/* ───────────────────────────────────────────────────────────────────────────
   TradingView-inspired Design  —  Light Mode
   참고: https://kr.tradingview.com/markets/
   폰트 17px 이상 한글 선명, 퍼플/바이올렛 사용 금지
   Accent: #2962FF (TradingView blue)
─────────────────────────────────────────────────────────────────────────── */
* {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI',
                 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    box-sizing: border-box;
}

:root {
    /* TradingView 블루 계열 */
    --accent:        #2962FF;
    --accent-dark:   #1E53E5;
    --accent-mid:    #1565C0;
    --accent-light:  #E3F0FF;
    --accent-glow:   rgba(41,98,255,0.12);

    /* Backgrounds — TradingView-like cream white */
    --bg:            #F0F3FA;
    --surface:       #FFFFFF;
    --surface-2:     #F7F9FC;

    /* Text */
    --fg:            #131722;
    --fg-2:          #2A2E39;
    --muted:         #787B86;

    /* Borders */
    --border:        #E0E3EB;
    --border-focus:  rgba(41,98,255,0.40);

    /* Shadows */
    --shadow-sm:     0 1px 2px rgba(0,0,0,0.05), 0 3px 12px rgba(0,0,0,0.04);
    --shadow-md:     0 4px 16px rgba(0,0,0,0.08), 0 1px 4px rgba(0,0,0,0.04);
    --shadow-glow:   0 4px 20px rgba(41,98,255,0.18);

    /* Radius — TradingView uses softer radius */
    --radius-xs:     4px;
    --radius-sm:     6px;
    --radius:        8px;
    --radius-lg:     12px;

    /* 한국 주식/코인 상승↑적색, 하락↓청색 */
    --up:            #E11D48;
    --down:          #1565C0;
}

html, body {
    background-color: var(--bg);
    color: var(--fg);
    font-size: 17px;
    line-height: 1.55;
    min-height: 100vh;
}

/* ── Brand logo ─────────────────────────────────────────────────────────── */
.brand-logo-text {
    background: linear-gradient(135deg, #2962FF, #0D47A1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 20px;
    font-weight: 900;
    letter-spacing: 1.5px;
    line-height: 1;
}

/* ── Offcanvas ──────────────────────────────────────────────────────────── */
#oc-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.25);
    z-index: 299; display: none; backdrop-filter: blur(3px);
}
#oc-overlay.open { display: block; }

#oc-panel {
    position: fixed; top: 0; left: 0;
    height: 100vh; width: 280px;
    background: var(--surface);
    border-right: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    z-index: 300;
    transform: translateX(-100%);
    transition: transform 0.26s cubic-bezier(0.4,0,0.2,1);
    display: flex; flex-direction: column;
}
#oc-panel.open { transform: translateX(0); }

.oc-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 1rem 1.2rem; border-bottom: 1px solid var(--border);
}
.oc-close-btn {
    width: 32px; height: 32px;
    background: var(--accent-light);
    border: none; border-radius: var(--radius-xs);
    font-size: 14px; font-weight: 700; color: var(--accent-dark);
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    transition: background 0.12s;
}
.oc-close-btn:hover { background: rgba(41,98,255,0.18); }

.oc-nav { padding: 0.6rem 0; flex: 1; }
.oc-nav-item {
    display: flex; align-items: center; gap: 0.7rem;
    padding: 0.75rem 1.4rem;
    font-size: 15px; font-weight: 600; color: var(--fg-2);
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: background 0.12s, border-color 0.12s, color 0.12s;
}
.oc-nav-item:hover {
    background: var(--accent-light);
    border-left-color: var(--accent);
    color: var(--accent-dark);
}
.oc-divider { height: 1px; background: var(--border); margin: 0.35rem 1.2rem; }
.oc-footer { padding: 1rem 1.2rem; border-top: 1px solid var(--border); }

/* ── Header ─────────────────────────────────────────────────────────────── */
#site-header {
    background: rgba(255,255,255,0.94);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
    position: sticky; top: 0; z-index: 100;
}

.hamburger-btn {
    width: 36px; height: 36px;
    background: var(--accent-light);
    border: none; border-radius: var(--radius-xs);
    cursor: pointer;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
    transition: background 0.12s; flex-shrink: 0;
}
.hamburger-btn:hover { background: rgba(41,98,255,0.18); }
.hamburger-btn span { display: block; width: 16px; height: 2px; background: var(--accent); border-radius: 1px; }

/* ── Cards ──────────────────────────────────────────────────────────────── */
.glass-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}
.glow-card {
    background: linear-gradient(160deg, #FFFFFF 60%, var(--surface-2));
    border: 1px solid rgba(41,98,255,0.18);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm), 0 0 20px rgba(41,98,255,0.06);
}

/* ── Tables ─────────────────────────────────────────────────────────────── */
.dark-table { width: 100%; border-collapse: collapse; }
.dark-table thead th {
    background: var(--surface-2);
    color: var(--muted);
    font-size: 12px; font-weight: 700;
    letter-spacing: 0.04em; text-transform: uppercase;
    border-bottom: 1px solid var(--border);
    padding: 8px 12px; white-space: nowrap;
}
.dark-table tbody td {
    padding: 9px 12px; color: var(--fg);
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}
.dark-table tbody tr { transition: background 0.1s; }
.dark-table tbody tr:hover { background: var(--accent-light); }
.dark-table tbody tr:last-child td { border-bottom: none; }

/* ── Inputs ─────────────────────────────────────────────────────────────── */
.dark-input {
    background: var(--surface);
    border: 1.5px solid var(--border);
    color: var(--fg);
    border-radius: var(--radius-sm);
    padding: 0.55rem 0.85rem;
    width: 100%; font-size: 15px;
    transition: border-color 0.15s, box-shadow 0.15s; outline: none;
}
.dark-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.dark-input::placeholder { color: #ADB5C0; }

.dark-select {
    background: var(--surface);
    border: 1.5px solid var(--border);
    color: var(--fg);
    border-radius: var(--radius-xs);
    padding: 0.38rem 0.65rem; font-size: 14px; outline: none;
    transition: border-color 0.15s; cursor: pointer;
}
.dark-select:focus { border-color: var(--accent); }
.dark-select option { background: #FFFFFF; color: var(--fg); }

/* ── Buttons ────────────────────────────────────────────────────────────── */
.btn-gold {
    background: var(--accent);
    color: #FFFFFF; font-weight: 700; font-size: 15px;
    border-radius: var(--radius-sm); padding: 0.6rem 1.4rem;
    border: none; cursor: pointer;
    transition: background 0.15s, box-shadow 0.15s, transform 0.1s;
    box-shadow: 0 2px 8px rgba(41,98,255,0.30);
    display: inline-flex; align-items: center; justify-content: center;
    width: 100%; letter-spacing: 0.01em;
}
.btn-gold:hover { background: var(--accent-dark); box-shadow: 0 4px 16px rgba(41,98,255,0.40); transform: translateY(-1px); }

.btn-ghost {
    background: var(--surface); color: var(--fg-2); font-weight: 600; font-size: 15px;
    border-radius: var(--radius-sm); padding: 0.6rem 1.4rem;
    border: 1.5px solid var(--border); cursor: pointer;
    transition: background 0.12s, border-color 0.12s;
    display: inline-flex; align-items: center; justify-content: center; width: 100%;
}
.btn-ghost:hover { background: var(--accent-light); border-color: var(--accent); color: var(--accent-dark); }

.btn-buy {
    background: #E11D48;
    color: #fff; font-weight: 700; font-size: 16px;
    border-radius: var(--radius-sm); padding: 0.6rem 1rem;
    border: none; cursor: pointer;
    transition: background 0.12s, box-shadow 0.12s;
    box-shadow: 0 2px 8px rgba(225,29,72,0.25); width: 100%;
}
.btn-buy:hover { background: #BE123C; box-shadow: 0 4px 14px rgba(225,29,72,0.35); }

.btn-sell {
    background: #1565C0;
    color: #fff; font-weight: 700; font-size: 16px;
    border-radius: var(--radius-sm); padding: 0.6rem 1rem;
    border: none; cursor: pointer;
    transition: background 0.12s, box-shadow 0.12s;
    box-shadow: 0 2px 8px rgba(21,101,192,0.25); width: 100%;
}
.btn-sell:hover { background: #0D47A1; box-shadow: 0 4px 14px rgba(21,101,192,0.35); }

.btn-pct-buy {
    border: 1.5px solid rgba(225,29,72,0.25); color: #E11D48;
    background: rgba(225,29,72,0.04); border-radius: var(--radius-xs);
    padding: 0.28rem 0; font-size: 13px; font-weight: 700;
    cursor: pointer; transition: background 0.12s; text-align: center;
}
.btn-pct-buy:hover { background: rgba(225,29,72,0.10); }

.btn-pct-sell {
    border: 1.5px solid rgba(21,101,192,0.25); color: #1565C0;
    background: rgba(21,101,192,0.04); border-radius: var(--radius-xs);
    padding: 0.28rem 0; font-size: 13px; font-weight: 700;
    cursor: pointer; transition: background 0.12s; text-align: center;
}
.btn-pct-sell:hover { background: rgba(21,101,192,0.10); }

/* ── Badges ─────────────────────────────────────────────────────────────── */
.badge {
    border-radius: 4px; padding: 0.18rem 0.65rem;
    font-size: 11px; font-weight: 700;
    display: inline-flex; align-items: center; letter-spacing: 0.03em;
}
.badge-gold  { background: var(--accent); color: #FFFFFF; border: none; }
.badge-muted { background: var(--surface-2); color: var(--muted); border: 1px solid var(--border); }
.badge-green { background: #E8F5E9; color: #2E7D32; border: 1px solid rgba(46,125,50,0.2); }
.badge-red   { background: #FFEBEE; color: #C62828; border: 1px solid rgba(198,40,40,0.2); }

/* ── Period buttons ─────────────────────────────────────────────────────── */
.period-btn {
    border-radius: 4px; padding: 0.22rem 0.85rem;
    font-size: 13px; font-weight: 600; transition: all 0.12s; cursor: pointer;
    border: 1px solid var(--border); background: transparent; color: var(--muted);
}
.period-btn.active {
    background: var(--accent); color: #FFFFFF; border-color: var(--accent);
    box-shadow: 0 1px 4px rgba(41,98,255,0.25);
}
.period-btn:not(.active):hover {
    background: var(--accent-light); border-color: var(--accent); color: var(--accent-dark);
}

/* ── Market filter tabs ─────────────────────────────────────────────────── */
.market-tab {
    font-size: 13px; font-weight: 600; padding: 4px 12px;
    border-radius: 4px; border: 1px solid var(--border);
    background: transparent; color: var(--muted); cursor: pointer; transition: all 0.12s;
}
.market-tab.active {
    background: var(--accent); border-color: var(--accent); color: #FFFFFF;
}
.market-tab:not(.active):hover {
    background: var(--accent-light); border-color: var(--accent); color: var(--accent-dark);
}

/* ── Exchange tabs ─────────────────────────────────────────────────────── */
.exchange-tab {
    font-size: 13px; font-weight: 700; padding: 4px 14px;
    border-radius: 4px; border: 1px solid var(--border);
    background: transparent; color: var(--muted); cursor: pointer; transition: all 0.12s;
}
.exchange-tab.active {
    background: var(--accent); border-color: var(--accent); color: #FFFFFF;
    box-shadow: 0 1px 6px rgba(41,98,255,0.28);
}
.exchange-tab:not(.active):hover {
    background: var(--accent-light); border-color: var(--accent); color: var(--accent-dark);
}
.dom-inline-item {
    cursor: pointer; padding: 2px 6px; border-radius: 4px; transition: background .1s;
}
.dom-inline-item:hover { background: var(--accent-light); }
.dom-inline-item.selected { background: var(--accent-light); border: 1px solid rgba(41,98,255,0.2); }

/* ── Price colors ───────────────────────────────────────────────────────── */
.text-up    { color: #E11D48; }
.text-down  { color: #1565C0; }
.text-muted { color: var(--muted); }

/* ── Table helpers ──────────────────────────────────────────────────────── */
td, th { vertical-align: middle; }

/* ── Scrollbar ──────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* ── Stat cards ─────────────────────────────────────────────────────────── */
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    box-shadow: var(--shadow-sm);
}
.stat-card .stat-label {
    font-size: 11px; font-weight: 700; letter-spacing: 0.06em;
    text-transform: uppercase; color: var(--muted); margin-bottom: 0.2rem;
}
.stat-card .stat-value { font-size: 22px; font-weight: 900; color: var(--fg); line-height: 1.2; }
.stat-card.gold-stat {
    background: var(--accent); border: none;
    box-shadow: 0 4px 16px rgba(41,98,255,0.25);
}
.stat-card.gold-stat .stat-value { color: #FFFFFF; }
.stat-card.gold-stat .stat-label { color: rgba(255,255,255,0.75); }

/* ── Section label ──────────────────────────────────────────────────────── */
.section-label {
    font-size: 11px; font-weight: 700; letter-spacing: 0.08em;
    text-transform: uppercase; color: var(--muted);
}

/* ── Asset bar ──────────────────────────────────────────────────────────── */
.asset-bar {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    padding: 0.5rem 0.8rem; font-size: 14px;
}

/* ── Footer ─────────────────────────────────────────────────────────────── */
#site-footer {
    margin-top: 3rem;
    border-top: 1px solid var(--border);
    background: var(--surface);
}

/* ── Auth page ──────────────────────────────────────────────────────────── */
.auth-page {
    min-height: 100vh;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 2rem 1rem;
    background: linear-gradient(135deg, #EEF4FF 0%, #F0F3FA 50%, #E8F0FE 100%);
}
.auth-card {
    width: 100%; max-width: 400px;
    background: #FFFFFF;
    border: 1px solid #D6E2FF;
    border-radius: 12px;
    padding: 2.5rem 2rem;
    box-shadow: 0 8px 32px rgba(41,98,255,0.08), 0 2px 8px rgba(0,0,0,0.06);
}
.auth-logo {
    background: linear-gradient(135deg, #2962FF, #0D47A1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 30px; font-weight: 900; letter-spacing: 3px;
    display: block; text-align: center;
}

/* ── Live indicator ─────────────────────────────────────────────────────── */
.live-dot {
    display: inline-block; width: 6px; height: 6px; border-radius: 50%;
    background: #22C55E; box-shadow: 0 0 5px #22C55E;
    animation: pulse-dot 1.5s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.5; transform: scale(0.75); }
}

/* ── AI Panel ───────────────────────────────────────────────────────────── */
#ai-panel {
    background: #FFFFFF !important;
    border-left: 1px solid var(--border) !important;
    box-shadow: -4px 0 24px rgba(0,0,0,0.08) !important;
}

/* ── Content control bar (hamburger ← | AI 분석 →) ─────────────────────── */
#content-ctrl-bar {
    /* sticky below the slim header */
}

/* 트레이딩 페이지: content-ctrl-bar는 trading-body 위에 위치 */
.trading-root #content-ctrl-bar {
    position: relative;
    top: unset;
    flex-shrink: 0;
}