/* =========================================================================
   Unified Notification System
   ========================================================================= */

/*
 * Custom properties for notification colors.
 * Uses the application's existing palette (--success, --danger, --warning, --info)
 * and extends with notification-specific tokens.
 */

:root {
    --notif-success-bg: var(--success-light);
    --notif-success-text: var(--success);
    --notif-success-border: var(--success);

    --notif-error-bg: var(--danger-light);
    --notif-error-text: var(--danger);
    --notif-error-border: var(--danger);

    --notif-warning-bg: var(--warning-light);
    --notif-warning-text: var(--warning);
    --notif-warning-border: var(--warning);

    --notif-info-bg: var(--info-light);
    --notif-info-text: var(--info);
    --notif-info-border: var(--info);

    --notif-dismiss-color: var(--gray-400);
    --notif-dismiss-hover: var(--gray-600);
    --notif-action-bg: transparent;
    --notif-action-text: var(--primary);
    --notif-action-border: var(--primary);
    --notif-action-hover-bg: var(--primary);
    --notif-action-hover-text: white;
}

/* Dark-mode overrides */
[data-theme="dark"] {
    --notif-success-bg: #14532d;
    --notif-success-text: #4ade80;
    --notif-success-border: #16a34a;

    --notif-error-bg: #7f1d1d;
    --notif-error-text: #fca5a5;
    --notif-error-border: #dc2626;

    --notif-warning-bg: #78350f;
    --notif-warning-text: #fbbf24;
    --notif-warning-border: #d97706;

    --notif-info-bg: #164e63;
    --notif-info-text: #67e8f9;
    --notif-info-border: #0891b2;

    --notif-dismiss-color: #94a3b8;
    --notif-dismiss-hover: #e2e8f0;
    --notif-action-bg: transparent;
    --notif-action-text: #93c5fd;
    --notif-action-border: #3b82f6;
    --notif-action-hover-bg: #3b82f6;
    --notif-action-hover-text: white;
}

/* Container: fixed position, centered horizontally, stacks notifications vertically */
.notification-container {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    max-width: 480px;
    width: calc(100% - 40px);
    pointer-events: none;
}

/* Base notification */
.notification {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius, 8px);
    border: 1px solid;
    border-left: 4px solid;
    box-shadow: var(--shadow-lg);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    pointer-events: auto;
    animation: notificationIn 0.3s ease;
}

/* Type-specific styles */
.notification-success {
    background: var(--notif-success-bg);
    color: var(--notif-success-text);
    border-color: var(--notif-success-border);
}

.notification-error {
    background: var(--notif-error-bg);
    color: var(--notif-error-text);
    border-color: var(--notif-error-border);
}

.notification-warning {
    background: var(--notif-warning-bg);
    color: var(--notif-warning-text);
    border-color: var(--notif-warning-border);
}

.notification-info {
    background: var(--notif-info-bg);
    color: var(--notif-info-text);
    border-color: var(--notif-info-border);
}

/* Message text */
.notification-message {
    flex: 1;
    min-width: 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* Action buttons container */
.notification-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 4px;
}

/* Action buttons — consistent with existing app button styles */
.notification-action {
    min-width: 44px;
    min-height: 44px;
    padding: 8px 16px;
    border: 1px solid var(--notif-action-border);
    border-radius: 6px;
    background: var(--notif-action-bg);
    color: var(--notif-action-text);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition, all 0.2s ease);
    line-height: 1.4;
    white-space: nowrap;
}

.notification-action:hover {
    background: var(--notif-action-hover-bg);
    color: var(--notif-action-hover-text);
}

.notification-action:focus-visible {
    outline: 2px solid var(--primary, #2563eb);
    outline-offset: 2px;
}

/* Dismiss button — 44×44px touch target */
.notification-dismiss {
    min-width: 44px;
    min-height: 44px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--notif-dismiss-color);
    transition: var(--transition, all 0.2s ease);
    line-height: 1;
    padding: 0;
    margin: -6px -8px -6px 0;
    border-radius: 6px;
}

.notification-dismiss:hover {
    color: var(--notif-dismiss-hover);
    background: rgba(0, 0, 0, 0.05);
}

.notification-dismiss:focus-visible {
    outline: 2px solid var(--primary, #2563eb);
    outline-offset: 2px;
}

[data-theme="dark"] .notification-dismiss:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Entry animation */
@keyframes notificationIn {
    from {
        opacity: 0;
        transform: translateY(-12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile responsive */
@media (max-width: 768px) {
    .notification-container {
        top: 12px;
        right: 12px;
        left: 12px;
        width: auto;
        max-width: none;
    }

    .notification {
        flex-wrap: wrap;
    }

    .notification-actions {
        width: 100%;
    }

    .notification-action {
        flex: 1;
        text-align: center;
    }
}

/* =========================================================================
   Confirmation Dialog (replaces native confirm())
   ========================================================================= */

.confirm-backdrop {
    position: fixed;
    inset: 0;
    width: 100vw;
    min-height: 100vh;
    min-height: 100dvh;
    background: rgba(0, 0, 0, 0.4);
    z-index: 10000;
    display: grid;
    place-items: center;
    padding: 20px;
    box-sizing: border-box;
    animation: confirmFadeIn 0.15s ease;
}

.confirm-dialog {
    position: fixed;
    top: 50%;
    left: 50%;
    background: var(--bg-card, #fff);
    border: 1px solid var(--border, #e5e7eb);
    border-radius: var(--radius-lg, 12px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    padding: 28px 32px 24px;
    max-width: 420px;
    width: min(420px, 100%);
    margin: 0;
    transform: translate(-50%, -50%);
    animation: confirmCenteredSlideIn 0.2s ease;
}

.confirm-backdrop > .confirm-dialog {
    animation: confirmCenteredSlideIn 0.2s ease;
}

.confirm-message {
    font-size: 15px;
    line-height: 1.6;
    color: var(--gray-700, #374151);
    margin: 0 0 24px 0;
}

.confirm-buttons {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.confirm-btn {
    min-width: 80px;
    min-height: 44px;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    border: 1px solid transparent;
}

.confirm-btn:focus-visible {
    outline: 2px solid var(--primary, #2563eb);
    outline-offset: 2px;
}

.confirm-btn-cancel {
    background: var(--bg-card, #fff);
    color: var(--gray-700, #374151);
    border-color: var(--border, #e5e7eb);
}

.confirm-btn-cancel:hover {
    background: var(--gray-100, #f3f4f6);
}

.confirm-btn-warning {
    background: var(--danger, #dc2626);
    color: white;
}

.confirm-btn-warning:hover {
    background: #b91c1c;
}

.confirm-btn-error {
    background: var(--danger, #dc2626);
    color: white;
}

.confirm-btn-error:hover {
    background: #b91c1c;
}

.confirm-btn-info {
    background: var(--primary, #2563eb);
    color: white;
}

.confirm-btn-info:hover {
    background: #1d4ed8;
}

.confirm-btn-success {
    background: var(--success, #16a34a);
    color: white;
}

.confirm-btn-success:hover {
    background: #15803d;
}

/* Dark mode */
[data-theme="dark"] .confirm-dialog {
    background: var(--bg-card, #1e293b);
    border-color: var(--border, #334155);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .confirm-message {
    color: var(--gray-700, #e2e8f0);
}

[data-theme="dark"] .confirm-btn-cancel {
    background: transparent;
    color: #e2e8f0;
    border-color: #475569;
}

[data-theme="dark"] .confirm-btn-cancel:hover {
    background: #334155;
}

@keyframes confirmFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes confirmSlideIn {
    from { opacity: 0; transform: scale(0.95) translateY(-8px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes confirmCenteredSlideIn {
    from { opacity: 0; transform: translate(-50%, -50%) scale(0.95); }
    to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

@media (max-width: 768px) {
    .confirm-dialog {
        padding: 24px 20px 20px;
    }

    .confirm-buttons {
        flex-direction: column-reverse;
    }

    .confirm-btn {
        width: 100%;
    }
}


/* =========================================================================
   Error Modal (replaces toast for error notifications)
   ========================================================================= */

.error-modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: confirmFadeIn 0.15s ease;
}

.error-modal-dialog {
    background: var(--bg-card, #fff);
    border: 1px solid var(--border, #e5e7eb);
    border-radius: var(--radius-lg, 12px);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.1);
    padding: 28px 36px 24px;
    max-width: 420px;
    width: calc(100% - 40px);
    text-align: center;
    animation: confirmSlideIn 0.2s ease;
}

.error-modal-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--danger-light, #fee2e2);
    color: var(--danger, #dc2626);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.error-modal-message {
    font-size: 15px;
    line-height: 1.6;
    color: var(--gray-700, #374151);
    margin: 0 0 20px 0;
    word-wrap: break-word;
}

.error-modal-ok {
    display: inline-block;
    min-width: 100px;
    padding: 10px 36px;
    background: var(--danger, #dc2626);
    color: white;
    border: none;
    border-radius: var(--radius, 8px);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease;
}

.error-modal-ok:hover {
    background: #b91c1c;
}

.error-modal-ok:focus-visible {
    outline: 2px solid var(--danger, #dc2626);
    outline-offset: 2px;
}

/* Dark mode */
[data-theme="dark"] .error-modal-dialog {
    background: var(--bg-card, #1e293b);
    border-color: var(--border, #334155);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .error-modal-icon {
    background: #7f1d1d;
    color: #fca5a5;
}

[data-theme="dark"] .error-modal-message {
    color: #e2e8f0;
}

@media (max-width: 768px) {
    .error-modal-dialog {
        padding: 24px 20px 20px;
    }

    .error-modal-ok {
        width: 100%;
    }
}