-claro);
    min-width: 110px;
}

.event-modal-row .value {
    color: var(--texto-oscuro);
    text-align: right;
    word-break: break-word;
}

.event-modal-link {
    color: #007c91;
    text-decoration: underline;
}

.event-modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    padding: 12px 18px 18px;
}

.event-modal-btn {
    border: none;
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.event-modal-btn.primary {
    background: #00BCD4;
    color: #fff;
}

.event-modal-btn.primary:hover {
    background: #0097A7;
}

.event-modal-btn.secondary {
    background: #f5f5f5;
    color: var(--texto-oscuro);
}

.event-modal-btn.secondary:hover {
    background: #e0e0e0;
}