/**
 * Portal Notifications - Globalne Style Powiadomień
 * 
 * @package Portal_Transportowy
 * @version 1.0.0
 * @since 2025-11-16
 * 
 * FEATURES:
 * - Toast notifications (top-right)
 * - Dark mode support (CSS variables)
 * - Smooth animations (fade in/out)
 * - Responsive (mobile friendly)
 * - Accessibility (focus states)
 * - Stack multiple notifications
 * 
 * Eliminuje ~150 linii duplikacji CSS z 4 plików
 */

/* ==========================================
   CONTAINER - Fixed Position Top Right
   ========================================== */

.portal-notifications-container {
    position: fixed;
    top: 80px; /* Pod navbarem */
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 400px;
    pointer-events: none; /* Przepuszcza kliki przez pusty obszar */
}

/* ==========================================
   POJEDYNCZA NOTYFIKACJA
   ========================================== */

.portal-notification {
    background: var(--background-color, #ffffff);
    border-radius: var(--radius-md); /* 8px - Shape & Sizing System v4.0 */
    padding: var(--btn-padding-lg); /* 16px 32px */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-left: 4px solid var(--notification-border, #667eea);
    min-width: 300px;
    max-width: 400px;
    pointer-events: auto; /* Notyfikacja odbiera kliki */
    opacity: 0;
    transform: translateX(120%);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Show animation */
.portal-notification.portal-notification-show {
    opacity: 1;
    transform: translateX(0);
}

/* Hide animation */
.portal-notification.portal-notification-hide {
    opacity: 0;
    transform: translateX(120%);
}

/* ==========================================
   CONTENT LAYOUT
   ========================================== */

.portal-notification-content {
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
}

.portal-notification-icon {
    font-size: 20px;
    flex-shrink: 0;
    line-height: 1;
}

.portal-notification-message {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    color: var(--text-color, #1a1a1a);
    word-wrap: break-word;
}

/* ==========================================
   PRZYCISK ZAMKNIĘCIA
   ========================================== */

.portal-notification-close {
    background: none;
    border: none;
    font-size: var(--icon-lg); /* 24px - Shape & Sizing System v4.0 */
    line-height: 1;
    cursor: pointer;
    padding: 0;
    width: var(--icon-lg); /* 24px */
    height: var(--icon-lg); /* 24px */
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary, #666666);
    transition: color 0.2s ease, transform 0.2s ease;
    flex-shrink: 0;
    border-radius: var(--radius-sm); /* 4px */
}

.portal-notification-close:hover {
    color: var(--text-color, #1a1a1a);
    background: rgba(0, 0, 0, 0.05);
    transform: scale(1.1);
}

.portal-notification-close:focus {
    outline: 2px solid var(--primary-color, #667eea);
    outline-offset: 2px;
}

.portal-notification-close:active {
    transform: scale(0.95);
}

/* ==========================================
   TYPY NOTYFIKACJI - KOLORY
   ========================================== */

/* SUCCESS - Zielony */
.portal-notification-success {
    --notification-border: #22c55e;
    background: var(--success-bg, #d4edda);
    border-left-color: var(--notification-border);
}

.portal-notification-success .portal-notification-message {
    color: var(--success-text, #155724);
}

.portal-notification-success .portal-notification-close {
    color: var(--success-text, #155724);
}

.portal-notification-success .portal-notification-close:hover {
    color: var(--success-text, #155724);
    background: rgba(34, 197, 94, 0.1);
}

/* ERROR - Czerwony */
.portal-notification-error {
    --notification-border: #ef4444;
    background: var(--error-bg, #f8d7da);
    border-left-color: var(--notification-border);
}

.portal-notification-error .portal-notification-message {
    color: var(--error-text, #721c24);
}

.portal-notification-error .portal-notification-close {
    color: var(--error-text, #721c24);
}

.portal-notification-error .portal-notification-close:hover {
    color: var(--error-text, #721c24);
    background: rgba(239, 68, 68, 0.1);
}

/* WARNING - Żółty */
.portal-notification-warning {
    --notification-border: #f59e0b;
    background: var(--warning-bg, #fff3cd);
    border-left-color: var(--notification-border);
}

.portal-notification-warning .portal-notification-message {
    color: var(--warning-text, #856404);
}

.portal-notification-warning .portal-notification-close {
    color: var(--warning-text, #856404);
}

.portal-notification-warning .portal-notification-close:hover {
    color: var(--warning-text, #856404);
    background: rgba(245, 158, 11, 0.1);
}

/* INFO - Niebieski */
.portal-notification-info {
    --notification-border: #3b82f6;
    background: var(--info-bg, #d1ecf1);
    border-left-color: var(--notification-border);
}

.portal-notification-info .portal-notification-message {
    color: var(--info-text, #0c5460);
}

.portal-notification-info .portal-notification-close {
    color: var(--info-text, #0c5460);
}

.portal-notification-info .portal-notification-close:hover {
    color: var(--info-text, #0c5460);
    background: rgba(59, 130, 246, 0.1);
}

/* ==========================================
   DARK MODE SUPPORT
   ========================================== */

[data-theme="dark"] .portal-notification {
    background: var(--dark-surface, #2d2d2d);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .portal-notification-message {
    color: var(--dark-text, #e0e0e0);
}

/* SUCCESS Dark */
[data-theme="dark"] .portal-notification-success {
    background: rgba(34, 197, 94, 0.15);
}

[data-theme="dark"] .portal-notification-success .portal-notification-message {
    color: #86efac;
}

[data-theme="dark"] .portal-notification-success .portal-notification-close {
    color: #86efac;
}

[data-theme="dark"] .portal-notification-success .portal-notification-close:hover {
    background: rgba(34, 197, 94, 0.2);
}

/* ERROR Dark */
[data-theme="dark"] .portal-notification-error {
    background: rgba(239, 68, 68, 0.15);
}

[data-theme="dark"] .portal-notification-error .portal-notification-message {
    color: #fca5a5;
}

[data-theme="dark"] .portal-notification-error .portal-notification-close {
    color: #fca5a5;
}

[data-theme="dark"] .portal-notification-error .portal-notification-close:hover {
    background: rgba(239, 68, 68, 0.2);
}

/* WARNING Dark */
[data-theme="dark"] .portal-notification-warning {
    background: rgba(245, 158, 11, 0.15);
}

[data-theme="dark"] .portal-notification-warning .portal-notification-message {
    color: #fcd34d;
}

[data-theme="dark"] .portal-notification-warning .portal-notification-close {
    color: #fcd34d;
}

[data-theme="dark"] .portal-notification-warning .portal-notification-close:hover {
    background: rgba(245, 158, 11, 0.2);
}

/* INFO Dark */
[data-theme="dark"] .portal-notification-info {
    background: rgba(59, 130, 246, 0.15);
}

[data-theme="dark"] .portal-notification-info .portal-notification-message {
    color: #93c5fd;
}

[data-theme="dark"] .portal-notification-info .portal-notification-close {
    color: #93c5fd;
}

[data-theme="dark"] .portal-notification-info .portal-notification-close:hover {
    background: rgba(59, 130, 246, 0.2);
}

/* ==========================================
   RESPONSIVE - MOBILE
   ========================================== */

@media screen and (max-width: 768px) {
    .portal-notifications-container {
        top: 60px; /* Niżej na mobile (navbar mniejszy) */
        right: 10px;
        left: 10px;
        max-width: none;
    }

    .portal-notification {
        min-width: auto;
        max-width: none;
        padding: 14px 16px;
    }

    .portal-notification-content {
        gap: 10px;
    }

    .portal-notification-icon {
        font-size: 18px;
    }

    .portal-notification-message {
        font-size: 13px;
    }

    .portal-notification-close {
        font-size: 20px;
        width: 20px;
        height: 20px;
    }
}

/* ==========================================
   ACCESSIBILITY - HIGH CONTRAST
   ========================================== */

@media (prefers-contrast: high) {
    .portal-notification {
        border-width: 2px;
    }

    .portal-notification-close {
        border: 1px solid currentColor;
    }
}

/* ==========================================
   ACCESSIBILITY - REDUCED MOTION
   ========================================== */

@media (prefers-reduced-motion: reduce) {
    .portal-notification {
        transition: opacity 0.1s ease;
        transform: none;
    }

    .portal-notification.portal-notification-show {
        transform: none;
    }

    .portal-notification.portal-notification-hide {
        transform: none;
    }

    .portal-notification-close {
        transition: none;
    }

    .portal-notification-close:hover,
    .portal-notification-close:active {
        transform: none;
    }
}

/* ==========================================
   PRINT - Ukryj notyfikacje przy druku
   ========================================== */

@media print {
    .portal-notifications-container {
        display: none !important;
    }
}