/* =====================================================================
   YOUTUBE SPIKE · Insight Lab
   Futuristic dark · neon-cyan / magenta / lime
===================================================================== */
:root {
    --bg-0: #05060c;
    --bg-1: #0a0d1a;
    --bg-2: #0e1326;
    --panel: rgba(18, 22, 40, .55);
    --panel-strong: rgba(22, 27, 48, .78);
    --line: rgba(120, 150, 220, .13);
    --line-strong: rgba(120, 150, 220, .28);
    --text: #e6ecff;
    --text-dim: #9aa6c7;
    --text-mute: #5b6488;
    --cyan: #00e5ff;
    --cyan-soft: #5ff5ff;
    --magenta: #ff3fa4;
    --violet: #8a5bff;
    --lime: #a3ff5c;
    --amber: #ffc24a;
    --rose: #ff6b81;
    --ice: #69e6ff;
    --grad-1: linear-gradient(135deg, #00e5ff 0%, #8a5bff 60%, #ff3fa4 100%);
    --grad-2: linear-gradient(135deg, #a3ff5c 0%, #00e5ff 100%);
    --shadow-glow: 0 0 32px rgba(0, 229, 255, .18);
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 22px;
    --nav-w: 248px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box
}

html,
body {
    height: 100%
}

body {
    font-family: 'Pretendard', 'Noto Sans KR', -apple-system, Segoe UI, sans-serif;
    background: var(--bg-0);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    background-image:
        radial-gradient(1200px 700px at 80% -10%, rgba(138, 91, 255, .18), transparent 60%),
        radial-gradient(900px 700px at -10% 110%, rgba(0, 229, 255, .13), transparent 60%),
        linear-gradient(180deg, #05060c 0%, #070a18 100%);
}

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

button {
    font-family: inherit
}

/* ---------- background fx ---------- */
.bg-grid {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(120, 150, 220, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(120, 150, 220, .05) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 90%);
}

.bg-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    opacity: .35;
    z-index: 0;
    pointer-events: none;
    animation: float 18s ease-in-out infinite
}

.orb-a {
    width: 520px;
    height: 520px;
    background: #00e5ff;
    top: -160px;
    left: -180px
}

.orb-b {
    width: 480px;
    height: 480px;
    background: #ff3fa4;
    bottom: -180px;
    right: -150px;
    animation-delay: -6s
}

.orb-c {
    width: 380px;
    height: 380px;
    background: #8a5bff;
    top: 35%;
    right: 18%;
    animation-delay: -12s
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1)
    }

    50% {
        transform: translate(40px, -30px) scale(1.08)
    }
}

/* ---------- nav ---------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--nav-w);
    background: linear-gradient(180deg, rgba(10, 13, 26, .92), rgba(8, 10, 20, .92));
    backdrop-filter: blur(18px);
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    z-index: 10;
    padding: 22px 14px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 8px 22px;
    border-bottom: 1px solid var(--line);
    flex-shrink: 0;
}

.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: var(--grad-1);
    color: #06070d;
    font-size: 1.1rem;
    box-shadow: 0 0 24px rgba(0, 229, 255, .45);
}

.brand-title {
    font-weight: 800;
    letter-spacing: 1.5px;
    font-size: .95rem
}

.brand-title span {
    background: var(--grad-1);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent
}

.brand-sub {
    font-size: .62rem;
    color: var(--text-mute);
    letter-spacing: 2px;
    margin-top: 3px
}

.nav-list {
    margin-top: 18px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    /* 메뉴가 화면 높이를 넘으면 이 영역만 스크롤 (하단 메뉴·푸터 잘림 방지).
       flex:1 로 가용 공간을 채우고, min-height:0 이 있어야 flex 컬럼에서
       overflow 가 실제로 동작한다. */
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: rgba(120, 150, 220, .35) transparent;
    /* 스크롤바가 메뉴 글자를 가리지 않도록 여백 + 모멘텀 스크롤 */
    padding-right: 4px;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

.nav-list::-webkit-scrollbar {
    width: 6px;
}

.nav-list::-webkit-scrollbar-thumb {
    background: rgba(120, 150, 220, .35);
    border-radius: 6px;
}

.nav-list::-webkit-scrollbar-thumb:hover {
    background: rgba(120, 150, 220, .55);
}

.nav-list a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: 12px;
    color: var(--text-dim);
    font-size: .92rem;
    font-weight: 500;
    letter-spacing: .2px;
    transition: .2s ease;
}

.nav-list a i {
    width: 18px;
    text-align: center;
    font-size: .95rem;
    opacity: .85
}

.nav-list a:hover {
    color: #fff;
    background: rgba(120, 150, 220, .07)
}

.nav-list a.active {
    color: #06070d;
    font-weight: 700;
    background: var(--grad-1);
    box-shadow: 0 8px 28px rgba(0, 229, 255, .35);
}

.nav-foot {
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid var(--line);
    flex-shrink: 0;
}

.user-chip {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    margin-bottom: 10px;
    border-radius: 10px;
    background: rgba(255, 255, 255, .04);
    border: 1px solid var(--line);
    font-size: .78rem;
    color: var(--text);
}

.user-chip i.fa-user-circle {
    font-size: 1.05rem;
    color: var(--accent, #00e5ff);
}

.user-chip-name {
    flex: 1;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-chip-role {
    font-size: .65rem;
    padding: 2px 6px;
    border-radius: 6px;
    font-weight: 700;
}

.user-chip-role.role-admin {
    background: rgba(239, 68, 68, .18);
    color: #fca5a5;
}

.user-chip-role.role-user {
    background: rgba(99, 102, 241, .18);
    color: #a5b4fc;
}

.user-chip-logout {
    color: var(--text-mute);
    text-decoration: none;
    padding: 2px 4px;
    border-radius: 6px;
}

.user-chip-logout:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, .08);
}

[data-theme="light"] .user-chip {
    background: #fff;
    border-color: #e5e7eb;
    color: #1f2937;
}

[data-theme="light"] .user-chip-role.role-admin {
    background: #fee2e2;
    color: #991b1b;
}

[data-theme="light"] .user-chip-role.role-user {
    background: #e0e7ff;
    color: #3730a3;
}

.btn-collect {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 14px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 700;
    background: var(--grad-2);
    color: #06070d;
    box-shadow: 0 8px 24px rgba(163, 255, 92, .25);
    transition: .2s;
}

.btn-collect:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 32px rgba(163, 255, 92, .4)
}

.btn-collect:disabled {
    opacity: .6;
    cursor: wait
}

.nav-status {
    margin-top: 10px;
    font-size: .72rem;
    color: var(--text-mute);
    text-align: center;
    letter-spacing: .5px
}

/* ---------- shell ---------- */
.shell {
    margin-left: var(--nav-w);
    min-height: 100vh;
    position: relative;
    z-index: 1
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 5;
    height: 64px;
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(180deg, rgba(8, 10, 20, .85), rgba(8, 10, 20, .5) 80%, transparent);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
}

.bread {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: .85rem;
    letter-spacing: 1.4px;
    color: var(--text-dim);
    text-transform: uppercase;
    font-weight: 600
}

.bread .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 12px var(--cyan)
}

.topbar-right {
    display: flex;
    gap: 10px;
    align-items: center
}

.chip {
    font-size: .72rem;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(120, 150, 220, .08);
    border: 1px solid var(--line-strong);
    color: var(--text-dim);
    letter-spacing: .5px;
}

.chip.live {
    color: #a3ff5c;
    border-color: rgba(163, 255, 92, .4);
    display: flex;
    align-items: center;
    gap: 8px
}

.pulse {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #a3ff5c;
    box-shadow: 0 0 12px #a3ff5c;
    animation: pulse 1.6s ease-in-out infinite
}

@keyframes pulse {

    0%,
    100% {
        opacity: .4;
        transform: scale(.7)
    }

    50% {
        opacity: 1;
        transform: scale(1.1)
    }
}

.page {
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 22px;
    max-width: 1600px;
    margin: 0 auto
}

/* ---------- hero ---------- */
.hero {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    padding: 34px 38px;
    background:
        radial-gradient(600px 200px at 90% 20%, rgba(255, 63, 164, .16), transparent 70%),
        radial-gradient(500px 220px at 10% 80%, rgba(0, 229, 255, .18), transparent 70%),
        linear-gradient(135deg, rgba(20, 24, 46, .92), rgba(12, 15, 30, .92));
    border: 1px solid var(--line-strong);
    display: grid;
    grid-template-columns: 1fr 220px;
    gap: 28px;
    align-items: center;
    box-shadow: 0 30px 80px rgba(0, 0, 0, .4);
}

.hero-tag {
    font-size: .72rem;
    letter-spacing: 3px;
    color: var(--cyan-soft);
    font-weight: 700;
    margin-bottom: 14px
}

.hero-title {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -.5px;
    line-height: 1.15;
    background: var(--grad-1);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent
}

.hero-sub {
    margin-top: 8px;
    color: var(--text-dim);
    font-size: .95rem
}

.hero-meta {
    margin-top: 18px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px
}

.hero-meta .chip {
    background: rgba(0, 229, 255, .08);
    border-color: rgba(0, 229, 255, .3);
    color: var(--cyan-soft)
}

.hero-orb {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    justify-self: end;
    background: conic-gradient(from 0deg, #00e5ff, #8a5bff, #ff3fa4, #a3ff5c, #00e5ff);
    filter: blur(.5px);
    animation: spin 14s linear infinite;
    box-shadow: 0 0 60px rgba(138, 91, 255, .5), inset 0 0 40px rgba(0, 0, 0, .6);
    position: relative;
}

.hero-orb::after {
    content: '';
    position: absolute;
    inset: 18px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #0a0d1a, #05060c);
}

@keyframes spin {
    to {
        transform: rotate(360deg)
    }
}

/* ---------- KPI ---------- */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px
}

.kpi {
    position: relative;
    overflow: hidden;
    padding: 18px 18px 12px;
    border-radius: var(--radius);
    background: var(--panel);
    border: 1px solid var(--line);
    backdrop-filter: blur(12px);
    transition: .25s ease;
}

.kpi:hover {
    transform: translateY(-3px);
    border-color: var(--line-strong);
    box-shadow: 0 14px 40px rgba(0, 0, 0, .4)
}

.kpi::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    border-radius: 3px;
    background: var(--cyan);
    box-shadow: 0 0 18px var(--cyan);
}

.kpi[data-tone="violet"]::before {
    background: var(--violet);
    box-shadow: 0 0 18px var(--violet)
}

.kpi[data-tone="lime"]::before {
    background: var(--lime);
    box-shadow: 0 0 18px var(--lime)
}

.kpi[data-tone="rose"]::before {
    background: var(--rose);
    box-shadow: 0 0 18px var(--rose)
}

.kpi[data-tone="amber"]::before {
    background: var(--amber);
    box-shadow: 0 0 18px var(--amber)
}

.kpi[data-tone="ice"]::before {
    background: var(--ice);
    box-shadow: 0 0 18px var(--ice)
}

.kpi-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: .78rem;
    color: var(--text-dim);
    letter-spacing: .6px;
    text-transform: uppercase;
    font-weight: 600
}

.kpi-label i {
    color: var(--cyan-soft)
}

.kpi-value {
    margin-top: 8px;
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -.5px;
    font-family: 'JetBrains Mono', monospace
}

.kpi-spark {
    height: 36px;
    margin-top: 6px
}

/* ---------- card ---------- */
.card {
    position: relative;
    padding: 22px;
    border-radius: var(--radius-lg);
    background: var(--panel);
    backdrop-filter: blur(14px);
    border: 1px solid var(--line);
    box-shadow: 0 18px 50px rgba(0, 0, 0, .32);
}

.card-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 18px;
    flex-wrap: wrap
}

.card-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: .2px
}

.card-title i {
    color: var(--cyan-soft)
}

.card-sub {
    font-size: .78rem;
    color: var(--text-mute);
    margin-top: 4px;
    letter-spacing: .3px
}

.row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px
}

@media (max-width:1100px) {
    .row-2 {
        grid-template-columns: 1fr
    }
}

.chart-wrap {
    position: relative;
    height: 320px
}

.chart-wrap.big {
    height: 420px
}

/* ---------- segmented buttons ---------- */
.seg {
    display: inline-flex;
    background: rgba(120, 150, 220, .06);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 3px;
    gap: 2px;
    flex-wrap: wrap
}

.seg button {
    background: transparent;
    border: none;
    padding: 7px 14px;
    border-radius: 8px;
    cursor: pointer;
    color: var(--text-dim);
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .5px;
    transition: .18s;
}

.seg button:hover {
    color: #fff
}

.seg button.active {
    background: var(--grad-1);
    color: #06070d;
    box-shadow: 0 4px 14px rgba(0, 229, 255, .3)
}

/* ---------- top list ---------- */
.top-list {
    display: flex;
    flex-direction: column;
    gap: 10px
}

.top-item {
    display: grid;
    grid-template-columns: auto 96px 1fr auto;
    gap: 12px;
    align-items: center;
    padding: 10px;
    border-radius: 12px;
    background: rgba(120, 150, 220, .05);
    border: 1px solid var(--line);
    transition: .2s;
    cursor: pointer;
}

.top-item:hover {
    background: rgba(0, 229, 255, .06);
    border-color: rgba(0, 229, 255, .3);
    transform: translateX(2px)
}

.top-rank {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: grid;
    place-items: center;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: .8rem;
    background: rgba(0, 229, 255, .15);
    color: var(--cyan-soft);
}

.top-thumb {
    width: 96px;
    height: 54px;
    border-radius: 8px;
    overflow: hidden;
    background: #0a0d1a;
    flex-shrink: 0
}

.top-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover
}

.top-meta {
    min-width: 0
}

.top-title {
    font-size: .88rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #fff
}

.top-sub {
    font-size: .72rem;
    color: var(--text-mute);
    margin-top: 3px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap
}

.top-sub b {
    color: var(--cyan-soft);
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace
}

.top-delta {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    color: var(--lime);
    font-size: .85rem;
    white-space: nowrap
}

/* ---------- video grid ---------- */
.filters {
    display: flex;
    gap: 8px;
    flex-wrap: wrap
}

.inp {
    background: rgba(120, 150, 220, .07);
    border: 1px solid var(--line);
    color: #fff;
    padding: 8px 14px;
    border-radius: 10px;
    font-size: .85rem;
    outline: none;
    min-width: 160px;
}

.inp:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px rgba(0, 229, 255, .18)
}

select.inp {
    cursor: pointer
}

/* native <select> options - Windows/Chromium uses inherited color which makes white-on-white invisible */
select.inp option {
    background: #0a0d1a;
    color: #e6ecff;
    padding: 6px;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 14px
}

.vc {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    background: var(--panel-strong);
    border: 1px solid var(--line);
    transition: .25s;
    cursor: pointer;
}

.vc:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 229, 255, .45);
    box-shadow: 0 18px 40px rgba(0, 229, 255, .15)
}

.vc.selected {
    border-color: var(--magenta);
    box-shadow: 0 0 0 2px rgba(255, 63, 164, .3), 0 18px 40px rgba(255, 63, 164, .18)
}

.vc-thumb {
    position: relative;
    aspect-ratio: 16/9;
    background: #0a0d1a
}

.vc-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block
}

.vc-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 3px 8px;
    border-radius: 6px;
    background: rgba(0, 0, 0, .7);
    font-size: .68rem;
    font-family: 'JetBrains Mono', monospace;
    color: #fff
}

.vc-short {
    position: absolute;
    top: 8px;
    left: 8px;
    padding: 3px 8px;
    border-radius: 6px;
    background: var(--magenta);
    color: #fff;
    font-size: .66rem;
    font-weight: 700;
    letter-spacing: .5px
}

.vc-body {
    padding: 12px
}

.vc-title {
    font-size: .88rem;
    font-weight: 600;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.4em
}

.vc-stats {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    font-size: .74rem;
    color: var(--text-dim);
    font-family: 'JetBrains Mono', monospace
}

.vc-stats span i {
    color: var(--cyan-soft);
    margin-right: 4px
}

.vc-foot {
    padding: 10px 12px;
    border-top: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: .72rem;
    color: var(--text-mute)
}

.vc-pick {
    background: rgba(0, 229, 255, .12);
    color: var(--cyan-soft);
    border: 1px solid rgba(0, 229, 255, .3);
    padding: 4px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: .7rem;
    font-weight: 600;
}

.vc.selected .vc-pick {
    background: var(--magenta);
    color: #fff;
    border-color: var(--magenta)
}

/* ---------- video hero ---------- */
.video-hero {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 24px;
    align-items: center
}

.vh-thumb {
    border-radius: 14px;
    overflow: hidden;
    aspect-ratio: 16/9;
    background: #0a0d1a
}

.vh-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover
}

.vh-title {
    font-size: 1.6rem;
    font-weight: 800;
    margin-top: 6px;
    line-height: 1.3
}

.vh-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 18px
}

.stat {
    padding: 10px 16px;
    border-radius: 12px;
    background: rgba(120, 150, 220, .06);
    border: 1px solid var(--line);
    min-width: 110px
}

.stat-label {
    font-size: .72rem;
    color: var(--text-mute);
    letter-spacing: .6px;
    text-transform: uppercase
}

.stat-value {
    margin-top: 4px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--cyan-soft);
    font-family: 'JetBrains Mono', monospace
}

.vh-actions {
    margin-top: 20px;
    display: flex;
    gap: 10px
}

.vh-actions .btn-collect {
    width: auto
}

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

/* ---------- heatmap ---------- */
.heatmap {
    display: grid;
    grid-template-columns: 60px repeat(24, 1fr);
    gap: 3px;
    font-size: .6rem;
    color: var(--text-mute)
}

.heat-head,
.heat-row-label {
    padding: 4px;
    text-align: center;
    letter-spacing: .5px
}

.heat-cell {
    aspect-ratio: 1;
    border-radius: 4px;
    background: rgba(120, 150, 220, .06);
    transition: .2s;
    cursor: pointer;
    position: relative
}

.heat-cell:hover {
    outline: 1px solid var(--cyan);
    transform: scale(1.15);
    z-index: 2
}

/* ---------- scrollbar ---------- */
::-webkit-scrollbar {
    width: 10px;
    height: 10px
}

::-webkit-scrollbar-track {
    background: #0a0d1a
}

::-webkit-scrollbar-thumb {
    background: rgba(120, 150, 220, .18);
    border-radius: 6px
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 229, 255, .35)
}

/* ---------- responsive ---------- */
@media (max-width:900px) {
    .nav {
        transform: translateX(-100%);
        transition: transform .28s ease;
        z-index: 60;
    }

    .nav.open {
        transform: translateX(0);
        box-shadow: 0 14px 60px rgba(0, 0, 0, .55);
    }

    .nav-backdrop {
        position: fixed;
        inset: 0;
        background: rgba(4, 6, 13, .58);
        backdrop-filter: blur(2px);
        z-index: 55;
        opacity: 0;
        pointer-events: none;
        transition: opacity .22s ease;
    }

    .nav-backdrop.show {
        opacity: 1;
        pointer-events: auto;
    }

    .shell {
        margin-left: 0
    }

    .nav-toggle {
        display: inline-flex !important;
    }

    .nav-close {
        display: inline-flex !important;
    }

    /* topbar right chip cluster shrinks on mobile to fit hamburger */
    .topbar {
        padding: 0 14px;
    }

    .topbar-right .chip:not(.live) {
        display: none;
    }

    .hero {
        grid-template-columns: 1fr;
        padding: 24px
    }

    .hero-orb {
        display: none
    }
}

/* ---------- hamburger / nav-close (hidden on desktop) ---------- */
.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: rgba(4, 7, 18, .6);
    color: var(--cyan);
    font-size: 16px;
    margin-right: 12px;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.nav-toggle:active {
    background: rgba(0, 229, 255, .15);
}

.nav-close {
    display: none;
    margin-left: auto;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: 1px solid var(--line);
    background: transparent;
    color: var(--text-dim);
    font-size: 14px;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.nav-close:active {
    background: rgba(255, 107, 129, .12);
    color: var(--rose);
}

/* ---------- empty / loading ---------- */
.empty {
    padding: 40px;
    text-align: center;
    color: var(--text-mute);
    font-size: .9rem
}

.empty i {
    display: block;
    font-size: 2rem;
    color: var(--text-mute);
    margin-bottom: 10px;
    opacity: .4
}

/* ---------- settings ---------- */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px
}

@media (max-width:780px) {
    .form-grid {
        grid-template-columns: 1fr
    }
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px
}

.field label {
    font-size: .82rem;
    font-weight: 600;
    color: var(--text);
    display: flex;
    flex-direction: column;
    gap: 4px
}

.field label .hint {
    font-size: .72rem;
    color: var(--text-mute);
    font-weight: 400
}

.field label code {
    font-family: 'JetBrains Mono', monospace;
    font-size: .72rem;
    color: var(--cyan-soft);
    background: rgba(0, 229, 255, .08);
    padding: 1px 6px;
    border-radius: 4px
}

.field .inp {
    width: 100%
}

.field-row {
    display: flex;
    gap: 8px
}

.field-row .inp {
    flex: 1
}

.btn-ghost {
    background: rgba(120, 150, 220, .08);
    border: 1px solid var(--line-strong);
    color: var(--text-dim);
    padding: 8px 14px;
    border-radius: 10px;
    cursor: pointer;
    font-size: .82rem;
    font-weight: 600;
    transition: .2s;
    display: inline-flex;
    align-items: center;
    gap: 8px
}

.btn-ghost:hover {
    color: #fff;
    border-color: var(--cyan);
    background: rgba(0, 229, 255, .08)
}

.field-status {
    font-size: .76rem;
    color: var(--text-mute);
    display: flex;
    align-items: center;
    gap: 6px
}

.field-status code {
    font-family: 'JetBrains Mono', monospace;
    color: var(--cyan-soft)
}

.field-status.ok {
    color: var(--lime)
}

.field-status.warn {
    color: var(--amber)
}

.form-actions {
    grid-column: 1 / -1;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 6px
}

.form-actions .btn-collect {
    width: auto;
    padding: 11px 22px
}

.test-result {
    margin-top: 18px;
    padding: 14px 16px;
    border-radius: 12px;
    background: rgba(120, 150, 220, .05);
    border: 1px solid var(--line);
    color: var(--text-dim);
    font-size: .85rem
}

.test-result.ok {
    border-color: rgba(163, 255, 92, .35);
    background: rgba(163, 255, 92, .05);
    color: var(--lime)
}

.test-result.err {
    border-color: rgba(255, 107, 129, .4);
    background: rgba(255, 107, 129, .06);
    color: var(--rose)
}

.test-card {
    display: flex;
    gap: 14px;
    align-items: center
}

.test-card img {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #0a0d1a
}

.t-title {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px
}

.t-title i {
    color: var(--lime)
}

.t-meta {
    margin-top: 4px;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    font-size: .76rem;
    color: var(--text-dim);
    font-family: 'JetBrains Mono', monospace
}

.t-meta i {
    color: var(--cyan-soft);
    margin-right: 4px
}

/* runs list */
.runs-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 360px;
    overflow-y: auto
}

.run-row {
    display: grid;
    grid-template-columns: 32px 1fr auto;
    gap: 12px;
    align-items: center;
    padding: 8px 12px;
    border-radius: 10px;
    background: rgba(120, 150, 220, .04);
    border: 1px solid var(--line)
}

.run-row.ok .run-status {
    background: rgba(163, 255, 92, .15);
    color: var(--lime)
}

.run-row.err .run-status {
    background: rgba(255, 107, 129, .15);
    color: var(--rose)
}

.run-status {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: grid;
    place-items: center;
    font-size: .8rem
}

.run-time {
    font-size: .82rem;
    color: #fff;
    font-weight: 500
}

.run-detail {
    font-size: .72rem;
    color: var(--text-mute);
    margin-top: 2px
}

.run-id {
    font-family: 'JetBrains Mono', monospace;
    font-size: .72rem;
    color: var(--text-mute)
}

/* help */
.help-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px
}

.help-step {
    display: flex;
    gap: 14px;
    padding: 14px;
    border-radius: 12px;
    background: rgba(120, 150, 220, .04);
    border: 1px solid var(--line)
}

.help-num {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    background: var(--grad-1);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-size: 1.4rem;
    line-height: 1
}

.help-title {
    font-weight: 700;
    color: #fff;
    font-size: .92rem
}

.help-step p {
    margin-top: 4px;
    font-size: .78rem;
    color: var(--text-mute);
    line-height: 1.5
}

.oauth-badge {
    padding: 6px 12px;
    border-radius: 999px;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .4px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--line)
}

.oauth-badge.on {
    color: var(--lime);
    border-color: rgba(163, 255, 92, .45);
    background: rgba(163, 255, 92, .08)
}

.oauth-badge.off {
    color: var(--text-mute);
    background: rgba(120, 150, 220, .05)
}


/* ---- retention toolbar / events ---- */
.ret-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    margin-top: 12px;
    flex-wrap: wrap
}

.ret-help {
    flex: 1;
    min-width: 280px;
    font-size: .78rem;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 8px
}

.ret-help i {
    color: var(--cyan-soft)
}

.ret-help .legend-dot {
    display: inline-block;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    margin: 0 4px 0 10px;
    vertical-align: middle;
    box-shadow: 0 0 8px currentColor
}

.ret-dates {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap
}

.ret-dates label {
    font-size: .75rem;
    color: var(--text-mute);
    display: flex;
    align-items: center;
    gap: 6px
}

.ret-dates input[type=date] {
    padding: 6px 10px;
    color-scheme: dark;
    font-family: 'JetBrains Mono', monospace;
    font-size: .8rem;
    width: 150px
}

.ret-events {
    margin-top: 14px;
    display: flex;
    flex-direction: column;
    gap: 6px
}

.ret-event {
    display: grid;
    grid-template-columns: 24px 90px 1fr 90px;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 10px;
    background: rgba(120, 150, 220, .04);
    border: 1px solid var(--line);
    font-size: .82rem
}

.ret-event.spike {
    border-left: 3px solid var(--lime)
}

.ret-event.drop {
    border-left: 3px solid var(--rose)
}

.ret-event .ev-icon {
    text-align: center
}

.ret-event.spike .ev-icon {
    color: var(--lime)
}

.ret-event.drop .ev-icon {
    color: var(--rose)
}

.ret-event .ev-time {
    font-family: 'JetBrains Mono', monospace;
    color: var(--cyan-soft);
    font-weight: 700
}

.ret-event .ev-text {
    color: var(--text-dim)
}

.ret-event .ev-delta {
    font-family: 'JetBrains Mono', monospace;
    text-align: right;
    font-weight: 700
}

.ret-event.spike .ev-delta {
    color: var(--lime)
}

.ret-event.drop .ev-delta {
    color: var(--rose)
}

.ret-event .ev-tag {
    display: inline-block;
    min-width: 24px;
    padding: 1px 5px;
    border-radius: 5px;
    background: rgba(255, 255, 255, .06);
    color: #fff;
    font-size: .7rem;
    text-align: center;
    margin-right: 6px
}

.ret-event.spike .ev-tag {
    background: rgba(163, 255, 92, .18);
    color: var(--lime)
}

.ret-event.drop .ev-tag {
    background: rgba(255, 107, 129, .18);
    color: var(--rose)
}

/* =====================================================================
   AI Analysis card
===================================================================== */
.ai-card .ai-tag {
    display: inline-block;
    margin-left: 6px;
    padding: 1px 8px;
    border-radius: 999px;
    background: var(--grad-1);
    color: #06070d;
    font-size: .62rem;
    font-weight: 800;
    letter-spacing: 1px;
    vertical-align: middle
}

.btn-ai {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 700;
    font-family: inherit;
    color: #06070d;
    background: var(--grad-1);
    box-shadow: 0 8px 24px rgba(138, 91, 255, .35);
    transition: .2s
}

.btn-ai:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 30px rgba(138, 91, 255, .5)
}

.btn-ai:disabled {
    opacity: .65;
    cursor: wait
}

.ai-formula {
    margin-top: 14px;
    padding: 14px 16px;
    border: 1px dashed var(--line-strong);
    border-radius: var(--radius-sm);
    background: rgba(120, 150, 220, .04)
}

.ai-formula-title {
    font-size: .78rem;
    color: var(--text-dim);
    letter-spacing: 1px;
    margin-bottom: 8px;
    font-weight: 700
}

.ai-formula-body code {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.02rem;
    color: var(--cyan-soft);
    background: transparent;
    padding: 4px 0
}

.ai-formula-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 8px;
    font-size: .78rem;
    color: var(--text-dim)
}

.ai-formula-legend b {
    color: var(--text)
}

.ai-kpis {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 14px
}

.ai-kpi {
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--panel);
    position: relative;
    overflow: hidden
}

.aik-label {
    font-size: .72rem;
    color: var(--text-mute);
    letter-spacing: 1.2px;
    font-weight: 700;
    text-transform: uppercase
}

.aik-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text);
    margin-top: 6px
}

.aik-sub {
    font-size: .7rem;
    color: var(--text-dim);
    margin-top: 2px
}

.aik-sub[data-color="positive"] {
    color: var(--lime)
}

.aik-sub[data-color="mild_positive"] {
    color: var(--ice)
}

.aik-sub[data-color="neutral"] {
    color: var(--text-dim)
}

.aik-sub[data-color="mild_negative"] {
    color: var(--amber)
}

.aik-sub[data-color="negative"] {
    color: var(--rose)
}

.ai-result {
    margin-top: 16px;
    min-height: 80px
}

.ai-empty {
    padding: 28px;
    border: 1px dashed var(--line);
    border-radius: var(--radius-sm);
    color: var(--text-mute);
    text-align: center;
    font-size: .92rem
}

.ai-loading {
    padding: 24px;
    text-align: center;
    color: var(--text-dim)
}

.ai-loading i {
    margin-right: 8px;
    color: var(--cyan)
}

.ai-error {
    padding: 16px 18px;
    border: 1px solid rgba(255, 107, 129, .4);
    background: rgba(255, 107, 129, .08);
    border-radius: var(--radius-sm);
    color: var(--rose);
    font-size: .9rem
}

.ai-error .ai-hint {
    margin-top: 6px;
    font-size: .78rem;
    color: var(--text-dim)
}

.ai-error code {
    background: rgba(120, 150, 220, .1);
    padding: 1px 6px;
    border-radius: 4px;
    color: var(--text)
}

.ai-meta {
    font-size: .76rem;
    color: var(--text-mute);
    margin-bottom: 10px;
    letter-spacing: .5px
}

.ai-meta code {
    background: rgba(120, 150, 220, .1);
    padding: 1px 6px;
    border-radius: 4px;
    color: var(--cyan-soft)
}

.ai-debug {
    margin-top: 12px;
    font-size: .82rem;
    color: var(--text-dim)
}

.ai-debug summary {
    cursor: pointer;
    padding: 6px 0
}

.ai-debug pre {
    background: rgba(0, 0, 0, .25);
    padding: 12px;
    border-radius: 8px;
    overflow: auto;
    max-height: 400px;
    color: var(--text-dim);
    font-size: .78rem
}

.ai-md {
    color: var(--text);
    line-height: 1.7;
    font-size: .94rem
}

.ai-md h2 {
    font-size: 1.05rem;
    margin: 18px 0 8px;
    color: var(--text);
    padding-bottom: 6px;
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    gap: 8px
}

.ai-md h2::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 16px;
    background: var(--grad-1);
    border-radius: 2px
}

.ai-md h3 {
    font-size: .95rem;
    margin: 14px 0 6px;
    color: var(--cyan-soft)
}

.ai-md p {
    margin: 6px 0;
    color: var(--text)
}

.ai-md ul {
    margin: 6px 0 6px 22px;
    color: var(--text)
}

.ai-md li {
    margin: 3px 0
}

.ai-md strong {
    color: var(--text);
    font-weight: 700
}

.ai-md em {
    color: var(--text-dim)
}

.ai-md code {
    background: rgba(120, 150, 220, .12);
    padding: 1px 6px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: .86rem;
    color: var(--cyan-soft)
}

.ai-md pre {
    background: rgba(0, 0, 0, .3);
    padding: 12px;
    border-radius: 8px;
    overflow: auto
}

.md-table {
    width: 100%;
    border-collapse: collapse;
    margin: 10px 0;
    font-size: .88rem;
    background: rgba(120, 150, 220, .04);
    border-radius: 8px;
    overflow: hidden
}

.md-table th,
.md-table td {
    padding: 9px 12px;
    text-align: left;
    border-bottom: 1px solid var(--line);
    color: var(--text)
}

.md-table th {
    background: rgba(120, 150, 220, .10);
    color: var(--text);
    font-weight: 700;
    font-size: .82rem;
    letter-spacing: .5px
}

.md-table tr:last-child td {
    border-bottom: none
}

.md-table tr:hover td {
    background: rgba(120, 150, 220, .05)
}

@media (max-width:900px) {
    .ai-kpis {
        grid-template-columns: repeat(2, 1fr)
    }
}

/* ---------- theme toggle ---------- */
.theme-toggle {
    width: 100%;
    margin-top: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 12px;
    border-radius: 10px;
    cursor: pointer;
    font-family: inherit;
    font-size: .78rem;
    font-weight: 600;
    background: rgba(120, 150, 220, .08);
    color: var(--text-dim);
    border: 1px solid var(--line);
    transition: .2s
}

.theme-toggle:hover {
    color: var(--text);
    background: rgba(120, 150, 220, .14)
}

.theme-toggle i {
    font-size: .85rem
}

/* =====================================================================
   LIGHT THEME — 한국형(클린·부드러운 파스텔·고대비 본문)
===================================================================== */
[data-theme="light"] {
    --bg-0: #f5f7fb;
    --bg-1: #ffffff;
    --bg-2: #eef2fb;
    --panel: rgba(255, 255, 255, .85);
    --panel-strong: rgba(255, 255, 255, .96);
    --line: rgba(60, 80, 140, .10);
    --line-strong: rgba(60, 80, 140, .22);
    --text: #1a2238;
    --text-dim: #4b5772;
    --text-mute: #7a86a3;
    --cyan: #2563eb;
    --cyan-soft: #1d4ed8;
    --magenta: #db2777;
    --violet: #7c3aed;
    --lime: #16a34a;
    --amber: #d97706;
    --rose: #e11d48;
    --ice: #0ea5e9;
    --grad-1: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 55%, #ec4899 100%);
    --grad-2: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
    --shadow-glow: 0 8px 30px rgba(59, 130, 246, .18);
}

[data-theme="light"] body {
    color: var(--text);
    background: var(--bg-0);
    background-image:
        radial-gradient(1100px 700px at 85% -15%, rgba(139, 92, 246, .10), transparent 60%),
        radial-gradient(900px 700px at -10% 110%, rgba(59, 130, 246, .10), transparent 60%),
        linear-gradient(180deg, #f5f7fb 0%, #ffffff 100%);
}

[data-theme="light"] .bg-grid {
    background-image:
        linear-gradient(rgba(60, 80, 140, .06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(60, 80, 140, .06) 1px, transparent 1px);
}

[data-theme="light"] .bg-orb {
    opacity: .18;
    filter: blur(90px)
}

[data-theme="light"] .orb-a {
    background: #60a5fa
}

[data-theme="light"] .orb-b {
    background: #f472b6
}

[data-theme="light"] .orb-c {
    background: #a78bfa
}

[data-theme="light"] .nav {
    background: linear-gradient(180deg, rgba(255, 255, 255, .92), rgba(245, 247, 251, .92));
    border-right: 1px solid var(--line)
}

[data-theme="light"] .nav-list a {
    color: var(--text-dim)
}

[data-theme="light"] .nav-list a:hover {
    color: var(--text);
    background: rgba(60, 80, 140, .06)
}

[data-theme="light"] .nav-list a.active {
    color: #fff;
    background: var(--grad-1);
    box-shadow: 0 8px 22px rgba(59, 130, 246, .32)
}

[data-theme="light"] .brand-mark {
    color: #fff;
    box-shadow: 0 6px 20px rgba(59, 130, 246, .30)
}

[data-theme="light"] .nav-status {
    color: var(--text-mute)
}

[data-theme="light"] .topbar {
    background: linear-gradient(180deg, rgba(255, 255, 255, .92), rgba(255, 255, 255, .5) 80%, transparent)
}

/* All existing card / kpi / pill components automatically inherit the
   redefined CSS variables — no per-rule overrides required. */
[data-theme="light"] .card,
[data-theme="light"] .retn-card,
[data-theme="light"] .ai-kpi,
[data-theme="light"] .pill,
[data-theme="light"] .chip {
    background: var(--panel);
    border: 1px solid var(--line);
    box-shadow: 0 2px 12px rgba(60, 80, 140, .06)
}

[data-theme="light"] .ai-formula {
    background: #fafbff;
    border-color: rgba(60, 80, 140, .18)
}

[data-theme="light"] .ai-formula-body code {
    color: var(--cyan)
}

[data-theme="light"] .ai-md code,
[data-theme="light"] .ai-meta code,
[data-theme="light"] .ai-error code {
    background: #eef2fb;
    color: var(--cyan)
}

[data-theme="light"] .ai-md pre,
[data-theme="light"] .ai-debug pre {
    background: #f1f4fb;
    color: var(--text-dim);
    border: 1px solid var(--line)
}

[data-theme="light"] .md-table {
    background: #fafbff
}

[data-theme="light"] .md-table th {
    background: #eef2fb;
    color: var(--text)
}

[data-theme="light"] .md-table tr:hover td {
    background: #f3f6fc
}

[data-theme="light"] .ai-empty {
    background: #fafbff
}

[data-theme="light"] .ai-error {
    background: #fff1f3;
    border-color: #fecaca;
    color: #b91c1c
}

[data-theme="light"] .ai-loading i {
    color: var(--cyan)
}

/* Inputs / buttons in forms keep proper contrast */
[data-theme="light"] input,
[data-theme="light"] select,
[data-theme="light"] textarea,
[data-theme="light"] .inp {
    background: #fff;
    color: var(--text);
    border: 1px solid var(--line-strong)
}

[data-theme="light"] input::placeholder {
    color: var(--text-mute)
}

[data-theme="light"] .seg button {
    color: var(--text-dim)
}

[data-theme="light"] .seg button.active {
    color: #fff;
    background: var(--grad-1)
}

[data-theme="light"] .btn-ghost {
    color: var(--text-dim);
    border: 1px solid var(--line-strong);
    background: #fff
}

[data-theme="light"] .btn-ghost:hover {
    color: var(--text);
    background: #f3f6fc
}

[data-theme="light"] .btn-collect {
    color: #fff;
    background: var(--grad-2);
    box-shadow: 0 6px 18px rgba(16, 185, 129, .28)
}

[data-theme="light"] .nav-list a.active i {
    color: #fff
}

/* Active link gradient text in light mode looks better as solid */
[data-theme="light"] .brand-title span {
    background: var(--grad-1);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent
}

/* Override hard-coded white text inside dark gradient buttons (kept dark in dark theme) */
[data-theme="light"] .nav-list a.active {
    color: #fff
}

[data-theme="light"] .btn-collect {
    color: #fff
}

[data-theme="light"] .ai-tag,
[data-theme="light"] .btn-ai {
    color: #fff
}

/* Theme toggle in light: invert hint */
[data-theme="light"] .theme-toggle {
    background: rgba(60, 80, 140, .06);
    color: var(--text-dim);
    border-color: var(--line-strong)
}

[data-theme="light"] .theme-toggle:hover {
    color: var(--text);
    background: rgba(60, 80, 140, .12)
}

/* Hardcoded #fff text overrides for light theme (only where bg is also light) */
[data-theme="light"] .help-title,
[data-theme="light"] .field-label,
[data-theme="light"] .modal-title,
[data-theme="light"] .stat-label,
[data-theme="light"] .video-title,
[data-theme="light"] .v-meta-title,
[data-theme="light"] .insight-title,
[data-theme="light"] #crumbTitle {
    color: var(--text)
}

[data-theme="light"] .btn-ghost:hover {
    color: var(--cyan);
    background: #eaf2fe;
    border-color: var(--cyan)
}

[data-theme="light"] .nav-list a:hover {
    color: var(--text);
    background: rgba(60, 80, 140, .08)
}

/* select option dropdown */
[data-theme="light"] select.inp option {
    background: #fff;
    color: var(--text)
}

/* =====================================================================
   Tendency Affinity (성향 추론)
===================================================================== */
.ai-annot {
    margin-top: 14px;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: rgba(120, 150, 220, .04)
}

.ai-annot-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 8px
}

.ai-annot-title {
    font-weight: 700;
    color: var(--text);
    font-size: .92rem
}

.ai-annot-sub {
    font-size: .76rem;
    color: var(--text-dim);
    margin-top: 3px
}

.ai-annot-sub code {
    background: rgba(120, 150, 220, .12);
    padding: 1px 6px;
    border-radius: 4px;
    color: var(--cyan-soft);
    font-family: 'JetBrains Mono', monospace;
    font-size: .78rem
}

.btn-sm {
    padding: 6px 12px;
    font-size: .78rem
}

.ai-annot-input {
    width: 100%;
    min-height: 88px;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid var(--line-strong);
    background: rgba(0, 0, 0, .18);
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    font-size: .84rem;
    line-height: 1.55;
    resize: vertical;
    outline: none
}

.ai-annot-input::placeholder {
    color: var(--text-mute)
}

.ai-annot-input:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px rgba(0, 229, 255, .15)
}

.ai-annot-foot {
    margin-top: 8px;
    font-size: .72rem;
    color: var(--text-mute)
}

.ai-annot-formula {
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: .2px
}

[data-theme="light"] .ai-annot {
    background: #fafbff
}

[data-theme="light"] .ai-annot-input {
    background: #fff;
    color: var(--text);
    border-color: var(--line-strong)
}

[data-theme="light"] .ai-annot-input:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .15)
}

.tend-card {
    margin: 14px 0;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: linear-gradient(180deg, rgba(138, 91, 255, .06), rgba(0, 229, 255, .02))
}

.tend-card.warn {
    background: rgba(255, 194, 74, .06);
    border-color: rgba(255, 194, 74, .4)
}

.tend-head {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    color: var(--text);
    font-size: .96rem;
    margin-bottom: 12px
}

.tend-head i {
    color: var(--violet)
}

.tend-confidence {
    display: inline-block;
    margin-left: 10px;
    padding: 2px 10px;
    border-radius: 999px;
    background: rgba(120, 150, 220, .12);
    color: var(--text-dim);
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .3px
}

.tend-confidence[data-c^="높음"] {
    background: rgba(163, 255, 92, .18);
    color: var(--lime)
}

.tend-confidence[data-c^="보통"] {
    background: rgba(0, 229, 255, .15);
    color: var(--cyan)
}

.tend-confidence[data-c^="낮음"] {
    background: rgba(255, 194, 74, .18);
    color: var(--amber)
}

.tend-confidence[data-c^="판정불가"] {
    background: rgba(255, 107, 129, .15);
    color: var(--rose)
}

.tend-bars {
    display: flex;
    flex-direction: column;
    gap: 10px
}

.tend-row {
    padding: 10px 12px;
    border-radius: 10px;
    background: rgba(120, 150, 220, .05);
    border: 1px solid var(--line)
}

.tend-row.top {
    background: linear-gradient(90deg, rgba(0, 229, 255, .08), rgba(138, 91, 255, .04));
    border-color: rgba(0, 229, 255, .3)
}

.tend-row-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px
}

.tend-rank {
    display: inline-grid;
    place-items: center;
    width: 22px;
    height: 22px;
    border-radius: 6px;
    background: rgba(120, 150, 220, .15);
    color: var(--text-dim);
    font-weight: 800;
    font-size: .78rem;
    font-family: 'JetBrains Mono', monospace
}

.tend-row.top .tend-rank {
    background: var(--grad-1);
    color: #06070d
}

.tend-label {
    flex: 1;
    font-weight: 700;
    color: var(--text)
}

.tend-pct {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 800;
    color: var(--cyan-soft)
}

.tend-row.top .tend-pct {
    color: var(--text)
}

.tend-bar {
    height: 8px;
    background: rgba(120, 150, 220, .10);
    border-radius: 4px;
    overflow: hidden
}

.tend-bar-fill {
    height: 100%;
    background: var(--grad-1);
    border-radius: 4px;
    transition: width .6s ease
}

.tend-row-meta {
    margin-top: 5px;
    font-size: .72rem;
    color: var(--text-mute);
    font-family: 'JetBrains Mono', monospace
}

.tend-detail {
    margin-top: 14px
}

.tend-detail summary {
    cursor: pointer;
    color: var(--text-dim);
    font-size: .84rem;
    padding: 6px 0
}

.tend-detail summary:hover {
    color: var(--text)
}

.tend-table {
    font-size: .82rem
}

.tend-tag {
    display: inline-block;
    padding: 1px 8px;
    border-radius: 6px;
    background: rgba(0, 229, 255, .12);
    color: var(--cyan);
    font-weight: 600;
    font-size: .78rem
}

.tend-fav {
    color: var(--lime);
    font-family: 'JetBrains Mono', monospace
}

.tend-unfav {
    color: var(--rose);
    font-family: 'JetBrains Mono', monospace
}

.tend-llm {
    margin-top: 12px;
    border-top: 1px dashed var(--line);
    padding-top: 10px
}

.tend-llm summary {
    cursor: pointer;
    color: var(--cyan-soft);
    font-weight: 600;
    padding: 4px 0
}

[data-theme="light"] .tend-card {
    background: linear-gradient(180deg, #f5f3ff, #f0f9ff)
}

[data-theme="light"] .tend-row {
    background: #fff
}

[data-theme="light"] .tend-row.top {
    background: linear-gradient(90deg, #dbeafe, #ede9fe);
    border-color: #a5b4fc
}

[data-theme="light"] .tend-row.top .tend-rank {
    color: #fff
}

/* =====================================================================
   Segment Editor (10-row labeling UI)
===================================================================== */
.ai-annot-tools {
    display: flex;
    gap: 6px;
    flex-wrap: wrap
}

.seg-editor {
    margin-top: 10px;
    border: 1px solid var(--line);
    border-radius: 10px;
    overflow: hidden;
    background: rgba(0, 0, 0, .14)
}

.seg-editor-head,
.seg-row {
    display: grid;
    grid-template-columns: 36px minmax(260px, 1.1fr) minmax(160px, 0.95fr) 92px minmax(180px, 1.3fr);
    gap: 8px;
    align-items: center;
    padding: 6px 10px
}

.seg-editor-head {
    background: rgba(120, 150, 220, .08);
    border-bottom: 1px solid var(--line);
    font-size: .72rem;
    color: var(--text-mute);
    text-transform: uppercase;
    letter-spacing: .5px;
    font-weight: 700
}

.seg-editor-body .seg-row {
    border-bottom: 1px dashed rgba(120, 150, 220, .08)
}

.seg-editor-body .seg-row:last-child {
    border-bottom: none
}

.seg-row.has-time {
    background: rgba(0, 229, 255, .03)
}

.seg-row.active {
    background: linear-gradient(90deg, rgba(0, 229, 255, .06), rgba(138, 91, 255, .04))
}

.seg-row.invalid {
    background: rgba(255, 107, 129, .08)
}

.seg-row .se-col-no {
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 800;
    color: var(--text-mute);
    font-size: .82rem
}

.seg-row.active .se-col-no {
    color: var(--cyan)
}

.se-col-time {
    display: flex;
    align-items: center;
    gap: 6px
}

.se-col-time .inp {
    padding: 6px 9px;
    font-family: 'JetBrains Mono', monospace;
    font-size: .82rem;
    width: 100%;
    min-width: 0
}

.se-col-time .se-start {
    background: rgba(120, 150, 220, .06);
    color: var(--text-dim);
    cursor: not-allowed
}

.se-col-time .se-arrow {
    color: var(--text-mute);
    font-family: 'JetBrains Mono', monospace;
    flex-shrink: 0
}

.btn-xs {
    padding: 5px 9px;
    font-size: .72rem;
    flex-shrink: 0;
    white-space: nowrap;
    border-radius: 6px
}

.se-end-max {
    color: var(--cyan-soft);
    border: 1px dashed rgba(0, 229, 255, .35)
}

.se-end-max:hover {
    background: rgba(0, 229, 255, .1);
    border-style: solid
}

.se-end-max i {
    margin-right: 2px;
    font-size: .7rem
}

.se-col-label .inp,
.se-col-desc .inp {
    width: 100%;
    padding: 6px 9px;
    font-size: .85rem
}

.seg-row.invalid .se-end {
    border-color: var(--rose);
    box-shadow: 0 0 0 2px rgba(255, 107, 129, .12)
}

.seg-editor-foot {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    padding: 8px 12px;
    background: rgba(120, 150, 220, .05);
    border-top: 1px solid var(--line);
    font-size: .76rem;
    color: var(--text-dim);
    font-family: 'JetBrains Mono', monospace
}

.seg-editor-foot b {
    color: var(--cyan-soft);
    margin-left: 4px
}

@media (max-width: 760px) {

    .seg-editor-head,
    .seg-row {
        grid-template-columns: 28px 1fr;
        gap: 6px
    }

    .seg-editor-head .se-col-time,
    .seg-editor-head .se-col-label,
    .seg-editor-head .se-col-calib,
    .seg-editor-head .se-col-desc {
        display: none
    }

    .seg-row .se-col-time {
        grid-column: 2
    }

    .seg-row .se-col-label,
    .seg-row .se-col-calib,
    .seg-row .se-col-desc {
        grid-column: 2
    }
}

[data-theme="light"] .seg-editor {
    background: #fbfcff
}

[data-theme="light"] .seg-row.has-time {
    background: #f0fbff
}

[data-theme="light"] .seg-row.active {
    background: linear-gradient(90deg, #e0f2fe, #ede9fe)
}

/* =====================================================================
   Audience headcount card (inside tend-card)
===================================================================== */
.aud-card {
    margin-top: 14px;
    padding: 12px 14px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(163, 255, 92, .07), rgba(0, 229, 255, .04));
    border: 1px solid rgba(163, 255, 92, .25)
}

.aud-head {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    font-weight: 700;
    color: var(--text);
    font-size: .9rem;
    margin-bottom: 8px
}

.aud-head i {
    color: var(--lime)
}

.aud-formula {
    margin-left: auto;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
    font-size: .72rem;
    color: var(--text-mute)
}

.aud-table {
    width: 100%;
    font-size: .85rem
}

.aud-table th {
    text-align: left;
    color: var(--text-mute);
    font-weight: 600;
    font-size: .74rem;
    text-transform: uppercase;
    letter-spacing: .4px;
    padding: 4px 8px
}

.aud-table td {
    padding: 6px 8px
}

.aud-table tr.top td {
    background: rgba(0, 229, 255, .07)
}

.aud-table tr.top td b {
    color: var(--cyan-soft);
    font-size: 1.05rem
}

[data-theme="light"] .aud-card {
    background: linear-gradient(135deg, #ecfccb, #ecfeff);
    border-color: #a3e635
}

/* ---------- Calibration column & toggle ---------- */
.se-col-calib {
    text-align: center;
    color: var(--text-mute);
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .5px;
    font-weight: 700
}

.se-col-calib .inp.se-calib {
    width: 100%;
    padding: 6px 6px;
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: .82rem;
    background: rgba(138, 91, 255, .06);
    border: 1px solid rgba(138, 91, 255, .25);
    color: var(--text);
    border-radius: 6px;
    transition: all .15s ease
}

.se-col-calib .inp.se-calib:focus {
    border-color: rgba(138, 91, 255, .7);
    box-shadow: 0 0 0 2px rgba(138, 91, 255, .15)
}

.se-col-calib .inp.se-calib.changed {
    background: rgba(138, 91, 255, .14);
    color: #d8c9ff;
    font-weight: 700
}

body.calib-off .se-col-calib .inp.se-calib {
    opacity: .35
}

.calib-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border: 1px solid rgba(138, 91, 255, .35);
    border-radius: 8px;
    background: rgba(138, 91, 255, .06);
    cursor: pointer;
    user-select: none;
    font-size: .82rem;
    color: var(--text-dim);
    transition: all .15s ease
}

.calib-toggle:has(input:checked) {
    background: linear-gradient(135deg, rgba(138, 91, 255, .25), rgba(255, 63, 164, .15));
    color: #fff;
    border-color: rgba(138, 91, 255, .8);
    box-shadow: 0 0 12px rgba(138, 91, 255, .25)
}

.calib-toggle input {
    accent-color: #8a5bff;
}

.tend-calib-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-left: 8px;
    padding: 2px 8px;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(138, 91, 255, .35), rgba(255, 63, 164, .25));
    color: #fff;
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .3px
}