/* ==========================================================================
   JSM Insights - Custom Styles
   Dark navy/slate theme built on Bootstrap 5
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
    --bg-base: #0f172a;
    --bg-surface: #1e293b;
    --bg-surface-hover: #253449;
    --bg-elevated: #334155;
    --border-color: #334155;
    --border-subtle: #1e293b;

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --accent-blue: #3b82f6;
    --accent-blue-hover: #2563eb;
    --accent-blue-muted: rgba(59, 130, 246, 0.15);
    --accent-success: #22c55e;
    --accent-success-muted: rgba(34, 197, 94, 0.15);
    --accent-warning: #f59e0b;
    --accent-warning-muted: rgba(245, 158, 11, 0.15);
    --accent-danger: #ef4444;
    --accent-danger-muted: rgba(239, 68, 68, 0.15);
    --accent-purple: #8b5cf6;
    --accent-purple-muted: rgba(139, 92, 246, 0.15);
    --accent-cyan: #06b6d4;

    --sidebar-width: 260px;
    --sidebar-collapsed-width: 64px;
    --topbar-height: 0px;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);

    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

/* --------------------------------------------------------------------------
   Base / Reset
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    font-size: 0.9rem;
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: auto;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.scroll-x-auto {
    max-width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-blue-hover);
}

::selection {
    background: var(--accent-blue);
    color: #fff;
}

/* --------------------------------------------------------------------------
   Custom Scrollbar
   -------------------------------------------------------------------------- */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-base);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-elevated);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--bg-elevated) var(--bg-base);
}

/* --------------------------------------------------------------------------
   Bootstrap Dark Overrides
   -------------------------------------------------------------------------- */

/* Cards */
.card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    font-weight: 600;
    padding: 1rem 1.25rem;
}

.card-body {
    padding: 1.25rem;
}

.card-footer {
    background-color: transparent;
    border-top: 1px solid var(--border-color);
}

/* Modals */
.modal-content {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.modal-header {
    border-bottom-color: var(--border-color);
}

.modal-footer {
    border-top-color: var(--border-color);
}

/* Dropdowns */
.dropdown-menu {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.dropdown-item {
    color: var(--text-primary);
    transition: background-color var(--transition-fast);
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: var(--bg-surface-hover);
    color: var(--text-primary);
}

.dropdown-divider {
    border-top-color: var(--border-color);
}

/* Badges */
.badge {
    font-weight: 500;
    letter-spacing: 0.01em;
}

.guess-mode-badge {
    font-size: 0.6rem;
}

.guess-confirmed-badge {
    font-size: 0.6rem;
    background: var(--accent-success-muted);
    color: #86efac;
}

.guess-closure-text {
    white-space: nowrap;
}

.guess-closure-text.pending {
    color: #f59e0b;
}

.guess-closure-text.confirmed {
    color: #10b981;
}

.guess-mode-badge.local {
    background: var(--accent-warning-muted);
    color: #fcd34d;
}

.guess-mode-badge.jira {
    background: var(--accent-blue-muted);
    color: #93c5fd;
}

.guess-mode-badge.both {
    background: var(--accent-success-muted);
    color: #86efac;
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--radius-sm);
}

/* Tooltips */
.tooltip .tooltip-inner {
    background-color: var(--bg-elevated);
    color: var(--text-primary);
    font-size: 0.8rem;
}

/* --------------------------------------------------------------------------
   Form Controls - Dark Theme
   -------------------------------------------------------------------------- */
.form-control,
.form-select {
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 0.55rem 0.85rem;
    font-size: 0.875rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
    background-color: var(--bg-base);
    border-color: var(--accent-blue);
    color: var(--text-primary);
    box-shadow: 0 0 0 3px var(--accent-blue-muted);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-control:disabled,
.form-select:disabled {
    background-color: var(--bg-surface);
    color: var(--text-muted);
    opacity: 0.7;
}

.form-label {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.4rem;
}

.form-text {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.form-check-input {
    background-color: var(--bg-base);
    border-color: var(--border-color);
}

.form-check-input:checked {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px var(--accent-blue-muted);
    border-color: var(--accent-blue);
}

.form-check-label {
    color: var(--text-secondary);
}

.input-group-text {
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

textarea.form-control {
    min-height: 80px;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.5rem 1.1rem;
    transition: all var(--transition-fast);
    letter-spacing: 0.01em;
}

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

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--accent-blue-hover);
    border-color: var(--accent-blue-hover);
    box-shadow: 0 0 0 3px var(--accent-blue-muted);
}

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

.btn-success:hover {
    background-color: #16a34a;
    border-color: #16a34a;
}

.btn-warning {
    background-color: var(--accent-warning);
    border-color: var(--accent-warning);
    color: #0f172a;
}

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

.btn-outline-primary {
    color: var(--accent-blue);
    border-color: var(--accent-blue);
}

.btn-outline-primary:hover {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #fff;
}

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

.btn-outline-secondary:hover {
    background-color: var(--bg-elevated);
    border-color: var(--text-muted);
    color: var(--text-primary);
}

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

.btn-outline-light:hover {
    background-color: var(--bg-surface-hover);
    color: var(--text-primary);
}

.btn-ghost {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.4rem 0.6rem;
}

.btn-ghost:hover {
    background-color: var(--bg-surface-hover);
    color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   Sidebar Navigation
   -------------------------------------------------------------------------- */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    z-index: 1050;
    display: flex;
    flex-direction: column;
    transition: width var(--transition-normal), transform var(--transition-normal);
    overflow: hidden;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 1.25rem 1rem;
    border-bottom: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-primary);
    white-space: nowrap;
}

.sidebar-brand .brand-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.sidebar-brand .brand-text {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.sidebar-brand .brand-sub {
    font-size: 0.7rem;
    color: var(--text-muted);
    display: block;
    margin-top: -2px;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem 0;
}

.sidebar-nav .nav-section {
    padding: 0.5rem 1.25rem 0.35rem;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    font-weight: 600;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 1.25rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    border-radius: 0;
    transition: all var(--transition-fast);
    position: relative;
}

.sidebar-nav .nav-link i,
.sidebar-nav .nav-link .nav-icon {
    width: 20px;
    text-align: center;
    flex-shrink: 0;
    font-size: 1rem;
}

.sidebar-nav .nav-link:hover {
    color: var(--text-primary);
    background-color: var(--bg-surface-hover);
}

.sidebar-nav .nav-link.active {
    color: var(--accent-blue);
    background-color: var(--accent-blue-muted);
}

.sidebar-nav .nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.35rem;
    bottom: 0.35rem;
    width: 3px;
    background-color: var(--accent-blue);
    border-radius: 0 2px 2px 0;
}

.sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-color);
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
    color: var(--text-primary);
    background-color: var(--bg-surface-hover);
}

/* Collapsed sidebar */
.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar.collapsed .nav-link span,
.sidebar.collapsed .brand-text,
.sidebar.collapsed .brand-sub,
.sidebar.collapsed .nav-section,
.sidebar.collapsed .sidebar-footer span {
    display: none;
}

.sidebar.collapsed .sidebar-brand {
    justify-content: center;
    padding: 1.25rem 0.5rem 1rem;
}

.sidebar.collapsed .nav-link {
    justify-content: center;
    padding: 0.7rem 0.5rem;
}

/* --------------------------------------------------------------------------
   Main Content
   -------------------------------------------------------------------------- */
.main-content {
    margin-left: var(--sidebar-width);
    padding: 1.5rem 2rem 2rem;
    min-height: 100vh;
    transition: margin-left var(--transition-normal);
}

.sidebar.collapsed ~ .main-content {
    margin-left: var(--sidebar-collapsed-width);
}

.page-header {
    margin-bottom: 1.5rem;
}

.page-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.page-header p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Dashboard Summary Cards
   -------------------------------------------------------------------------- */
.summary-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--accent-blue);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.summary-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.summary-card::after {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    opacity: 0.06;
}

.summary-card--blue {
    border-left-color: var(--accent-blue);
}

.summary-card--blue::after {
    background-color: var(--accent-blue);
}

.summary-card--green {
    border-left-color: var(--accent-success);
}

.summary-card--green::after {
    background-color: var(--accent-success);
}

.summary-card--yellow {
    border-left-color: var(--accent-warning);
}

.summary-card--yellow::after {
    background-color: var(--accent-warning);
}

.summary-card--red {
    border-left-color: var(--accent-danger);
}

.summary-card--red::after {
    background-color: var(--accent-danger);
}

.summary-card--purple {
    border-left-color: var(--accent-purple);
}

.summary-card--purple::after {
    background-color: var(--accent-purple);
}

.summary-card--cyan {
    border-left-color: var(--accent-cyan);
}

.summary-card--cyan::after {
    background-color: var(--accent-cyan);
}

.summary-card .card-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    margin-bottom: 0.85rem;
}

.summary-card--blue .card-icon {
    background-color: var(--accent-blue-muted);
    color: var(--accent-blue);
}

.summary-card--green .card-icon {
    background-color: var(--accent-success-muted);
    color: var(--accent-success);
}

.summary-card--yellow .card-icon {
    background-color: var(--accent-warning-muted);
    color: var(--accent-warning);
}

.summary-card--red .card-icon {
    background-color: var(--accent-danger-muted);
    color: var(--accent-danger);
}

.summary-card--purple .card-icon {
    background-color: var(--accent-purple-muted);
    color: var(--accent-purple);
}

.summary-card .card-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
    margin-bottom: 0.25rem;
}

.summary-card .card-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 500;
}

/* --------------------------------------------------------------------------
   Chart Containers
   -------------------------------------------------------------------------- */
.chart-container {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    position: relative;
    min-height: 320px;
    transition: box-shadow var(--transition-normal);
}

.chart-container:hover {
    box-shadow: var(--shadow-md);
}

.chart-container .chart-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.chart-plot {
    width: 100%;
    min-height: 280px;
}

/* Loading spinner overlay for charts */
.chart-loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(15, 23, 42, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    z-index: 10;
    backdrop-filter: blur(2px);
}

.chart-loading .spinner-border {
    width: 2rem;
    height: 2rem;
    color: var(--accent-blue);
    border-width: 3px;
}

.chart-loading .loading-text {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

.chart-loading.d-none {
    display: none !important;
}

/* --------------------------------------------------------------------------
   Gauge Chart Containers
   -------------------------------------------------------------------------- */
.gauge-container {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    min-height: 200px;
}

.gauge-container .gauge-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 0.5rem;
}

/* --------------------------------------------------------------------------
   Word Cloud Container
   -------------------------------------------------------------------------- */
.wordcloud-container {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    text-align: center;
    position: relative;
    min-height: 280px;
}

.wordcloud-container img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
}

.wordcloud-container .wordcloud-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    color: var(--text-muted);
}

.wordcloud-container .wordcloud-empty i {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    opacity: 0.4;
}

/* --------------------------------------------------------------------------
   Drag-and-Drop Upload Zone
   -------------------------------------------------------------------------- */
.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    background-color: var(--bg-surface);
    position: relative;
}

.upload-zone:hover {
    border-color: var(--accent-blue);
    background-color: var(--accent-blue-muted);
}

.upload-zone.drag-hover {
    border-color: var(--accent-blue);
    background-color: var(--accent-blue-muted);
    transform: scale(1.01);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.upload-zone .upload-icon {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    transition: color var(--transition-fast);
}

.upload-zone:hover .upload-icon,
.upload-zone.drag-hover .upload-icon {
    color: var(--accent-blue);
}

.upload-zone .upload-text {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
    font-weight: 500;
}

.upload-zone .upload-subtext {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.upload-zone .upload-browse {
    color: var(--accent-blue);
    font-weight: 600;
    cursor: pointer;
}

.upload-zone .upload-browse:hover {
    text-decoration: underline;
}

.upload-zone input[type="file"] {
    display: none;
}

/* Upload progress */
.upload-progress {
    margin-top: 1.5rem;
}

.upload-progress .progress {
    height: 6px;
    background-color: var(--bg-base);
    border-radius: 3px;
    overflow: hidden;
}

.upload-progress .progress-bar {
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    border-radius: 3px;
    transition: width var(--transition-normal);
}

.upload-progress .progress-bar.progress-bar-striped.progress-bar-animated {
    background-size: 1rem 1rem;
}

.upload-file-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background-color: var(--bg-base);
    border-radius: var(--radius-sm);
    margin-top: 1rem;
}

.upload-file-info .file-icon {
    color: var(--accent-blue);
    font-size: 1.25rem;
}

.upload-file-info .file-name {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.875rem;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.upload-file-info .file-size {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.upload-file-info .file-remove {
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.upload-file-info .file-remove:hover {
    color: var(--accent-danger);
    background-color: var(--accent-danger-muted);
}

/* --------------------------------------------------------------------------
   Data Tables - Dark Theme
   -------------------------------------------------------------------------- */
.table {
    color: var(--text-primary);
    border-color: var(--border-color);
    font-size: 0.85rem;
}

.table > thead {
    border-bottom: 2px solid var(--border-color);
}

.table > thead > tr > th {
    background-color: var(--bg-surface);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.75rem 1rem;
    border-bottom-color: var(--border-color);
    white-space: nowrap;
}

.table > tbody > tr > td {
    padding: 0.7rem 1rem;
    border-bottom-color: var(--border-color);
    vertical-align: middle;
}

.table-striped > tbody > tr:nth-of-type(odd) > td {
    background-color: rgba(30, 41, 59, 0.5);
}

.table-hover > tbody > tr:hover > td {
    background-color: var(--bg-surface-hover);
}

.table-dark {
    --bs-table-bg: var(--bg-surface);
    --bs-table-striped-bg: rgba(15, 23, 42, 0.5);
    --bs-table-hover-bg: var(--bg-surface-hover);
    --bs-table-border-color: var(--border-color);
    color: var(--text-primary);
}

/* Responsive table wrapper */
.table-responsive {
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.table-responsive .table {
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Expandable Table Rows
   -------------------------------------------------------------------------- */
.table .row-expandable {
    cursor: pointer;
}

.table .row-expandable:hover {
    background-color: var(--bg-surface-hover) !important;
}

.table .row-expandable .expand-icon {
    transition: transform var(--transition-fast);
    display: inline-block;
    color: var(--text-muted);
}

.table .row-expandable.expanded .expand-icon {
    transform: rotate(90deg);
}

.table .row-detail {
    display: none;
}

.table .row-detail.show {
    display: table-row;
    animation: fadeSlideDown 0.2s ease-out;
}

.table .row-detail > td {
    background-color: var(--bg-base);
    padding: 1rem 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

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

/* --------------------------------------------------------------------------
   Pagination
   -------------------------------------------------------------------------- */
.pagination {
    gap: 0.25rem;
}

.page-item .page-link {
    background-color: var(--bg-surface);
    border-color: var(--border-color);
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.page-item .page-link:hover {
    background-color: var(--bg-surface-hover);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.page-item.active .page-link {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #fff;
}

.page-item.disabled .page-link {
    background-color: var(--bg-surface);
    border-color: var(--border-color);
    color: var(--text-muted);
    opacity: 0.5;
}

/* --------------------------------------------------------------------------
   Filter Bar
   -------------------------------------------------------------------------- */
.filter-bar {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-bar .filter-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.filter-bar .form-control,
.filter-bar .form-select {
    max-width: 200px;
    font-size: 0.825rem;
}

.filter-bar .btn {
    font-size: 0.825rem;
}

/* Date range inputs */
input[type="date"].form-control {
    color-scheme: dark;
}

/* --------------------------------------------------------------------------
   Flash Messages
   -------------------------------------------------------------------------- */
.flash-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 9999;
    max-width: 420px;
    width: 100%;
}

.flash-message {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.85rem 1.25rem;
    margin-bottom: 0.5rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    animation: flashSlideIn 0.3s ease-out;
    position: relative;
}

.flash-message.flash-success {
    border-left: 4px solid var(--accent-success);
}

.flash-message.flash-error {
    border-left: 4px solid var(--accent-danger);
}

.flash-message.flash-warning {
    border-left: 4px solid var(--accent-warning);
}

.flash-message.flash-info {
    border-left: 4px solid var(--accent-blue);
}

.flash-message .flash-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.flash-message.flash-success .flash-icon {
    color: var(--accent-success);
}

.flash-message.flash-error .flash-icon {
    color: var(--accent-danger);
}

.flash-message.flash-warning .flash-icon {
    color: var(--accent-warning);
}

.flash-message.flash-info .flash-icon {
    color: var(--accent-blue);
}

.flash-message .flash-body {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.flash-message .flash-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    font-size: 1.1rem;
    line-height: 1;
    transition: color var(--transition-fast);
}

.flash-message .flash-close:hover {
    color: var(--text-primary);
}

.flash-message.flash-hiding {
    animation: flashSlideOut 0.25s ease-in forwards;
}

@keyframes flashSlideIn {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes flashSlideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(40px);
    }
}

/* --------------------------------------------------------------------------
   Status / Priority Badges
   -------------------------------------------------------------------------- */
.badge-priority-highest {
    background-color: #dc2626;
    color: #fff;
}

.badge-priority-high {
    background-color: #ef4444;
    color: #fff;
}

.badge-priority-medium {
    background-color: #f59e0b;
    color: #0f172a;
}

.badge-priority-low {
    background-color: #3b82f6;
    color: #fff;
}

.badge-priority-lowest {
    background-color: #6b7280;
    color: #fff;
}

.badge-status-open {
    background-color: var(--accent-blue-muted);
    color: var(--accent-blue);
}

.badge-status-resolved {
    background-color: var(--accent-success-muted);
    color: var(--accent-success);
}

.badge-status-closed {
    background-color: rgba(100, 116, 139, 0.2);
    color: var(--text-muted);
}

.badge-status-in-progress {
    background-color: var(--accent-warning-muted);
    color: var(--accent-warning);
}

/* --------------------------------------------------------------------------
   Connection Status Indicator
   -------------------------------------------------------------------------- */
.connection-status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.connection-status .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.connection-status--success {
    background-color: var(--accent-success-muted);
    color: var(--accent-success);
}

.connection-status--success .status-dot {
    background-color: var(--accent-success);
    box-shadow: 0 0 6px var(--accent-success);
}

.connection-status--error {
    background-color: var(--accent-danger-muted);
    color: var(--accent-danger);
}

.connection-status--error .status-dot {
    background-color: var(--accent-danger);
}

.connection-status--pending {
    background-color: var(--accent-warning-muted);
    color: var(--accent-warning);
}

.connection-status--pending .status-dot {
    background-color: var(--accent-warning);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* --------------------------------------------------------------------------
   JQL Builder
   -------------------------------------------------------------------------- */
.jql-preset-list .list-group-item {
    background-color: var(--bg-base);
    border-color: var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.85rem;
}

.jql-preset-list .list-group-item:hover {
    background-color: var(--bg-surface-hover);
    border-color: var(--accent-blue);
}

.jql-preset-list .list-group-item .preset-name {
    font-weight: 600;
    display: block;
    margin-bottom: 0.15rem;
}

.jql-preset-list .list-group-item .preset-jql {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
    word-break: break-all;
}

/* --------------------------------------------------------------------------
   AI Suggestions Table
   -------------------------------------------------------------------------- */
.suggestion-row {
    transition: background-color var(--transition-fast);
}

.suggestion-row.accepted {
    background-color: var(--accent-success-muted) !important;
}

.suggestion-row.rejected {
    background-color: var(--accent-danger-muted) !important;
    opacity: 0.6;
}

.suggestion-row .confidence-bar {
    width: 60px;
    height: 6px;
    background-color: var(--bg-base);
    border-radius: 3px;
    overflow: hidden;
    display: inline-block;
    vertical-align: middle;
    margin-left: 0.5rem;
}

.suggestion-row .confidence-bar .bar-fill {
    height: 100%;
    border-radius: 3px;
    transition: width var(--transition-normal);
}

.confidence-high .bar-fill {
    background-color: var(--accent-success);
}

.confidence-medium .bar-fill {
    background-color: var(--accent-warning);
}

.confidence-low .bar-fill {
    background-color: var(--accent-danger);
}

/* --------------------------------------------------------------------------
   Empty State
   -------------------------------------------------------------------------- */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
}

.empty-state .empty-icon {
    font-size: 3.5rem;
    color: var(--text-muted);
    opacity: 0.3;
    margin-bottom: 1rem;
}

.empty-state .empty-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.empty-state .empty-text {
    color: var(--text-muted);
    font-size: 0.875rem;
    max-width: 400px;
    margin: 0 auto 1.25rem;
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.text-accent {
    color: var(--accent-blue);
}

.bg-surface {
    background-color: var(--bg-surface);
}

.border-subtle {
    border-color: var(--border-color) !important;
}

.fw-600 {
    font-weight: 600;
}

.fs-xs {
    font-size: 0.75rem;
}

.fs-sm {
    font-size: 0.85rem;
}

.gap-grid {
    gap: 1.25rem;
}

.transition-all {
    transition: all var(--transition-normal);
}

/* --------------------------------------------------------------------------
   Responsive Breakpoints
   -------------------------------------------------------------------------- */

/* Tablets */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.show {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }

    .main-content {
        margin-left: 0;
        padding: 1rem;
    }

    .sidebar.collapsed ~ .main-content {
        margin-left: 0;
    }

    /* Mobile overlay */
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 1040;
    }

    .sidebar.show ~ .sidebar-overlay {
        display: block;
    }

    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-bar .form-control,
    .filter-bar .form-select {
        max-width: 100%;
    }
}

/* Mobile phones */
@media (max-width: 575.98px) {
    .main-content {
        padding: 0.75rem;
    }

    .page-header h1 {
        font-size: 1.25rem;
    }

    .summary-card {
        padding: 1rem;
    }

    .summary-card .card-value {
        font-size: 1.5rem;
    }

    .chart-container {
        min-height: 250px;
        padding: 0.75rem;
    }

    .upload-zone {
        padding: 2rem 1rem;
    }

    .upload-zone .upload-icon {
        font-size: 2rem;
    }

    .table > thead > tr > th,
    .table > tbody > tr > td {
        padding: 0.5rem 0.6rem;
        font-size: 0.8rem;
    }

    .flash-container {
        left: 0.5rem;
        right: 0.5rem;
        max-width: none;
    }
}

/* Large screens */
@media (min-width: 1400px) {
    .main-content {
        padding: 2rem 3rem;
    }
}

/* --------------------------------------------------------------------------
   Mobile Top Bar (visible on small screens)
   -------------------------------------------------------------------------- */
.mobile-topbar {
    display: none;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    position: sticky;
    top: 0;
    z-index: 1030;
    align-items: center;
    justify-content: space-between;
}

@media (max-width: 991.98px) {
    .mobile-topbar {
        display: flex;
    }
}

.mobile-topbar .topbar-brand {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
}

.mobile-topbar .topbar-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    padding: 0.25rem 0.5rem;
    cursor: pointer;
}

/* --------------------------------------------------------------------------
   Plotly Chart Overrides
   -------------------------------------------------------------------------- */
.js-plotly-plot .plotly .modebar {
    right: 8px !important;
    top: 4px !important;
}

.js-plotly-plot .plotly .modebar-btn {
    color: var(--text-muted) !important;
}

.js-plotly-plot .plotly .modebar-btn:hover {
    color: var(--accent-blue) !important;
}

.js-plotly-plot .plotly .modebar-btn.active {
    color: var(--accent-blue) !important;
}

/* --------------------------------------------------------------------------
   Skeleton Loading Placeholders
   -------------------------------------------------------------------------- */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-surface) 25%,
        var(--bg-surface-hover) 50%,
        var(--bg-surface) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
}

.skeleton-text {
    height: 0.85rem;
    margin-bottom: 0.5rem;
}

.skeleton-heading {
    height: 1.5rem;
    width: 60%;
    margin-bottom: 0.75rem;
}

.skeleton-chart {
    height: 280px;
    border-radius: var(--radius-md);
}

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

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */
@media print {
    .sidebar,
    .mobile-topbar,
    .filter-bar,
    .flash-container {
        display: none !important;
    }

    .main-content {
        margin-left: 0 !important;
        padding: 0 !important;
    }

    .card,
    .chart-container,
    .summary-card {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #ccc !important;
    }

    body {
        background: #fff !important;
        color: #000 !important;
    }
}