/* ============================================================
   UI Components — Modale de confirmation & Loader global
   Design premium, animé, responsive (mobile : feuille montante)
   ============================================================ */

/* ---------- Modale de confirmation ---------- */
.app-modal {
    position: fixed;
    inset: 0;
    z-index: 1080;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    visibility: hidden;
    opacity: 0;
    transition: opacity .25s ease, visibility .25s ease;
}
.app-modal.is-open {
    visibility: visible;
    opacity: 1;
}
.app-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, .55);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}
.app-modal__dialog {
    position: relative;
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 24px 60px -12px rgba(15, 23, 42, .35);
    padding: 1.75rem 1.5rem 1.5rem;
    text-align: center;
    transform: translateY(12px) scale(.96);
    opacity: 0;
    transition: transform .28s cubic-bezier(.22, 1, .36, 1), opacity .28s ease;
}
.app-modal.is-open .app-modal__dialog {
    transform: translateY(0) scale(1);
    opacity: 1;
}
.app-modal__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    animation: app-pop .35s cubic-bezier(.22, 1, .36, 1) both;
}
.app-modal__icon--warning { background: linear-gradient(135deg, #f59e0b, #d97706); box-shadow: 0 10px 24px -8px rgba(245, 158, 11, .55); }
.app-modal__icon--danger  { background: linear-gradient(135deg, #ef4444, #dc2626); box-shadow: 0 10px 24px -8px rgba(239, 68, 68, .55); }
.app-modal__icon--info    { background: linear-gradient(135deg, #3b82f6, #2563eb); box-shadow: 0 10px 24px -8px rgba(59, 130, 246, .55); }
.app-modal__icon--success { background: linear-gradient(135deg, #22c55e, #16a34a); box-shadow: 0 10px 24px -8px rgba(34, 197, 94, .55); }
.app-modal__title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 .4rem;
}
.app-modal__message {
    font-size: .92rem;
    color: #475569;
    line-height: 1.6;
    margin: 0 0 1.4rem;
}
.app-modal__actions {
    display: flex;
    gap: .75rem;
}
.app-modal__btn {
    flex: 1;
    padding: .7rem 1rem;
    border: 0;
    border-radius: 12px;
    font-weight: 600;
    font-size: .92rem;
    cursor: pointer;
    transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
}
.app-modal__btn:hover { transform: translateY(-1px); }
.app-modal__btn:active { transform: translateY(0) scale(.98); }
.app-modal__btn:focus-visible { outline: 3px solid rgba(37, 99, 235, .35); outline-offset: 2px; }
.app-modal__btn--cancel {
    background: #f1f5f9;
    color: #334155;
}
.app-modal__btn--cancel:hover { filter: brightness(.97); }
.app-modal__btn--confirm {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: #fff;
    box-shadow: 0 8px 18px -6px rgba(239, 68, 68, .5);
}
.app-modal__btn--confirm:hover { filter: brightness(1.05); }

@keyframes app-pop {
    0%   { transform: scale(.5); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

/* Mobile : la modale remonte depuis le bas (feuille) */
@media (max-width: 575.98px) {
    .app-modal { align-items: flex-end; padding: 0; }
    .app-modal__dialog {
        max-width: 100%;
        border-radius: 20px 20px 0 0;
        transform: translateY(100%);
    }
    .app-modal.is-open .app-modal__dialog { transform: translateY(0); }
}

/* ---------- Loader global ---------- */
.app-loader {
    position: fixed;
    inset: 0;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: .9rem;
    background: rgba(255, 255, 255, .82);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    visibility: hidden;
    opacity: 0;
    transition: opacity .22s ease, visibility .22s ease;
}
.app-loader.is-visible {
    visibility: visible;
    opacity: 1;
}
.app-loader__spinner {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 4px solid #e2e8f0;
    border-top-color: #0b7a3b;
    animation: app-loader-spin .8s linear infinite;
}
.app-loader__text {
    font-size: .9rem;
    font-weight: 600;
    color: #475569;
    margin: 0;
}
@keyframes app-loader-spin {
    to { transform: rotate(360deg); }
}