/* ===================================
   UTILS.CSS - Styles für Utility-Komponenten
   ================================== */

/* ===================================
   LOADING STATES
   ================================== */

.global-loader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.global-loader.visible {
    opacity: 1;
    pointer-events: all;
}

.loader-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 1rem;
}

.loader-spinner {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--primary, #667eea);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loader-message {
    color: white;
    font-family: 'Poppins', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
    text-align: center;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Button Loading State */
.btn.loading {
    opacity: 0.7;
    cursor: not-allowed;
    position: relative;
}

.btn.loading::after {
    content: '';
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* ===================================
   ENHANCED NOTIFICATIONS
   ================================== */

.enhanced-notification {
    position: fixed;
    top: 100px;
    right: 20px;
    max-width: 400px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    padding: 1rem 1.5rem;
    z-index: 9999;
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.enhanced-notification.visible {
    opacity: 1;
    transform: translateX(0);
}

[data-theme="dark"] .enhanced-notification {
    background: var(--bg-card, #2c3e50);
    color: var(--text-primary, #ecf0f1);
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}

.notification-icon {
    font-size: 1.5rem;
    line-height: 1;
    flex-shrink: 0;
}

.notification-message {
    font-family: 'Poppins', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    line-height: 1.4;
    flex: 1;
}

.notification-action {
    font-family: 'Poppins', sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    white-space: nowrap;
}

.notification-action:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.notification-action:active {
    transform: translateY(0);
}

.notification-close {
    font-size: 1.5rem;
    line-height: 1;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 50%;
    color: var(--text-secondary, #5a6c7d);
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    flex-shrink: 0;
}

.notification-close:hover {
    background: rgba(0, 0, 0, 0.1);
    color: var(--text-primary, #2c3e50);
}

[data-theme="dark"] .notification-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary, #ecf0f1);
}

/* Notification Type Colors */
.enhanced-notification-success {
    border-left: 4px solid #4CAF50;
}

.enhanced-notification-error {
    border-left: 4px solid #FF5252;
}

.enhanced-notification-warning {
    border-left: 4px solid #FFC107;
}

.enhanced-notification-info {
    border-left: 4px solid #2196F3;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .enhanced-notification {
        right: 10px;
        left: 10px;
        max-width: none;
    }

    .loader-spinner {
        width: 50px;
        height: 50px;
    }

    .loader-message {
        font-size: 1rem;
    }
}

/* ===================================
   ACCESSIBILITY
   ================================== */

/* Focus styles for interactive elements */
.notification-action:focus-visible,
.notification-close:focus-visible {
    outline: 2px solid var(--primary, #667eea);
    outline-offset: 2px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .global-loader,
    .enhanced-notification,
    .loader-spinner,
    .btn.loading::after {
        animation: none;
        transition: none;
    }

    .enhanced-notification {
        transform: none;
    }

    .enhanced-notification.visible {
        opacity: 1;
    }
}