/* CarePays medical theme — CSS custom properties (B9 AC §2).
   Banding chip colors (--cp-band-*) are RESERVED for BandChip.razor only;
   do NOT use them for general UI accents. */

:root {
    /* Brand palette */
    --cp-primary:        #0B3D6B;
    --cp-primary-light:  #1A5FA8;
    --cp-primary-dark:   #072B4D;
    --cp-accent:         #0D7DBF;

    /* Neutrals */
    --cp-bg:             #F5F7FA;
    --cp-surface:        #FFFFFF;
    --cp-border:         #D1D9E0;
    --cp-text:           #1C2B3A;
    --cp-text-muted:     #6B7A8D;
    --cp-text-on-primary:#FFFFFF;

    /* Banding — RESERVED for BandChip.razor */
    --cp-band-green:     #16A34A;
    --cp-band-green-bg:  #DCFCE7;
    --cp-band-amber:     #B45309;
    --cp-band-amber-bg:  #FEF3C7;
    --cp-band-red:       #DC2626;
    --cp-band-red-bg:    #FEE2E2;

    /* Layout */
    --cp-sidebar-w:         220px;
    --cp-sidebar-collapsed: 48px;
    --cp-header-h:          52px;
    --cp-tree-w:            260px;
    --cp-radius:            6px;
    --cp-shadow:            0 1px 4px rgba(11,61,107,0.10);
}

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

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 14px;
    color: var(--cp-text);
    background: var(--cp-bg);
}

a { color: var(--cp-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Scrollbars */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--cp-border); border-radius: 3px; }

/* Shell layout — sidebar | tree | detail */
.cp-shell {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.cp-sidebar {
    width: var(--cp-sidebar-w);
    background: var(--cp-primary);
    color: var(--cp-text-on-primary);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: width 0.2s ease;
    overflow: hidden;
}

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

.cp-sidebar-logo {
    height: var(--cp-header-h);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 12px;
    font-weight: 700;
    font-size: 16px;
    letter-spacing: 0.02em;
    white-space: nowrap;
    overflow: hidden;
    border-bottom: 1px solid rgba(255,255,255,0.12);
}

.cp-sidebar-logo-mark {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    background: var(--cp-accent);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 800;
}

.cp-sidebar-logo-text {
    opacity: 1;
    transition: opacity 0.15s;
}

.cp-sidebar.collapsed .cp-sidebar-logo-text { opacity: 0; pointer-events: none; }

.cp-sidebar-nav {
    flex: 1;
    padding: 8px 0;
    overflow-y: auto;
    overflow-x: hidden;
}

.cp-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    cursor: pointer;
    border-radius: 0;
    white-space: nowrap;
    overflow: hidden;
    color: rgba(255,255,255,0.80);
    transition: background 0.12s;
    text-decoration: none;
    font-size: 13.5px;
}

.cp-nav-item:hover, .cp-nav-item.active {
    background: rgba(255,255,255,0.12);
    color: #fff;
    text-decoration: none;
}

.cp-nav-item.active { background: rgba(255,255,255,0.18); }

.cp-nav-icon { width: 20px; height: 20px; flex-shrink: 0; }
.cp-nav-label { transition: opacity 0.15s; }
.cp-sidebar.collapsed .cp-nav-label { opacity: 0; pointer-events: none; }

.cp-sidebar-pin {
    padding: 8px 12px;
    border-top: 1px solid rgba(255,255,255,0.12);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.60);
    font-size: 12px;
    white-space: nowrap;
    overflow: hidden;
}

.cp-sidebar-pin:hover { color: #fff; }
.cp-sidebar.collapsed .cp-sidebar-pin-label { opacity: 0; }

/* Main content area (tree + list/detail) */
.cp-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.cp-topbar {
    height: var(--cp-header-h);
    background: var(--cp-surface);
    border-bottom: 1px solid var(--cp-border);
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 12px;
    flex-shrink: 0;
    box-shadow: var(--cp-shadow);
}

.cp-topbar-title {
    font-weight: 600;
    font-size: 15px;
    color: var(--cp-primary);
    flex: 1;
}

.cp-user-chip {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--cp-text-muted);
}

/* Content pane */
.cp-content {
    flex: 1;
    display: flex;
    overflow: hidden;
}

/* Tree pane */
.cp-tree-pane {
    width: var(--cp-tree-w);
    flex-shrink: 0;
    background: var(--cp-surface);
    border-right: 1px solid var(--cp-border);
    overflow-y: auto;
    padding: 8px 0;
}

.cp-tree-section {
    padding: 4px 0;
}

.cp-tree-section-header {
    padding: 6px 12px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--cp-text-muted);
}

.cp-tree-node {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px 6px 20px;
    cursor: pointer;
    font-size: 13px;
    color: var(--cp-text);
    border-left: 2px solid transparent;
    transition: background 0.10s;
}

.cp-tree-node:hover { background: var(--cp-bg); }

.cp-tree-node.selected {
    background: #E8F0FA;
    border-left-color: var(--cp-primary-light);
    color: var(--cp-primary);
    font-weight: 500;
}

.cp-tree-node.level-2 { padding-left: 32px; }
.cp-tree-node.level-3 { padding-left: 44px; }

/* Detail pane */
.cp-detail-pane {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: var(--cp-bg);
}

/* Cards */
.cp-card {
    background: var(--cp-surface);
    border: 1px solid var(--cp-border);
    border-radius: var(--cp-radius);
    padding: 16px;
    margin-bottom: 16px;
    box-shadow: var(--cp-shadow);
}

.cp-card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--cp-primary);
    margin: 0 0 12px 0;
}

/* Tables */
.cp-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.cp-table th {
    text-align: left;
    padding: 8px 12px;
    border-bottom: 2px solid var(--cp-border);
    font-weight: 600;
    color: var(--cp-text-muted);
    white-space: nowrap;
}

.cp-table td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--cp-border);
    vertical-align: middle;
}

.cp-table tr:last-child td { border-bottom: none; }
.cp-table tr:hover td { background: var(--cp-bg); }

/* Forms */
.cp-form-row {
    margin-bottom: 14px;
}

.cp-form-row label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--cp-text-muted);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.cp-input, .cp-select {
    width: 100%;
    padding: 7px 10px;
    border: 1px solid var(--cp-border);
    border-radius: var(--cp-radius);
    font-size: 14px;
    color: var(--cp-text);
    background: var(--cp-surface);
    transition: border-color 0.12s;
}

.cp-input:focus, .cp-select:focus {
    outline: none;
    border-color: var(--cp-accent);
    box-shadow: 0 0 0 2px rgba(13,125,191,0.15);
}

/* Buttons */
.cp-btn {
    padding: 7px 16px;
    border-radius: var(--cp-radius);
    font-size: 13.5px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: background 0.12s, opacity 0.12s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.cp-btn-primary {
    background: var(--cp-primary-light);
    color: #fff;
}
.cp-btn-primary:hover { background: var(--cp-primary); }

.cp-btn-outline {
    background: transparent;
    color: var(--cp-primary-light);
    border: 1px solid var(--cp-primary-light);
}
.cp-btn-outline:hover { background: rgba(26,95,168,0.06); }

.cp-btn-danger {
    background: var(--cp-band-red);
    color: #fff;
}
.cp-btn-danger:hover { opacity: 0.88; }

.cp-btn:disabled { opacity: 0.50; cursor: not-allowed; }

/* Band chips — ONLY use these CSS classes inside BandChip.razor */
.cp-band-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.cp-band-chip.green { color: var(--cp-band-green); background: var(--cp-band-green-bg); }
.cp-band-chip.amber { color: var(--cp-band-amber); background: var(--cp-band-amber-bg); }
.cp-band-chip.red   { color: var(--cp-band-red);   background: var(--cp-band-red-bg);   }

/* Alerts */
.cp-alert {
    padding: 10px 14px;
    border-radius: var(--cp-radius);
    font-size: 13px;
    margin-bottom: 12px;
}
.cp-alert-error   { background: var(--cp-band-red-bg);   color: var(--cp-band-red);   border: 1px solid #FCA5A5; }
.cp-alert-success { background: var(--cp-band-green-bg); color: var(--cp-band-green); border: 1px solid #86EFAC; }
.cp-alert-info    { background: #EFF6FF;                color: #1D4ED8;              border: 1px solid #BFDBFE; }

/* File upload drop zone */
.cp-drop-zone {
    border: 2px dashed var(--cp-border);
    border-radius: var(--cp-radius);
    padding: 32px 24px;
    text-align: center;
    color: var(--cp-text-muted);
    cursor: pointer;
    transition: border-color 0.12s, background 0.12s;
}
.cp-drop-zone:hover, .cp-drop-zone.drag-over {
    border-color: var(--cp-accent);
    background: rgba(13,125,191,0.04);
}

/* ── IA chart kit (CAREPAYS-0321 / A7 §C3) ─────────────────────────────────
   Banding palette helpers below use the currentColor pattern and are RESERVED
   to banding visuals only — BandChip + this chart kit — per A4 §4 / A7 §2.3. */
.cp-band-green { color: var(--cp-band-green); }
.cp-band-amber { color: var(--cp-band-amber); }
.cp-band-red   { color: var(--cp-band-red); }

/* KPI cards */
.cp-kpi-row { display: flex; flex-wrap: wrap; gap: 12px; }
.cp-kpi {
    flex: 1 1 150px; min-width: 150px;
    background: #fff;
    border: 1px solid var(--cp-border);
    border-left: 3px solid var(--cp-border);
    border-radius: var(--cp-radius);
    padding: 12px 14px;
}
.cp-kpi-label { font-size: 10.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--cp-text-muted); }
.cp-kpi-value { font-size: 22px; font-weight: 700; color: var(--cp-primary); margin-top: 2px; font-variant-numeric: tabular-nums; }
.cp-kpi-glyph { margin-right: 4px; }
.cp-kpi-sub { font-size: 11px; color: var(--cp-text-muted); margin-top: 2px; }
.cp-kpi-primary { border-left-color: var(--cp-primary); }
.cp-kpi-green { border-left-color: var(--cp-band-green); }
.cp-kpi-green .cp-kpi-value { color: var(--cp-band-green); }
.cp-kpi-amber { border-left-color: var(--cp-band-amber); }
.cp-kpi-amber .cp-kpi-value { color: var(--cp-band-amber); }
.cp-kpi-red { border-left-color: var(--cp-band-red); }
.cp-kpi-red .cp-kpi-value { color: var(--cp-band-red); }

/* Band-mix stacked bar */
.cp-bandbar-track { display: flex; height: 18px; border-radius: 9px; overflow: hidden; background: var(--cp-border); }
.cp-bandbar-seg { background: currentColor; height: 100%; }
.cp-bandbar-empty { color: var(--cp-text-muted); font-size: 12px; padding: 6px 0; }
.cp-bandbar-legend { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; font-size: 12px; }
.cp-bandbar-key { white-space: nowrap; font-weight: 600; }

/* Band-mix donut */
.cp-donut-wrap { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.cp-donut-track { stroke: var(--cp-border); }
.cp-donut-center { font-size: 24px; font-weight: 700; fill: var(--cp-primary); }
.cp-donut-sub { font-size: 8px; fill: var(--cp-text-muted); text-transform: uppercase; letter-spacing: .08em; }
.cp-donut-legend { display: flex; flex-direction: column; gap: 6px; }
.cp-donut-key { display: flex; align-items: center; gap: 6px; font-size: 13px; }
.cp-donut-key strong { font-variant-numeric: tabular-nums; }
.cp-donut-empty { color: var(--cp-text-muted); font-size: 12px; }

/* CARC denial Pareto */
.cp-pareto { width: 100%; }
.cp-pareto-empty { color: var(--cp-band-green); font-size: 13px; font-weight: 600; padding: 10px 0; }
.cp-pareto-code { font-size: 11px; fill: var(--cp-primary); font-weight: 600; font-variant-numeric: tabular-nums; }
.cp-pareto-val  { font-size: 11px; fill: var(--cp-text-muted); font-variant-numeric: tabular-nums; }
.cp-pareto-grid { stroke: var(--cp-border); stroke-dasharray: 3 3; }
.cp-pareto-cum { stroke: var(--cp-primary); stroke-width: 1.5; }
.cp-pareto-cum-dot { fill: var(--cp-primary); }
.cp-pareto-note { font-size: 11px; color: var(--cp-text-muted); margin: 6px 0 0; }

/* Recovery estimate card */
.cp-recovery { border: 1px solid var(--cp-border); border-top: 3px solid var(--cp-primary); border-radius: var(--cp-radius); padding: 14px 16px; }
.cp-recovery-label { font-size: 10.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--cp-text-muted); }
.cp-recovery-value { font-size: 30px; font-weight: 800; color: var(--cp-primary); line-height: 1.1; font-variant-numeric: tabular-nums; }
.cp-recovery-range { font-size: 13px; color: var(--cp-text-muted); margin-top: 2px; }
.cp-recovery-track { stroke: var(--cp-border); stroke-width: 3; stroke-linecap: round; }
.cp-recovery-marker { fill: var(--cp-accent); }
.cp-recovery-tick { font-size: 9px; fill: var(--cp-text-muted); }
.cp-recovery-context { font-size: 12px; color: var(--cp-text-muted); }
.cp-recovery-foot { font-size: 11px; color: var(--cp-text-muted); margin-top: 8px; cursor: help; }

/* Value-proposition panel */
.cp-valueprop-title { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--cp-text-muted); margin-bottom: 8px; }
.cp-valueprop-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.cp-valueprop-item { border-left: 3px solid var(--cp-border); padding: 6px 10px; background: #F8FAFC; border-radius: 0 6px 6px 0; }
.cp-valueprop-item.cp-tone-opportunity { border-left-color: var(--cp-accent); }
.cp-valueprop-item.cp-tone-caution { border-left-color: var(--cp-primary-light); }
.cp-valueprop-head { display: block; font-weight: 600; font-size: 13px; color: var(--cp-primary); }
.cp-valueprop-detail { display: block; font-size: 12px; color: var(--cp-text-muted); }

/* Monospace EDI viewer */
.cp-edi-viewer {
    background: #1E2A35;
    color: #A8C4D8;
    font-family: "Consolas", "Courier New", monospace;
    font-size: 12px;
    line-height: 1.5;
    padding: 14px 16px;
    border-radius: var(--cp-radius);
    overflow: auto;
    max-height: 480px;
    white-space: pre;
}

/* Auth page */
.cp-auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--cp-primary-dark);
}

.cp-auth-card {
    background: var(--cp-surface);
    border-radius: 10px;
    padding: 36px 40px;
    width: 360px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.24);
}

.cp-auth-logo {
    font-size: 22px;
    font-weight: 800;
    color: var(--cp-primary);
    margin-bottom: 24px;
    letter-spacing: 0.01em;
}

/* Loading / empty states */
.cp-loading { color: var(--cp-text-muted); padding: 32px; text-align: center; font-size: 13px; }
.cp-empty   { color: var(--cp-text-muted); padding: 32px; text-align: center; font-size: 13px; }

/* Mobile — hide tree pane, collapse sidebar below 768px */
@media (max-width: 767px) {
    .cp-sidebar          { position: fixed; z-index: 200; height: 100vh; width: var(--cp-sidebar-w); }
    .cp-sidebar.collapsed{ width: var(--cp-sidebar-collapsed); }
    .cp-tree-pane        { display: none; }
    .cp-detail-pane      { padding: 12px; }
}

/* Utilities */
.cp-mt-sm  { margin-top: 8px; }
.cp-mt-md  { margin-top: 16px; }
.cp-flex   { display: flex; }
.cp-gap-sm { gap: 8px; }
.cp-muted  { color: var(--cp-text-muted); }
.cp-mono   { font-family: "Consolas", monospace; }
.cp-right  { text-align: right; }
.cp-truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cp-bold     { font-weight: 700; }

/* Confidence badge (A7 C4 worklist) */
.cp-confidence { display: inline-block; font-size: 11px; font-weight: 600; padding: 1px 6px; border-radius: 10px; }
.cp-confidence-high   { background: #D1FAE5; color: #065F46; }
.cp-confidence-medium { background: #FEF3C7; color: #92400E; }
.cp-confidence-low    { background: #FEE2E2; color: #991B1B; }