/* ═══════════════════════════════════════════════════════════
   McKinsey-grade Design System — Shared Components
   Navy #0a1628 · Gold #b8944d · Inter + Manrope
   Apply via .mk-* classes; no per-page duplication
   ═══════════════════════════════════════════════════════════ */

:root {
    --mk-navy:       #0a1628;
    --mk-navy-2:     #1e3a5f;
    --mk-navy-dk:    #051024;
    --mk-indigo:     #4338ca;
    --mk-indigo-lt:  #818cf8;
    --mk-gold:       #b8944d;
    --mk-gold-lite:  #d4b876;
    --mk-gold-dim:   #8a6f3a;
    --mk-cream:      #faf8f3;
    --mk-ink:        #0f172a;
    --mk-gray-900:   #0f172a;
    --mk-gray-700:   #334155;
    --mk-gray-500:   #64748b;
    --mk-gray-400:   #94a3b8;
    --mk-gray-200:   #e2e8f0;
    --mk-gray-100:   #f1f5f9;
    --mk-gray-50:    #f8fafc;
    --mk-success:    #10b981;
    --mk-success-bg: #d1fae5;
    --mk-warn:       #f59e0b;
    --mk-warn-bg:    #fef3c7;
    --mk-danger:     #ef4444;
    --mk-danger-bg:  #fee2e2;
    --mk-info:       #3b82f6;
    --mk-info-bg:    #dbeafe;
}

/* Scope to prevent leaking to admin / public site which have own systems */
.mk-scope,
body .mk-hero, body .mk-kpi-grid, body .mk-panel, body .mk-table,
body .mk-chip, body .mk-btn-gold, body .mk-btn-ghost, body .mk-empty,
body .mk-section-head, body .mk-bar-wrap {
    font-family: 'Inter', 'Segoe UI', 'Noto Sans TC', -apple-system, sans-serif;
}

/* ─── HERO (Navy→Indigo gradient header) ─── */
.mk-hero {
    background: linear-gradient(135deg, var(--mk-navy) 0%, var(--mk-navy-2) 40%, #312e81 70%, var(--mk-indigo) 100%);
    border-radius: 16px;
    padding: 26px 32px;
    color: #fff;
    position: relative;
    overflow: hidden;
    margin-bottom: 22px;
}
.mk-hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -8%;
    width: 380px; height: 380px;
    background: radial-gradient(circle, rgba(184,148,77,.18) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.mk-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: 12%;
    width: 280px; height: 280px;
    background: radial-gradient(circle, rgba(99,102,241,.14) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.mk-hero-inner { position: relative; z-index: 2; display: flex; justify-content: space-between; align-items: center; gap: 18px; flex-wrap: wrap; }
.mk-hero .eyebrow {
    display: inline-block;
    color: var(--mk-gold-lite);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 4px;
    margin-bottom: 6px;
}
.mk-hero h2 {
    color: #fff;
    font-size: 26px;
    font-weight: 800;
    margin: 0;
    letter-spacing: -0.5px;
    font-family: 'Manrope', 'Inter', sans-serif;
}
.mk-hero h2 small {
    display: block;
    font-size: 13.5px;
    font-weight: 400;
    color: #c7d2fe;
    margin-top: 5px;
    letter-spacing: 0;
}
.mk-hero-actions { display: flex; gap: 8px; flex-shrink: 0; }

/* ─── KPI STRIP (4-col cards with colored top bar) ─── */
.mk-kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 22px;
}
@media (max-width: 1100px) { .mk-kpi-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .mk-kpi-grid { grid-template-columns: 1fr; } }
.mk-kpi {
    background: #fff;
    border: 1px solid var(--mk-gray-200);
    border-radius: 14px;
    padding: 20px;
    position: relative;
    overflow: hidden;
    transition: transform .2s, box-shadow .2s;
}
.mk-kpi:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 26px rgba(0,0,0,.06);
}
.mk-kpi::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--mk-accent, var(--mk-indigo));
}
.mk-kpi-lab {
    font-size: 12px;
    color: var(--mk-gray-500);
    font-weight: 600;
    letter-spacing: .04em;
}
.mk-kpi-val {
    font-size: 28px;
    font-weight: 800;
    color: var(--mk-ink);
    margin-top: 4px;
    letter-spacing: -.5px;
    font-variant-numeric: tabular-nums;
    font-family: 'Manrope', 'Inter', sans-serif;
    line-height: 1.1;
}
.mk-kpi-val .unit {
    font-size: 14px;
    font-weight: 500;
    color: var(--mk-gray-400);
    margin-left: 2px;
}
.mk-kpi-sub {
    font-size: 11.5px;
    color: var(--mk-gray-400);
    margin-top: 5px;
}
.mk-trend-up   { color: #059669; font-weight: 700; }
.mk-trend-down { color: #dc2626; font-weight: 700; }
.mk-trend-flat { color: var(--mk-gray-400); font-weight: 600; }

/* ─── PANEL (white card) ─── */
.mk-panel {
    background: #fff;
    border: 1px solid var(--mk-gray-200);
    border-radius: 14px;
    padding: 22px;
    margin-bottom: 18px;
    box-shadow: 0 1px 2px rgba(0,0,0,.02);
}
.mk-panel-compact { padding: 16px 18px; }
.mk-section-head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 16px; }
.mk-section-head h3 {
    font-size: 15px;
    font-weight: 800;
    color: var(--mk-ink);
    margin: 0;
    letter-spacing: -.2px;
}
.mk-section-head h3 small {
    font-weight: 400;
    color: var(--mk-gray-400);
    font-size: 12px;
    margin-left: 10px;
    letter-spacing: 0;
}
.mk-section-head::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--mk-gold) 0%, transparent 80%);
    opacity: .55;
}
.mk-section-head .mk-eyebrow {
    font-size: 10.5px;
    letter-spacing: 4px;
    font-weight: 700;
    color: var(--mk-gold);
}

/* ─── TABLE ─── */
.mk-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 13px;
}
.mk-table thead th {
    background: var(--mk-gray-50);
    color: var(--mk-gray-700);
    font-weight: 700;
    padding: 11px 14px;
    text-align: left;
    font-size: 11.5px;
    letter-spacing: .04em;
    border-bottom: 2px solid var(--mk-gray-200);
    text-transform: uppercase;
    white-space: nowrap;
}
.mk-table tbody td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--mk-gray-100);
    vertical-align: middle;
    color: var(--mk-gray-700);
}
.mk-table tbody tr:hover td { background: #fefcf7; }
.mk-table tbody tr:last-child td { border-bottom: 0; }
.mk-table .num { font-variant-numeric: tabular-nums; font-weight: 700; color: var(--mk-ink); text-align: right; }
.mk-table .neg { color: #dc2626; }
.mk-table .pos { color: #059669; }
.mk-table .mk-code {
    font-family: 'JetBrains Mono', 'Menlo', 'Consolas', monospace;
    color: var(--mk-indigo);
    font-size: 11.5px;
    font-weight: 600;
    background: #eef2ff;
    padding: 2px 7px;
    border-radius: 5px;
    display: inline-block;
}

/* ─── CHIP / BADGE ─── */
.mk-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .02em;
    white-space: nowrap;
}
.mk-chip-navy    { background: var(--mk-navy); color: var(--mk-gold-lite); }
.mk-chip-gold    { background: var(--mk-gold); color: #fff; }
.mk-chip-info    { background: var(--mk-info-bg); color: #1e40af; }
.mk-chip-success { background: var(--mk-success-bg); color: #047857; }
.mk-chip-warn    { background: var(--mk-warn-bg); color: #92400e; }
.mk-chip-danger  { background: var(--mk-danger-bg); color: #991b1b; }
.mk-chip-neutral { background: var(--mk-gray-100); color: var(--mk-gray-700); }

/* ─── BARS (aging / progress) ─── */
.mk-bar-wrap {
    height: 8px;
    background: var(--mk-gray-100);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}
.mk-bar {
    height: 100%;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--mk-indigo), var(--mk-indigo-lt));
    transition: width .3s;
}
.mk-bar-success { background: linear-gradient(90deg, #059669, #34d399); }
.mk-bar-warn    { background: linear-gradient(90deg, #d97706, #fbbf24); }
.mk-bar-danger  { background: linear-gradient(90deg, #dc2626, #f87171); }
.mk-bar-gold    { background: linear-gradient(90deg, var(--mk-gold-dim), var(--mk-gold-lite)); }

/* ─── BUTTONS ─── */
.mk-btn-gold {
    background: linear-gradient(135deg, var(--mk-gold), var(--mk-gold-lite));
    color: #3a2905;
    padding: 10px 22px;
    border-radius: 999px;
    font-weight: 800;
    font-size: 13px;
    text-decoration: none;
    border: none;
    transition: transform .15s, box-shadow .15s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}
.mk-btn-gold:hover { transform: translateY(-1px); box-shadow: 0 10px 24px -6px rgba(184,148,77,.5); color: #3a2905; }
.mk-btn-ghost {
    background: rgba(255,255,255,.08);
    color: #fff;
    padding: 10px 20px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 13px;
    text-decoration: none;
    border: 1px solid rgba(255,255,255,.25);
    backdrop-filter: blur(6px);
    transition: background .15s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}
.mk-btn-ghost:hover { background: rgba(255,255,255,.16); color: #fff; border-color: rgba(255,255,255,.4); }
.mk-btn-primary {
    background: var(--mk-indigo);
    color: #fff;
    padding: 9px 18px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 13px;
    text-decoration: none;
    border: none;
    transition: background .15s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}
.mk-btn-primary:hover { background: #3730a3; color: #fff; }
.mk-btn-outline {
    background: #fff;
    color: var(--mk-gray-700);
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 12.5px;
    text-decoration: none;
    border: 1px solid var(--mk-gray-200);
    transition: all .15s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}
.mk-btn-outline:hover { border-color: var(--mk-indigo); color: var(--mk-indigo); }
.mk-btn-sm { padding: 5px 12px; font-size: 11.5px; }

/* ─── EMPTY STATE ─── */
.mk-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--mk-gray-400);
}
.mk-empty .icon {
    font-size: 56px;
    color: var(--mk-gold-lite);
    line-height: 1;
    margin-bottom: 16px;
}
.mk-empty h4 {
    color: var(--mk-ink);
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 8px;
}
.mk-empty p { color: var(--mk-gray-500); font-size: 13px; margin: 0; }

/* ─── ALERT BAND ─── */
.mk-alert {
    padding: 12px 16px;
    border-radius: 10px;
    border-left: 4px solid;
    margin-bottom: 14px;
    font-size: 13px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.mk-alert-info    { background: linear-gradient(135deg, #eff6ff, #fff); border-color: var(--mk-info); color: #1e3a8a; }
.mk-alert-warn    { background: linear-gradient(135deg, #fffbeb, #fff); border-color: var(--mk-warn); color: #78350f; }
.mk-alert-danger  { background: linear-gradient(135deg, #fef2f2, #fff); border-color: var(--mk-danger); color: #7f1d1d; }
.mk-alert-success { background: linear-gradient(135deg, #ecfdf5, #fff); border-color: var(--mk-success); color: #064e3b; }

/* ─── TABS ─── */
.mk-tabs {
    display: flex;
    gap: 4px;
    padding: 4px;
    background: var(--mk-gray-100);
    border-radius: 10px;
    margin-bottom: 18px;
}
.mk-tab {
    flex: 1;
    padding: 9px 14px;
    background: transparent;
    border: none;
    border-radius: 8px;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--mk-gray-500);
    cursor: pointer;
    transition: all .15s;
}
.mk-tab:hover { color: var(--mk-gray-700); background: rgba(255,255,255,.5); }
.mk-tab.active { background: var(--mk-navy); color: var(--mk-gold-lite); box-shadow: 0 2px 8px rgba(10,22,40,.2); }

/* ─── GRID ─── */
.mk-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.mk-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.mk-grid-1-2 { display: grid; grid-template-columns: 1fr 2fr; gap: 18px; }
.mk-grid-2-1 { display: grid; grid-template-columns: 2fr 1fr; gap: 18px; }
@media (max-width: 900px) {
    .mk-grid-2, .mk-grid-3, .mk-grid-1-2, .mk-grid-2-1 { grid-template-columns: 1fr; }
}

/* ─── CHART WRAPPERS ─── */
.mk-chart { height: 280px; position: relative; margin-top: 12px; }
.mk-chart-sm { height: 200px; }
.mk-chart-lg { height: 360px; }

/* ─── TYPOGRAPHY HELPERS ─── */
.mk-eyebrow {
    font-size: 10.5px;
    letter-spacing: 4px;
    font-weight: 700;
    color: var(--mk-gold);
    text-transform: uppercase;
}
.mk-number { font-variant-numeric: tabular-nums; font-weight: 700; color: var(--mk-ink); }
.mk-number-lg { font-size: 22px; font-weight: 800; letter-spacing: -.4px; }
.mk-muted { color: var(--mk-gray-400); }

/* ─── FORM CONTROLS (McKinsey styled) ─── */
.mk-field { margin-bottom: 14px; }
.mk-field label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--mk-gray-700);
    margin-bottom: 5px;
    letter-spacing: .02em;
}
.mk-field input, .mk-field select, .mk-field textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--mk-gray-200);
    border-radius: 8px;
    font-size: 13px;
    color: var(--mk-ink);
    background: #fff;
    transition: border-color .15s, box-shadow .15s;
}
.mk-field input:focus, .mk-field select:focus, .mk-field textarea:focus {
    outline: none;
    border-color: var(--mk-indigo);
    box-shadow: 0 0 0 3px rgba(67,56,202,.1);
}
.mk-field .hint { font-size: 11px; color: var(--mk-gray-400); margin-top: 3px; }

/* ─── LEGACY .kpi-card AUTO-UPGRADE ─── */
/* 讓現有 Index 頁面的 .kpi-card 自動升級成 McKinsey 風格 */
body .kpi-card {
    border: 1px solid var(--mk-gray-200) !important;
    border-top: 3px solid var(--mk-indigo) !important;
    border-radius: 14px !important;
    box-shadow: 0 1px 2px rgba(0,0,0,.02) !important;
    overflow: hidden;
    transition: transform .2s, box-shadow .2s;
}
body .kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 26px rgba(0,0,0,.06) !important;
}
body .kpi-card.border-blue   { border-top-color: var(--mk-indigo) !important; }
body .kpi-card.border-green  { border-top-color: var(--mk-success) !important; }
body .kpi-card.border-orange { border-top-color: var(--mk-warn) !important; }
body .kpi-card.border-red    { border-top-color: var(--mk-danger) !important; }
body .kpi-card.border-purple { border-top-color: #8b5cf6 !important; }
body .kpi-card .kpi-value {
    font-family: 'Manrope', 'Inter', sans-serif;
    font-weight: 800 !important;
    font-variant-numeric: tabular-nums;
    letter-spacing: -.5px;
    color: var(--mk-ink);
    font-size: 1.6rem !important;
}
body .kpi-card .kpi-value.text-primary { color: var(--mk-indigo) !important; }
body .kpi-card .kpi-value.text-success { color: var(--mk-success) !important; }
body .kpi-card .kpi-value.text-warning { color: var(--mk-warn) !important; }
body .kpi-card .kpi-value.text-danger  { color: var(--mk-danger) !important; }
body .kpi-card .kpi-label {
    font-size: 11.5px !important;
    color: var(--mk-gray-500) !important;
    font-weight: 600;
    letter-spacing: .03em;
    text-transform: uppercase;
}

/* 一般 bootstrap 表格升級 */
body .table.table-hover thead th,
body .table-striped thead th {
    background: var(--mk-gray-50) !important;
    color: var(--mk-gray-700) !important;
    font-weight: 700 !important;
    font-size: 11.5px !important;
    letter-spacing: .04em !important;
    text-transform: uppercase;
    border-bottom: 2px solid var(--mk-gray-200) !important;
}
body .table.table-hover tbody tr:hover td {
    background: #fefcf7 !important;
}

/* 升級 .card 基本卡片 */
body .card {
    border: 1px solid var(--mk-gray-200);
    border-radius: 14px;
    box-shadow: 0 1px 2px rgba(0,0,0,.02);
}
body .card.shadow-sm { box-shadow: 0 1px 2px rgba(0,0,0,.02) !important; }

/* 升級 badge 看起來更精緻 */
body .badge.bg-primary { background: var(--mk-indigo) !important; font-weight: 700; letter-spacing: .02em; }
body .badge.bg-success { background: var(--mk-success) !important; }
body .badge.bg-warning { background: var(--mk-warn) !important; }
body .badge.bg-danger  { background: var(--mk-danger) !important; }
body .badge.bg-info    { background: var(--mk-info) !important; }

/* 頁面 h4 header 統一字級 */
body .d-flex.justify-content-between.align-items-center.mb-3 > h4 {
    font-size: 20px;
    font-weight: 800;
    color: var(--mk-ink);
    letter-spacing: -.3px;
}
body .d-flex.justify-content-between.align-items-center.mb-3 > h4 i {
    color: var(--mk-gold);
    margin-right: 6px;
}

/* btn-primary 在 index 頁面 */
body .btn.btn-primary {
    background: var(--mk-indigo);
    border-color: var(--mk-indigo);
    font-weight: 700;
    letter-spacing: .02em;
    padding: 8px 16px;
    border-radius: 8px;
}
body .btn.btn-primary:hover {
    background: #3730a3;
    border-color: #3730a3;
}

/* ─── RUBIK / DATA BLOCK ─── */
.mk-statbar {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    padding: 14px 18px;
    background: var(--mk-cream);
    border: 1px dashed var(--mk-gold);
    border-radius: 10px;
    margin-bottom: 18px;
}
.mk-statbar .item { min-width: 100px; }
.mk-statbar .item .lab { font-size: 10.5px; color: var(--mk-gold-dim); font-weight: 700; letter-spacing: 2px; }
.mk-statbar .item .val { font-size: 18px; font-weight: 800; color: var(--mk-navy); font-variant-numeric: tabular-nums; }