/* Professional Web Elements - CSS Styles */

/* Skeleton Loaders */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
    margin: 8px 0;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.85em;
    font-weight: 600;
    white-space: nowrap;
}

/* Notification Centre */
.notification-centre {
    position: relative;
}

.notification-bell {
    background: transparent;
    border: none;
    font-size: 1.5em;
    cursor: pointer;
    position: relative;
    padding: 8px;
    transition: transform 0.2s;
}

.notification-bell:hover {
    transform: scale(1.1);
}

.notification-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: #ef4444;
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7em;
    font-weight: bold;
}

.notification-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    width: 320px;
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
}

.notification-header {
    padding: 12px 16px;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.notification-header h3 {
    margin: 0;
    font-size: 1em;
    color: #111827;
}

.notification-header button {
    background: none;
    border: none;
    color: #3b82f6;
    font-size: 0.85em;
    cursor: pointer;
}

.notification-list {
    padding: 8px 0;
}

.notification-item {
    padding: 12px 16px;
    border-bottom: 1px solid #f3f4f6;
    cursor: pointer;
    transition: background 0.2s;
}

.notification-item:hover {
    background: #f9fafb;
}

.notification-item.unread {
    background: #eff6ff;
    border-left: 3px solid #3b82f6;
}

/* Activity Log */
.activity-log {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.activity-log h3 {
    margin: 0 0 16px 0;
    font-size: 1.1em;
    color: #111827;
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.activity-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    background: #f9fafb;
    border-radius: 6px;
    border-left: 3px solid #3b82f6;
}

.activity-icon {
    font-size: 1.2em;
}

.activity-content {
    flex: 1;
}

.activity-title {
    font-weight: 600;
    color: #111827;
    margin-bottom: 4px;
}

.activity-time {
    font-size: 0.85em;
    color: #6b7280;
}

/* Progress Indicator */
.progress-indicator {
    margin: 16px 0;
}

.progress-label {
    font-size: 0.9em;
    color: #6b7280;
    margin-bottom: 8px;
}

.progress-bar-container {
    width: 100%;
    height: 8px;
    background: #e5e7eb;
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6, #2563eb);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 0.85em;
    color: #6b7280;
    margin-top: 4px;
    text-align: right;
}

/* Tooltips */
.tooltip-wrapper {
    position: relative;
    display: inline-block;
}

.tooltip-text {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: #1f2937;
    color: white;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85em;
    white-space: nowrap;
    transition: opacity 0.3s;
    z-index: 1000;
    pointer-events: none;
}

.tooltip-text::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: #1f2937;
}

.tooltip-wrapper:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* FAQ Items */
.faq-item {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    margin-bottom: 12px;
    overflow: hidden;
}

.faq-item summary {
    padding: 16px;
    cursor: pointer;
    font-weight: 600;
    color: #111827;
    user-select: none;
    transition: background 0.2s;
}

.faq-item summary:hover {
    background: #f9fafb;
}

.faq-item[open] summary {
    background: #eff6ff;
    color: #3b82f6;
}

.faq-answer {
    padding: 0 16px 16px 16px;
    color: #6b7280;
    line-height: 1.6;
}

/* Side Panel */
.side-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 400px;
    height: 100vh;
    background: white;
    box-shadow: -4px 0 12px rgba(0,0,0,0.1);
    z-index: 2000;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.side-panel[style*="display: block"] {
    transform: translateX(0);
}

.side-panel-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1999;
    opacity: 0;
    transition: opacity 0.3s;
}

.side-panel-backdrop[style*="display: block"] {
    opacity: 1;
}

.side-panel-header {
    padding: 20px;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.side-panel-header h3 {
    margin: 0;
    color: #111827;
}

.side-panel-header button {
    background: none;
    border: none;
    font-size: 1.5em;
    cursor: pointer;
    color: #6b7280;
}

.side-panel-content {
    padding: 20px;
    overflow-y: auto;
    height: calc(100vh - 72px);
}

/* Validation Icons */
.validation-icon {
    display: inline-block;
    margin-left: 8px;
    font-weight: bold;
    font-size: 1.1em;
}

.validation-icon.valid {
    color: #10b981;
}

.validation-icon.invalid {
    color: #ef4444;
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #1f2937;
    color: white;
    padding: 16px 24px;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    z-index: 3000;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.toast-success {
    background: #10b981;
}

.toast.toast-error {
    background: #ef4444;
}

.toast.toast-warning {
    background: #f59e0b;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2500;
}

.modal {
    background: white;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    color: #111827;
}

.modal-header button {
    background: none;
    border: none;
    font-size: 1.5em;
    cursor: pointer;
    color: #6b7280;
}

.modal-content {
    padding: 20px;
    max-height: calc(90vh - 140px);
    overflow-y: auto;
}

.modal-actions {
    padding: 16px 20px;
    border-top: 1px solid #e5e7eb;
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* Micro-interactions */
.btn-primary,
.btn-secondary {
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.btn-primary {
    background: #3b82f6;
    color: white;
}

.btn-primary:hover {
    background: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: #f3f4f6;
    color: #374151;
}

.btn-secondary:hover {
    background: #e5e7eb;
}

/* Scroll-triggered animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.animate-on-scroll.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
    .side-panel {
        width: 100%;
    }
    
    .notification-dropdown {
        width: 280px;
    }
    
    .modal {
        width: 95%;
    }
}