/* Diálogo de aviso reutilizable (reemplazo de alert() nativo) — asume que la página ya define
   las variables --primary, --secondary, --white, --gray-text, --border, --field-bg */

.alert-dialog-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 48, 77, .6);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s ease, visibility 0s linear .25s;
}

.alert-dialog-backdrop.open {
    opacity: 1;
    visibility: visible;
    transition: opacity .25s ease;
}

.alert-dialog {
    background: var(--white);
    border-radius: 22px;
    max-width: 380px;
    width: 100%;
    padding: 30px;
    text-align: center;
    transform: scale(.85) translateY(24px);
    opacity: 0;
    transition: transform .4s cubic-bezier(.34, 1.56, .64, 1), opacity .3s ease;
}

.alert-dialog-backdrop.open .alert-dialog {
    transform: scale(1) translateY(0);
    opacity: 1;
}

.alert-dialog-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 26px;
}

.alert-dialog-icon--success {
    background: rgba(57, 169, 0, .12);
    color: var(--primary);
}

.alert-dialog-icon--error {
    background: rgba(180, 35, 24, .12);
    color: #b42318;
}

.alert-dialog-icon--warning {
    background: rgba(217, 144, 0, .14);
    color: #b26a00;
}

.alert-dialog-title {
    font-family: 'Work Sans', sans-serif;
    font-size: 18px;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 10px;
}

.alert-dialog-message {
    font-family: 'Work Sans', sans-serif;
    font-size: 14px;
    color: var(--gray-text);
    line-height: 1.55;
    margin-bottom: 26px;
}

.alert-dialog-ok {
    width: 100%;
    font-family: 'Work Sans', sans-serif;
    font-size: 13.5px;
    font-weight: 700;
    border-radius: 999px;
    padding: 12px;
    cursor: pointer;
    border: none;
    color: var(--white);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    box-shadow: 0 8px 18px rgba(57, 169, 0, .35);
    transition: transform .15s ease, box-shadow .15s ease;
}

.alert-dialog-ok:hover {
    box-shadow: 0 10px 22px rgba(57, 169, 0, .45);
}

.alert-dialog-ok:active {
    transform: scale(.96);
}

.alert-dialog-ok:focus,
.alert-dialog-ok:focus-visible {
    outline: none;
}

.alert-dialog-ok.alert-dialog-ok--error {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    box-shadow: 0 8px 18px rgba(192, 57, 43, .35);
}

.alert-dialog-ok.alert-dialog-ok--error:hover {
    box-shadow: 0 10px 22px rgba(192, 57, 43, .45);
}

.alert-dialog-ok.alert-dialog-ok--warning {
    background: linear-gradient(135deg, #e0a100 0%, #b26a00 100%);
    box-shadow: 0 8px 18px rgba(178, 106, 0, .35);
}

.alert-dialog-ok.alert-dialog-ok--warning:hover {
    box-shadow: 0 10px 22px rgba(178, 106, 0, .45);
}

@media (max-width: 420px) {
    .alert-dialog {
        padding: 24px 20px;
    }
}