/* Explain: Styles for modals, toasts, and dropdown panels. */
.modal {
    position: fixed;
    inset: 0;
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
}

.modal[hidden] { display: none; }

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(20, 41, 67, 0.55);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.modal-panel {
    position: relative;
    z-index: 1;
    width: min(100%, 32rem);
    max-height: calc(100vh - 2.5rem);
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    background: #fff;
    box-shadow: var(--shadow-pop);
    animation: f5ModalIn 0.2s ease;
}

@keyframes f5ModalIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.35rem 1.5rem 0.75rem;
}

.modal-head h3 { font-size: 1.15rem; font-weight: 700; color: var(--text-color); }
.modal-body { padding: 0.5rem 1.5rem 1.25rem; }

.modal-foot {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.65rem;
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.5rem 1.35rem;
}

.modal-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    flex: 0 0 auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--surface-color);
    color: var(--text-color);
}

.modal-close:hover { color: var(--primary-color); }

/* Toasts */
.toast-stack {
    position: fixed;
    right: 1.25rem;
    bottom: 1.25rem;
    z-index: 120;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    width: min(100vw - 2.5rem, 22rem);
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    border: 1px solid var(--border-color);
    border-left-width: 4px;
    border-radius: var(--radius-md);
    background: #fff;
    padding: 0.85rem 1rem;
    font-size: 0.875rem;
    color: var(--text-color);
    box-shadow: var(--shadow-pop);
    pointer-events: auto;
    animation: f5ToastIn 0.22s ease;
}

@keyframes f5ToastIn {
    from { opacity: 0; transform: translateX(16px); }
    to { opacity: 1; transform: translateX(0); }
}

.toast.is-leaving { opacity: 0; transform: translateX(16px); transition: opacity 0.2s ease, transform 0.2s ease; }
.toast-success { border-left-color: var(--success-color); }
.toast-success i { color: var(--success-color); }
.toast-error { border-left-color: var(--error-color); }
.toast-error i { color: var(--error-color); }
.toast-info { border-left-color: var(--info-color); }
.toast-info i { color: var(--info-color); }

/* Dropdown panels */
.dropdown { position: relative; }

.dropdown-trigger {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.dropdown-panel {
    position: absolute;
    top: 100%;
    right: 0;
    padding-top: 0.6rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.dropdown:hover .dropdown-panel,
.dropdown.is-open .dropdown-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-panel-inner {
    min-width: 15rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: #fff;
    box-shadow: var(--shadow-pop);
    padding: 0.4rem;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    min-height: 2.6rem;
    border-radius: var(--radius-md);
    padding: 0 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-color);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.dropdown-item i { width: 1.1rem; text-align: center; color: var(--text-muted); }
.dropdown-item:hover { background: var(--surface-color); color: var(--primary-color); }
.dropdown-item:hover i { color: var(--primary-color); }