/* ═══════════════════════════════════════════════════════════════
   Midot Analytics Console — Corporate Design System
   Premium dark BI theme inspired by Datadog / Grafana Enterprise
   ═══════════════════════════════════════════════════════════════ */

/* ── Reset ──────────────────────────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ── Design Tokens ──────────────────────────────────────────── */
:root {
    color-scheme: dark;

    /* Surfaces */
    --bg:              #0D1117;
    --surface:         #161B27;
    --surface-alt:     #1E2535;
    --surface-raised:  #232D3F;

    /* Borders */
    --border:          #2A3347;
    --border-strong:   #3D4F6B;

    /* Text */
    --text:            #E8EDF5;
    --text-secondary:  #A8B5CC;
    --text-muted:      #6B7FA3;

    /* Accent — corporate indigo */
    --accent:          #4F6BED;
    --accent-hover:    #3D57D6;
    --accent-subtle:   rgba(79, 107, 237, 0.12);

    /* Status */
    --success:         #22C55E;
    --warning:         #F59E0B;
    --critical:        #EF4444;
    --info:            #3B82F6;

    /* Layout regions */
    --sidebar-bg:      #111827;
    --header-bg:       #161B27;

    /* Shadows */
    --shadow-sm:       0 1px 3px rgba(0,0,0,0.3);
    --shadow:          0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg:       0 8px 32px rgba(0,0,0,0.5);

    /* Radius */
    --radius:          10px;
    --radius-sm:       6px;
    --radius-lg:       14px;

    /* Sidebar */
    --sidebar-width:            240px;
    --sidebar-collapsed-width:  64px;

    /* Heights */
    --header-height:    72px;
    --subheader-height: 56px;

    /* Spacing */
    --gap:             24px;
}

/* ── Base ────────────────────────────────────────────────────── */
html {
    scroll-behavior: smooth;
}

body {
    font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
    line-height: 1.55;
    font-feature-settings: "tnum" 1, "ss01" 1;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

img,
svg {
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

.tabular {
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum" 1;
}

/* ── Focus ───────────────────────────────────────────────────── */
:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(79, 107, 237, 0.45);
    border-radius: var(--radius-sm);
}

.badge:focus-visible,
.report-card__chip:focus-visible,
.report-chip:focus-visible {
    border-radius: 999px;
}

/* ── Skip Link ───────────────────────────────────────────────── */
.skip-link {
    position: absolute;
    left: -999px;
    top: 16px;
    background: var(--accent);
    color: #fff;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    z-index: 9999;
    font-weight: 600;
}

.skip-link:focus {
    left: 16px;
}

/* ══════════════════════════════════════════════════════════════
   LAYOUT — Console Grid (Sidebar + Main Area)
   ══════════════════════════════════════════════════════════════ */
.console-layout {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    min-height: 100vh;
    transition: grid-template-columns 0.25s ease;
}

.console-layout.sidebar-collapsed {
    grid-template-columns: var(--sidebar-collapsed-width) 1fr;
}

.main-area {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: clip;
}

/* ══════════════════════════════════════════════════════════════
   SIDEBAR
   ══════════════════════════════════════════════════════════════ */
.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    align-self: start;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 100;
    overflow: hidden;
    flex-shrink: 0;
}

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

/* Sidebar Header / Brand */
.sidebar-header {
    padding: 20px 16px 16px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    overflow: hidden;
}

.sidebar-logo {
    color: var(--accent);
    flex-shrink: 0;
    width: 32px;
    height: 32px;
}

.sidebar-brand-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
    white-space: nowrap;
}

.brand-title {
    display: block;
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.01em;
}

.brand-subtitle {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
}

/* Sidebar Nav */
.sidebar-nav {
    flex: 1;
    padding: 12px 8px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow-y: auto;
    overflow-x: hidden;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    height: 48px;
    padding: 0 12px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    transition: background 0.15s ease, color 0.15s ease, border-left-color 0.15s ease;
    border-left: 3px solid transparent;
    position: relative;
}

.nav-item:hover {
    background: var(--surface-alt);
    color: var(--text);
}

.nav-item.is-active {
    background: var(--accent-subtle);
    color: var(--accent);
    border-left-color: var(--accent);
}

.nav-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
}

.nav-label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: opacity 0.2s ease, max-width 0.25s ease;
}

/* Collapsed sidebar — hide labels */
.sidebar--collapsed .nav-label,
.sidebar--collapsed .sidebar-brand-text {
    opacity: 0;
    max-width: 0;
    pointer-events: none;
}

.sidebar--collapsed .nav-item {
    justify-content: center;
    padding: 0;
}

.sidebar--collapsed .nav-icon {
    margin: 0 auto;
}

/* Sidebar Footer / Toggle */
.sidebar-footer {
    padding: 12px 8px;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
}

.sidebar-toggle {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    height: 40px;
    padding: 0 12px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    transition: background 0.15s ease, color 0.15s ease;
}

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

.sidebar--collapsed .sidebar-toggle {
    justify-content: center;
    padding: 0;
}

.sidebar--collapsed .sidebar-toggle svg {
    transform: rotate(180deg);
}

/* ── Mobile hamburger toggle ─────────────────────────────────── */
.sidebar-mobile-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.15s;
}
.sidebar-mobile-toggle:hover { background: var(--surface-alt); }

/* ── Sidebar overlay / backdrop ──────────────────────────────── */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
    opacity: 0;
    transition: opacity 0.25s ease;
}
.sidebar-overlay.is-visible {
    display: block;
    opacity: 1;
}

/* ══════════════════════════════════════════════════════════════
   HEADER
   ══════════════════════════════════════════════════════════════ */
.app-header {
    position: sticky;
    top: 0;
    z-index: 50;
    height: var(--header-height);
    background: var(--header-bg);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    height: 100%;
    padding: 0 28px;
}

.header-page-context {
    flex: 1;
    min-width: 0;
}

.header-page-label {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.header-workspace-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex-shrink: 0;
}

.control-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    font-weight: 600;
}

select {
    background: var(--surface-alt);
    color: var(--text);
    border: 1px solid var(--border-strong);
    padding: 8px 36px 8px 12px;
    border-radius: var(--radius-sm);
    min-width: 220px;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7FA3' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    transition: border-color 0.2s ease;
}

select:focus-visible {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(79, 107, 237, 0.25);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

/* User Avatar */
.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: default;
    user-select: none;
    flex-shrink: 0;
    letter-spacing: 0.02em;
}

/* ══════════════════════════════════════════════════════════════
   PAGE SUB-HEADER
   ══════════════════════════════════════════════════════════════ */
.page-subheader {
    position: sticky;
    top: var(--header-height);
    z-index: 40;
    height: var(--subheader-height);
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.subheader-inner {
    display: flex;
    align-items: center;
    height: 100%;
    padding: 0 28px;
}

.subheader-page-subtitle {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

/* ══════════════════════════════════════════════════════════════
   HIDDEN PAGE TABS (JS depends on DOM presence)
   ══════════════════════════════════════════════════════════════ */
.page-tabs {
    display: none !important;
}

/* ══════════════════════════════════════════════════════════════
   MAIN CONTENT
   ══════════════════════════════════════════════════════════════ */
.app-main {
    flex: 1;
    padding: 32px 0 64px;
    min-height: 0;
}

.content-container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 28px;
}

/* ── Page Sections (tab panels) ─────────────────────────────── */
.page-section {
    display: none;
}

.page-section.is-active {
    display: block;
}

/* ── Inline Alert ────────────────────────────────────────────── */
.inline-alert {
    margin-bottom: 24px;
    background: rgba(239, 68, 68, 0.10);
    border: 1px solid rgba(239, 68, 68, 0.35);
    border-left: 3px solid var(--critical);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    color: var(--text);
}

.inline-alert-content {
    display: grid;
    gap: 4px;
}

.inline-alert-title {
    font-weight: 600;
}

/* ── Section Headers ─────────────────────────────────────────── */
.section-header {
    margin-bottom: 24px;
}

.section-header h1,
.section-header h2,
.section-title {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.015em;
    margin-bottom: 6px;
    color: var(--text);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.5;
}

/* ══════════════════════════════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════════════════════════════ */
.button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    padding: 9px 18px;
    font-weight: 500;
    font-size: 14px;
    font-family: inherit;
    cursor: pointer;
    background: var(--surface);
    color: var(--text);
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
    white-space: nowrap;
    text-decoration: none;
}

.button:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(79, 107, 237, 0.4);
}

.button-primary {
    background: var(--accent);
    color: #fff;
    border-color: transparent;
    font-weight: 600;
    letter-spacing: 0.03em;
}

.button-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 4px 12px rgba(79, 107, 237, 0.35);
    transform: translateY(-1px);
}

.button-primary:active {
    transform: scale(0.98);
    box-shadow: none;
}

.button-ghost {
    background: transparent;
    border-color: var(--border-strong);
    color: var(--text-secondary);
}

.button-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-subtle);
}

.button-ghost.is-active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    font-weight: 600;
}

.button-ghost:active {
    transform: scale(0.97);
}

.button:disabled {
    background: var(--border);
    color: var(--text-muted);
    cursor: not-allowed;
    pointer-events: none;
}

.icon-button {
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
    flex-shrink: 0;
}

.icon-button:hover {
    background: var(--surface-alt);
    color: var(--text);
    border-color: var(--border);
}

.icon-button:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(79, 107, 237, 0.4);
}

.button-group {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

/* ══════════════════════════════════════════════════════════════
   KPI SECTION
   ══════════════════════════════════════════════════════════════ */
.kpi-section {
    margin-bottom: 48px;
}

.kpi-controls {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.kpi-controls .control-label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--gap);
}

.kpi-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    padding: 20px 20px 20px 18px;
    border-radius: var(--radius);
    display: grid;
    gap: 8px;
    box-shadow: var(--shadow-sm);
    transition: border-color 0.2s ease, box-shadow 0.25s ease, transform 0.2s ease;
}

.kpi-card:hover {
    border-color: var(--border-strong);
    border-left-color: var(--accent);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.kpi-card--highlight {
    border-left-color: var(--success);
}

.kpi-label {
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-secondary);
    font-weight: 600;
}

.kpi-value {
    font-size: 2.4rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: var(--text);
}

#kpi-mttr-p50 { color: var(--success); }
#kpi-mttr-p90 { color: var(--warning); }
#kpi-mttr-p95 { color: var(--critical); }

.kpi-meta {
    color: var(--text-muted);
    font-size: 12px;
}

.kpi-trend {
    display: inline-flex;
    align-items: center;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.01em;
    color: var(--text-muted);
    min-height: 18px;
}

.kpi-trend--good   { color: var(--success); }
.kpi-trend--bad    { color: var(--critical); }
.kpi-trend--neutral { color: var(--text-muted); }

/* ══════════════════════════════════════════════════════════════
   TIME RANGE PANEL
   ══════════════════════════════════════════════════════════════ */
.time-range-panel {
    position: sticky;
    top: calc(var(--header-height) + var(--subheader-height));
    z-index: 30;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-bottom: 32px;
    box-shadow: var(--shadow);
}

.time-range-panel-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
}

.time-range-group {
    display: grid;
    gap: 8px;
}

.range-description {
    color: var(--text-secondary);
    font-size: 13px;
    font-style: italic;
}

.time-range-panel .button.is-active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    font-weight: 600;
}

/* ══════════════════════════════════════════════════════════════
   CHART CARDS
   ══════════════════════════════════════════════════════════════ */
.charts-section {
    margin-bottom: 40px;
}

.chart-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--gap);
}

.chart-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    display: grid;
    gap: 16px;
    min-height: 380px;
    box-shadow: var(--shadow-sm);
    transition: border-color 0.2s ease, box-shadow 0.25s ease, transform 0.2s ease;
}

.chart-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.chart-full {
    grid-column: span 2;
}

.chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
}

.chart-header h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    letter-spacing: -0.01em;
}

.coming-soon {
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 3px 10px;
}

.chart-body {
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    min-height: 300px;
    overflow: hidden;
}

.chart-placeholder {
    display: grid;
    place-items: center;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 15px;
}

.chart-body-large {
    min-height: 480px;
}

#chart-status-pie { min-height: 360px; }
.chart-card:has(#chart-status-pie) { min-height: 420px; }

#chart-category-bar { min-height: 360px; }
.chart-card:has(#chart-category-bar) { min-height: 440px; }

.chart-footer {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ══════════════════════════════════════════════════════════════
   TABLE SECTION
   ══════════════════════════════════════════════════════════════ */
.table-section {
    margin-bottom: 40px;
}

.data-table {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px 20px;
    display: grid;
    gap: 16px;
}

.data-table summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--text);
    user-select: none;
}

.table-wrapper {
    overflow: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 520px;
}

th,
td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

th {
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.1em;
    font-weight: 600;
    background: var(--surface-raised);
}

tbody tr:last-child td {
    border-bottom: none;
}

/* Leaderboard table */
.leaderboard-table td,
.leaderboard-table th {
    padding: 14px 20px;
}

.leaderboard-table tbody tr {
    transition: background 0.15s ease;
}

.leaderboard-table tbody tr:last-child td {
    border-bottom: none;
}

.leaderboard-table tbody tr:hover td {
    background: var(--surface-alt);
}

.col-rank {
    width: 56px;
    font-size: 15px;
    text-align: center;
}

.col-num {
    width: 100px;
    text-align: right;
}

.col-share {
    width: 200px;
}

.tech-name  { font-weight: 500; }

.tech-hours {
    font-variant-numeric: tabular-nums;
    text-align: right;
    color: var(--accent);
    font-weight: 600;
}

.tech-share {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 160px;
}

.share-bar-wrap {
    flex: 1;
    background: var(--border);
    border-radius: 999px;
    height: 5px;
    overflow: hidden;
}

.share-bar {
    height: 100%;
    background: var(--accent);
    border-radius: 999px;
    transition: width 0.4s ease;
}

.empty-row {
    text-align: center;
    color: var(--text-muted);
    padding: 32px;
    border-bottom: none !important;
}

.table-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    color: var(--text-muted);
    font-size: 14px;
}

/* ── Badges ──────────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success  { background: rgba(34, 197, 94, 0.15);  color: var(--success); }
.badge-warning  { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.badge-critical { background: rgba(239, 68, 68, 0.15);  color: var(--critical); }
.badge-info     { background: rgba(59, 130, 246, 0.15); color: var(--info); }

/* ══════════════════════════════════════════════════════════════
   TOOLTIPS
   ══════════════════════════════════════════════════════════════ */
.tooltip-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.tooltip-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 17px;
    height: 17px;
    border-radius: 50%;
    background: transparent;
    border: 1px solid var(--border-strong);
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.15s ease;
}

.tooltip-trigger:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-subtle);
}

.tooltip-content {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--surface-raised);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    max-width: 290px;
    font-size: 13px;
    line-height: 1.5;
    color: var(--text-secondary);
    box-shadow: var(--shadow-lg);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s ease, visibility 0.15s ease, transform 0.15s ease;
    pointer-events: none;
    white-space: normal;
}

.tooltip-content.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-4px);
}

.tooltip-content::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--surface-raised);
}

.tooltip-link {
    display: inline-block;
    margin-top: 8px;
    color: var(--accent);
    text-decoration: none;
    font-size: 12px;
}

.tooltip-link:hover {
    text-decoration: underline;
}

/* ══════════════════════════════════════════════════════════════
   FOOTER STATUS BAR
   ══════════════════════════════════════════════════════════════ */
.app-footer {
    background: var(--sidebar-bg);
    border-top: 1px solid var(--border);
    padding: 10px 0;
    font-size: 12px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.footer-sep {
    color: var(--border-strong);
    user-select: none;
}

.footer-brand {
    font-size: 11px;
    font-weight: 600;
    color: var(--border-strong);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    white-space: nowrap;
}

/* ══════════════════════════════════════════════════════════════
   LOADING OVERLAY
   ══════════════════════════════════════════════════════════════ */
.loading,
.empty-state {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    z-index: 1000;
}

.loading-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(13, 17, 23, 0.87);
}

.loading-panel,
.empty-card {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 36px;
    max-width: 520px;
    width: calc(100% - 64px);
    display: grid;
    gap: 18px;
    box-shadow: var(--shadow-lg);
}

.loading-panel h2 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
}

.loading-panel p {
    font-size: 14px;
    color: var(--text-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    animation: spin 1s linear infinite;
}

.skeleton-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.skeleton-card {
    height: 56px;
    border-radius: var(--radius-sm);
    background: linear-gradient(120deg, #1E2535 30%, #2A3347 50%, #1E2535 70%);
    background-size: 200% 100%;
    animation: shimmer 1.4s ease infinite;
}

.empty-state {
    background: rgba(13, 17, 23, 0.82);
}

/* ══════════════════════════════════════════════════════════════
   REPORT CARDS
   ══════════════════════════════════════════════════════════════ */
:root {
    --grade-wash-a: rgba(34, 197, 94, 0.05);
    --grade-wash-b: rgba(79, 107, 237, 0.05);
    --grade-wash-c: rgba(245, 158, 11, 0.05);
    --grade-wash-d: rgba(239, 68, 68, 0.05);
}

.report-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.75rem 3rem;
    min-height: 340px;
    display: grid;
    grid-template-rows: auto auto auto 1fr auto;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
    position: relative;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    min-width: 0;
}

.report-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.report-card--a {
    background: var(--grade-wash-a), var(--surface);
    border-left: 4px solid var(--success);
}

.report-card--a:hover {
    border-color: var(--success);
    box-shadow: 0 20px 48px rgba(34, 197, 94, 0.12);
}

.report-card--b {
    background: var(--grade-wash-b), var(--surface);
    border-left: 4px solid var(--accent);
}

.report-card--b:hover {
    border-color: var(--accent);
    box-shadow: 0 20px 48px rgba(79, 107, 237, 0.12);
}

.report-card--c {
    background: var(--grade-wash-c), var(--surface);
    border-left: 4px solid var(--warning);
}

.report-card--c:hover {
    border-color: var(--warning);
    box-shadow: 0 20px 48px rgba(245, 158, 11, 0.12);
}

.report-card--d {
    background: var(--grade-wash-d), var(--surface);
    border-left: 4px solid var(--critical);
}

.report-card--d:hover {
    border-color: var(--critical);
    box-shadow: 0 20px 48px rgba(239, 68, 68, 0.12);
}

.report-card__type,
.report-card__label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

.report-card__grade {
    font-size: clamp(5rem, 10vw, 7rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.04em;
    margin-bottom: 0.5rem;
    color: var(--success);
}

.report-card--a .report-card__grade { color: var(--success); }
.report-card--b .report-card__grade { color: var(--accent); }
.report-card--c .report-card__grade { color: var(--warning); }
.report-card--d .report-card__grade { color: var(--critical); }

.report-card__score {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    margin-bottom: 1rem;
}

.report-card__description {
    font-size: 0.875rem;
    font-style: italic;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1.75rem;
    max-width: 38ch;
}

.report-card__metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border);
}

.report-card__chip,
.report-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 11px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
    background: var(--surface-alt);
    border: 1px solid var(--border-strong);
    color: var(--text-secondary);
    white-space: nowrap;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.report-card__chip:hover,
.report-chip:hover {
    border-color: var(--accent);
    color: var(--text);
}

.report-card__chip-value,
.report-chip-value {
    font-weight: 700;
    color: var(--text);
}

.report-card__body {
    display: grid;
    grid-template-rows: auto auto auto 1fr auto;
}

.report-spotlight {
    margin-bottom: 3rem;
}

.report-spotlight .report-card {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto 1fr auto;
    column-gap: 3rem;
    align-items: start;
    padding: 3rem 3.5rem;
    min-height: 220px;
}

.report-spotlight .report-card__grade {
    grid-column: 1;
    grid-row: 1 / 5;
    font-size: clamp(6rem, 12vw, 9rem);
    align-self: center;
    margin-bottom: 0;
}

.report-spotlight .report-card__body {
    grid-column: 2;
}

.report-spotlight .report-card__metrics {
    margin-top: auto;
}

.report-section-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 1.5rem;
}

.report-section-header::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border);
}

.report-section-title {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    white-space: nowrap;
}

.report-tech-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--gap);
    margin-bottom: 3rem;
}

.report-tech-grid .report-card {
    min-height: 0;
    padding: 2rem 2.5rem;
}

.report-tech-grid .report-card__grade {
    font-size: clamp(3.5rem, 6vw, 5rem);
}

.report-empty-state {
    display: grid;
    place-items: center;
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius);
    grid-column: 1 / -1;
    font-size: 14px;
}

/* ── Score Breakdown Panel ──────────────────────────────────── */

.score-breakdown {
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}

.score-breakdown__toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    background: none;
    border: none;
    padding: 0;
    font-family: inherit;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    cursor: pointer;
    text-transform: uppercase;
    transition: color 0.18s ease;
}

.score-breakdown__toggle:hover {
    color: var(--accent);
}

.score-breakdown__toggle:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 3px;
}

.score-breakdown__chevron {
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.score-breakdown__toggle[aria-expanded="true"] .score-breakdown__chevron {
    transform: rotate(180deg);
}

.score-breakdown__panel {
    margin-top: 0.75rem;
    overflow-x: auto;
}

.score-breakdown__panel[hidden] {
    display: none;
}

.score-breakdown__table {
    width: 100%;
    table-layout: auto;
    border-collapse: collapse;
    font-size: 12px;
}

.score-breakdown__table th,
.score-breakdown__table td {
    padding: 5px 8px;
}

.score-breakdown__table th:last-child,
.score-breakdown__table td:last-child {
    text-align: right;
    white-space: nowrap;
    padding-right: 4px;
}

.score-breakdown__table th {
    text-align: left;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-size: 10px;
    color: var(--text-muted);
    padding: 0 6px 6px 0;
    border-bottom: 1px solid var(--border);
}

.score-breakdown__table td {
    padding: 5px 6px 5px 0;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(55, 65, 81, 0.4);
    vertical-align: top;
}

.score-breakdown__table tr:last-child td {
    border-bottom: none;
}

.score-breakdown__dim {
    width: 55%;
}

.score-breakdown__weight {
    color: var(--text-muted);
    font-weight: 400;
}

.score-breakdown__value {
    font-variant-numeric: tabular-nums;
    color: var(--text);
}

.score-breakdown__sub {
    font-variant-numeric: tabular-nums;
    font-weight: 600;
    text-align: right;
    white-space: nowrap;
}

/* Sub-score coloring */
.score-breakdown__sub[data-sub-score="high"] { color: var(--success); }
.score-breakdown__sub[data-sub-score="mid"]  { color: var(--accent); }
.score-breakdown__sub[data-sub-score="low"]  { color: var(--warning); }
.score-breakdown__sub[data-sub-score="crit"] { color: var(--critical); }

.score-breakdown__formula {
    margin-top: 8px;
    font-size: 10px;
    color: var(--text-muted);
    font-family: monospace;
    line-height: 1.5;
    padding: 6px 8px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 4px;
    border: 1px solid var(--border);
    white-space: nowrap;
    overflow-x: auto;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.score-breakdown__tips {
    margin-top: 8px;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.score-breakdown__tips li {
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.55;
    padding: 6px 8px 6px 10px;
    border-left: 2px solid var(--warning);
    background: rgba(245, 158, 11, 0.05);
    border-radius: 0 4px 4px 0;
}

/* ── Report View Sub-tabs ───────────────────────────────────── */

.report-view-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 2rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 4px;
    width: fit-content;
}

.report-view-tab {
    padding: 8px 20px;
    border-radius: 7px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.18s ease, color 0.18s ease;
    white-space: nowrap;
}

.report-view-tab:hover:not(.is-active) {
    background: var(--surface-alt);
    color: var(--text);
}

.report-view-tab.is-active {
    background: var(--surface-alt);
    color: var(--text);
    font-weight: 600;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
}

.report-view-tab:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ── Report View Panels ─────────────────────────────────────── */

.report-view-panel {
    display: block;
}

.report-view-panel[hidden] {
    display: none;
}

/* ── Customer Panel — contextual note ──────────────────────── */

.report-view-context-note {
    margin-top: -1.5rem;
    margin-bottom: 2rem;
    color: var(--text-muted);
    font-size: 12px;
    font-style: italic;
    line-height: 1.6;
    max-width: 60ch;
}

/* ── Staff Panel — internal notice pill ────────────────────── */

.report-internal-notice {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.30);
    color: var(--warning);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 5px 12px;
    border-radius: 999px;
    margin-bottom: 1.5rem;
}

/* ══════════════════════════════════════════════════════════════
   ANIMATIONS
   ══════════════════════════════════════════════════════════════ */
@keyframes spin {
    to { transform: rotate(360deg); }
}

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

/* ══════════════════════════════════════════════════════════════
   REDUCED MOTION
   ══════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 1280px) {
    .kpi-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 1080px) {
    :root {
        --sidebar-width: 220px;
    }

    .kpi-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .chart-grid {
        grid-template-columns: 1fr;
    }

    .chart-full {
        grid-column: span 1;
    }

    #chart-status-pie,
    #chart-category-bar {
        min-height: 320px;
    }

    .report-tech-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .console-layout {
        grid-template-columns: 0 1fr;
    }

    .console-layout.sidebar-collapsed {
        grid-template-columns: 0 1fr;
    }

    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        width: var(--sidebar-width);
        transform: translateX(-100%);
        transition: transform 0.25s ease;
    }

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

    .sidebar--collapsed {
        transform: translateX(-100%);
    }

    .sidebar-mobile-toggle { display: flex; }

    .main-area {
        overflow-x: hidden;
    }

    .header-page-label {
        font-size: 15px;
    }

    select {
        min-width: 180px;
    }

    .kpi-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    .kpi-grid {
        grid-template-columns: 1fr;
    }

    .report-view-tabs {
        flex-wrap: wrap;
        gap: 6px;
    }

    .report-card--company {
        flex-direction: column;
    }

    .header-workspace-group {
        display: none;
    }

    .report-tech-grid {
        grid-template-columns: 1fr;
    }

    .content-container {
        padding: 0 16px;
    }

    .header-inner {
        padding: 0 16px;
        gap: 12px;
    }

    .subheader-inner {
        padding: 0 16px;
    }

    .footer-inner {
        padding: 0 16px;
    }

    .header-actions .button-ghost {
        display: none;
    }

    .tech-share {
        display: none;
    }

    .table-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}