/* ========================================
   AVAILABILITY MODULE STYLES
   ======================================== */

/* Availability Container */
.availability-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
    min-height: 600px;
}

/* Page Header */
.page-header {
    margin-bottom: var(--spacing-2xl);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-xl);
}

.header-text {
    flex: 1;
}

.page-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 24px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.01em;
}

.page-title i {
    font-size: 20px;
    color: var(--color-accent);
}

.page-subtitle {
    color: var(--color-text-secondary);
    font-size: 14px;
    font-weight: 400;
    line-height: 1.4;
    max-width: 600px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-shrink: 0;
}

/* Availability Navigation */
.availability-navigation {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-subtle);
    margin-bottom: var(--spacing-2xl);
}

.nav-tabs {
    display: flex;
    gap: var(--spacing-xs);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.nav-tabs::-webkit-scrollbar {
    display: none;
}

.nav-tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    text-decoration: none;
}

.nav-tab:hover {
    background-color: var(--color-border-light);
    color: var(--color-text-primary);
}

.nav-tab.active {
    background-color: var(--color-accent);
    color: white;
}

.nav-tab i {
    font-size: 14px;
    opacity: 0.8;
}

.nav-tab.active i {
    opacity: 1;
}

/* Availability Content */
.availability-content {
    flex: 1;
    position: relative;
}

.view-content {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.view-content.active {
    display: block;
}

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

/* Overview View */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.overview-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-subtle);
    transition: all 0.15s ease;
}

.overview-card:hover {
    border-color: var(--color-text-muted);
    box-shadow: var(--shadow-soft);
    transform: translateY(-1px);
}

.card-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border-light);
    background: linear-gradient(180deg, var(--color-surface) 0%, #fafbfc 100%);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
    letter-spacing: -0.01em;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 3px 8px;
    border-radius: var(--radius);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-indicator.not-configured {
    background-color: #fffbeb;
    color: var(--color-warning);
}

.status-indicator.configured {
    background-color: #f0fdf4;
    color: var(--color-success);
}

.status-indicator.partial {
    background-color: #f0f9ff;
    color: var(--color-info);
}

.status-indicator i {
    font-size: 10px;
}

.card-body {
    padding: var(--spacing-xl);
}

/* Status Card */
.status-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-item .label {
    font-size: 13px;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.detail-item .value {
    font-size: 13px;
    color: var(--color-text-primary);
    font-weight: 500;
}

/* Integrations Card */
.integration-summary {
    display: flex;
    justify-content: space-around;
    margin-bottom: var(--spacing-xl);
}

.summary-stat {
    text-align: center;
}

.stat-number {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    color: var(--color-text-muted);
}

.empty-state i {
    font-size: 40px;
    margin-bottom: var(--spacing-lg);
    opacity: 0.3;
    color: var(--color-text-muted);
}

.empty-state h3 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-secondary);
}

.empty-state p {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.4;
    margin-bottom: var(--spacing-lg);
}

/* Quick Actions Card */
.quick-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.quick-action {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

.quick-action:hover {
    background-color: var(--color-border-light);
    border-color: var(--color-text-muted);
    color: var(--color-text-primary);
    transform: translateX(2px);
}

.quick-action i {
    width: 16px;
    font-size: 14px;
    color: currentColor;
    opacity: 0.8;
}

.quick-action:hover i {
    opacity: 1;
}

/* Working Hours View */
.working-hours-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.settings-panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-subtle);
}

.panel-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border-light);
    background: linear-gradient(180deg, var(--color-surface) 0%, #fafbfc 100%);
}

.panel-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0 0 var(--spacing-xs) 0;
    letter-spacing: -0.01em;
}

.panel-header p {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin: 0;
    line-height: 1.4;
}

.panel-body {
    padding: var(--spacing-xl);
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.setting-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.setting-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
    letter-spacing: -0.01em;
}

.form-control {
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--color-text-primary);
    background-color: var(--color-surface);
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: inherit;
    line-height: 1.4;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(36, 41, 47, 0.08);
}

.form-control:hover:not(:focus) {
    border-color: var(--color-text-muted);
}

/* Working Hours Panel */
.working-hours-panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-subtle);
}

.panel-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.template-select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--color-text-primary);
    background-color: var(--color-surface);
    font-family: inherit;
}

.working-hours-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.working-hours-row {
    display: flex;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-light);
    transition: all 0.15s ease;
}

.working-hours-row:hover {
    background-color: var(--color-border-light);
}

.working-hours-row:last-child {
    border-bottom: none;
}

.day-header {
    flex: 0 0 140px;
    display: flex;
    align-items: center;
}

.day-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-primary);
}

.day-toggle input[type="checkbox"] {
    margin: 0;
    width: 16px;
    height: 16px;
    accent-color: var(--color-accent);
}

.day-name {
    font-weight: 500;
    color: var(--color-text-primary);
}

.time-slots {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

.time-slots.disabled {
    opacity: 0.5;
}

.time-slot {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.working-hours-time {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--color-text-primary);
    background-color: var(--color-surface);
    font-family: inherit;
    width: 100px;
}

.working-hours-time:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(36, 41, 47, 0.08);
}

.time-separator {
    font-size: 13px;
    color: var(--color-text-muted);
    font-weight: 500;
}

.unavailable-text {
    font-size: 13px;
    color: var(--color-text-muted);
    font-style: italic;
}

/* Calendar Sync View */
.calendar-sync-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.sync-panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-subtle);
}

/* Preview View */
.preview-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.calendar-preview {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-subtle);
}

.preview-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border-light);
    background: linear-gradient(180deg, var(--color-surface) 0%, #fafbfc 100%);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.preview-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
    letter-spacing: -0.01em;
}

.preview-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.current-week {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-primary);
    font-variant-numeric: tabular-nums;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    padding: var(--spacing-lg);
    background-color: var(--color-border-light);
}

.calendar-day {
    background: var(--color-surface);
    padding: var(--spacing-md);
    min-height: 100px;
    display: flex;
    flex-direction: column;
    border-radius: var(--radius);
    transition: all 0.15s ease;
}

.calendar-day:hover {
    background-color: var(--color-border-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-subtle);
}

.calendar-day.unavailable {
    background-color: var(--color-border-light);
    opacity: 0.6;
}

.day-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.day-name {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.day-date {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
}

.day-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.available-hours {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    width: 100%;
}

.time-slot {
    font-size: 10px;
    color: var(--color-success);
    font-weight: 500;
    background-color: #f0fdf4;
    padding: 2px 4px;
    border-radius: var(--radius);
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.unavailable-text {
    font-size: 10px;
    color: var(--color-text-muted);
    font-weight: 500;
    text-align: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: inherit;
    line-height: 1.4;
    white-space: nowrap;
    user-select: none;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(36, 41, 47, 0.08);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background-color: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-soft);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-text-secondary);
    border-color: var(--color-border);
}

.btn-outline:hover:not(:disabled) {
    background-color: var(--color-border-light);
    border-color: var(--color-text-muted);
    color: var(--color-text-primary);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 12px;
    font-weight: 500;
}

.btn i {
    margin-right: var(--spacing-sm);
    font-size: 13px;
}

.btn i:only-child {
    margin-right: 0;
}

/* Availability Actions */
.availability-action {
    cursor: pointer;
    transition: all 0.15s ease;
}

.availability-action:hover {
    transform: translateY(-1px);
}

/* Dark Theme Support */
[data-theme="dark"] .availability-container,
[data-theme="dark"] .overview-card,
[data-theme="dark"] .settings-panel,
[data-theme="dark"] .working-hours-panel,
[data-theme="dark"] .sync-panel,
[data-theme="dark"] .calendar-preview {
    background: var(--color-surface);
    border-color: var(--color-border);
}

[data-theme="dark"] .card-header,
[data-theme="dark"] .panel-header,
[data-theme="dark"] .preview-header {
    background: linear-gradient(180deg, var(--color-surface) 0%, #1a1a1a 100%);
}

[data-theme="dark"] .calendar-grid {
    background-color: var(--color-border);
}

[data-theme="dark"] .calendar-day {
    background: var(--color-surface);
}

[data-theme="dark"] .calendar-day:hover {
    background-color: var(--color-border-light);
}

[data-theme="dark"] .calendar-day.unavailable {
    background-color: var(--color-border-light);
}

[data-theme="dark"] .working-hours-row:hover {
    background-color: var(--color-border-light);
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .working-hours-time,
[data-theme="dark"] .template-select {
    background-color: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-text-primary);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .working-hours-time:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(35, 134, 54, 0.08);
}

/* Auto theme based on system preference */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .availability-container,
    :root:not([data-theme="light"]) .overview-card,
    :root:not([data-theme="light"]) .settings-panel,
    :root:not([data-theme="light"]) .working-hours-panel,
    :root:not([data-theme="light"]) .sync-panel,
    :root:not([data-theme="light"]) .calendar-preview {
        background: var(--color-surface);
        border-color: var(--color-border);
    }
    
    :root:not([data-theme="light"]) .card-header,
    :root:not([data-theme="light"]) .panel-header,
    :root:not([data-theme="light"]) .preview-header {
        background: linear-gradient(180deg, var(--color-surface) 0%, #1a1a1a 100%);
    }
    
    :root:not([data-theme="light"]) .calendar-grid {
        background-color: var(--color-border);
    }
    
    :root:not([data-theme="light"]) .calendar-day {
        background: var(--color-surface);
    }
    
    :root:not([data-theme="light"]) .calendar-day:hover {
        background-color: var(--color-border-light);
    }
    
    :root:not([data-theme="light"]) .calendar-day.unavailable {
        background-color: var(--color-border-light);
    }
    
    :root:not([data-theme="light"]) .working-hours-row:hover {
        background-color: var(--color-border-light);
    }
    
    :root:not([data-theme="light"]) .form-control,
    :root:not([data-theme="light"]) .working-hours-time,
    :root:not([data-theme="light"]) .template-select {
        background-color: var(--color-surface);
        border-color: var(--color-border);
        color: var(--color-text-primary);
    }
    
    :root:not([data-theme="light"]) .form-control:focus,
    :root:not([data-theme="light"]) .working-hours-time:focus {
        border-color: var(--color-accent);
        box-shadow: 0 0 0 3px rgba(35, 134, 54, 0.08);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .availability-container {
        gap: var(--spacing-xl);
    }
    
    .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-lg);
    }
    
    .header-actions {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .nav-tabs {
        gap: var(--spacing-xs);
        padding: var(--spacing-xs);
    }
    
    .nav-tab {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 13px;
    }
    
    .overview-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .settings-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .working-hours-row {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
        padding: var(--spacing-lg);
    }
    
    .day-header {
        flex: none;
        width: 100%;
    }
    
    .time-slots {
        width: 100%;
        justify-content: flex-start;
    }
    
    .calendar-grid {
        grid-template-columns: repeat(7, 1fr);
        gap: 2px;
        padding: var(--spacing-md);
    }
    
    .calendar-day {
        min-height: 80px;
        padding: var(--spacing-sm);
    }
    
    .day-date {
        font-size: 14px;
    }
    
    .time-slot {
        font-size: 9px;
    }
    
    .unavailable-text {
        font-size: 9px;
    }
    
    .preview-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .preview-controls {
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 20px;
    }
    
    .nav-tab {
        padding: var(--spacing-sm);
        font-size: 12px;
    }
    
    .nav-tab span {
        display: none;
    }
    
    .card-header,
    .panel-header,
    .preview-header {
        padding: var(--spacing-lg);
    }
    
    .card-body,
    .panel-body {
        padding: var(--spacing-lg);
    }
    
    .working-hours-row {
        padding: var(--spacing-md);
    }
    
    .calendar-grid {
        grid-template-columns: repeat(7, 1fr);
        gap: 1px;
        padding: var(--spacing-sm);
    }
    
    .calendar-day {
        min-height: 60px;
        padding: var(--spacing-xs);
    }
    
    .day-name {
        font-size: 10px;
    }
    
    .day-date {
        font-size: 12px;
    }
    
    .time-slot {
        font-size: 8px;
        padding: 1px 2px;
    }
    
    .unavailable-text {
        font-size: 8px;
    }
    
    .header-actions {
        gap: var(--spacing-xs);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 13px;
    }
    
    .btn-sm {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 11px;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .overview-card,
    .settings-panel,
    .working-hours-panel,
    .sync-panel,
    .calendar-preview {
        border-width: 2px;
    }
    
    .nav-tab.active {
        font-weight: 600;
    }
    
    .status-indicator {
        font-weight: 600;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .view-content,
    .overview-card,
    .calendar-day,
    .working-hours-row,
    .nav-tab,
    .btn,
    .quick-action {
        transition: none !important;
        animation: none !important;
    }
}