/* ========= Reset + tokens ========= */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; font-family: -apple-system, "Segoe UI", "Malgun Gothic", sans-serif; background: #f4f6f9; color: #1c1f26; -webkit-font-smoothing: antialiased; }
:root {
  --up: #d64545; --up-strong: #b73030; --up-soft: rgba(214,69,69,0.08);
  --down: #2a72d6; --down-strong: #1c56b0; --down-soft: rgba(42,114,214,0.08);
  --draw: #a06d00;
  --accent: #ff6d1f; --accent-strong: #e05a12;
  --line: #e5e8ee; --line-strong: #d0d5de;
  --muted: #8c93a3; --sub: #4a5163;
  --panel: #ffffff; --bg: #f4f6f9; --text: #1c1f26;
  --sidebar-w: 220px; --topbar-h: 56px;
}

button { font-family: inherit; }
input, textarea, select { font-family: inherit; }
a { color: inherit; text-decoration: none; }

/* ========= Auth screen ========= */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #f4f6f9 0%, #eaeef4 100%); padding: 20px; }
.auth-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 40px; width: 100%; max-width: 400px; box-shadow: 0 4px 20px rgba(0,0,0,0.04); }
.auth-brand { text-align: center; font-size: 24px; font-weight: 800; color: var(--accent); margin-bottom: 4px; letter-spacing: 1px; }
.auth-subtitle { text-align: center; font-size: 12px; color: var(--muted); margin-bottom: 30px; }
.auth-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-bottom: 24px; border-bottom: 1px solid var(--line); }
.auth-tab { padding: 10px 0; text-align: center; font-size: 13px; color: var(--muted); cursor: pointer; border-bottom: 2px solid transparent; }
.auth-tab.active { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }
.form-field { margin-bottom: 14px; }
.form-field label { display: block; font-size: 12px; color: var(--sub); margin-bottom: 6px; }
.form-field input, .form-field textarea, .form-field select {
  width: 100%; background: #fff; border: 1px solid var(--line-strong); color: var(--text);
  border-radius: 6px; padding: 10px 12px; font-size: 14px;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { outline: none; border-color: var(--accent); }
.form-error { color: var(--up); font-size: 12px; margin-bottom: 10px; text-align: center; min-height: 16px; }
.btn { display: inline-block; padding: 10px 18px; border-radius: 6px; border: 1px solid var(--line-strong); background: #fff; color: var(--text); cursor: pointer; font-size: 13px; }
.btn:hover { background: #f4f6f9; }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.primary:hover { background: var(--accent-strong); }
.btn.wide { width: 100%; padding: 12px; font-size: 14px; }
.btn.danger { color: var(--up); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ========= App shell ========= */
.app { display: grid; grid-template-columns: var(--sidebar-w) 1fr; grid-template-rows: var(--topbar-h) 1fr; height: 100vh; grid-template-areas: "sidebar topbar" "sidebar main"; }
.topbar { grid-area: topbar; background: #fff; border-bottom: 1px solid var(--line); padding: 0 20px; display: flex; align-items: center; justify-content: space-between; }
.topbar .page-title { font-size: 14px; font-weight: 600; color: var(--text); }
.topbar .right { display: flex; align-items: center; gap: 16px; }
.balance-chip { display: flex; align-items: center; gap: 6px; padding: 6px 12px; background: #fff5ec; border: 1px solid #ffd8b0; border-radius: 999px; font-size: 12px; }
.balance-chip .label { color: var(--muted); }
.balance-chip .val { font-weight: 700; color: var(--accent); font-variant-numeric: tabular-nums; }
.notif-btn { position: relative; background: transparent; border: none; cursor: pointer; padding: 6px; font-size: 18px; color: var(--sub); }
.notif-btn:hover { color: var(--text); }
.notif-badge { position: absolute; top: 2px; right: 2px; background: var(--up); color: #fff; font-size: 10px; padding: 1px 5px; border-radius: 999px; font-weight: 700; }
.profile-menu { position: relative; }
.profile-btn { display: flex; align-items: center; gap: 8px; padding: 6px 10px; background: transparent; border: 1px solid var(--line); border-radius: 6px; cursor: pointer; font-size: 12px; }
.profile-btn .nick { font-weight: 600; color: var(--text); }
.profile-btn:hover { background: #f4f6f9; }

/* Sidebar */
.sidebar { grid-area: sidebar; background: #12151d; color: #d0d5de; padding: 0; display: flex; flex-direction: column; }
.sidebar .brand { padding: 18px 20px; font-size: 16px; font-weight: 800; letter-spacing: 1px; color: var(--accent); border-bottom: 1px solid #1c2130; }
.sidebar nav { flex: 1; overflow-y: auto; padding: 10px 0; }
.nav-group { margin-bottom: 6px; }
.nav-title { padding: 8px 20px; font-size: 11px; color: #6a7185; text-transform: uppercase; letter-spacing: 1px; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 20px; font-size: 13px; color: #b7bcd0; cursor: pointer; border-left: 3px solid transparent; }
.nav-item:hover { background: rgba(255,255,255,0.03); color: #fff; }
.nav-item.active { background: rgba(255,109,31,0.1); color: #fff; border-left-color: var(--accent); }
.nav-item .icon { width: 16px; text-align: center; font-size: 13px; }
.nav-sub { padding-left: 42px; }
.nav-sub .nav-item { padding: 7px 20px 7px 0; font-size: 12px; color: #8c93a3; }
.nav-sub .nav-item.active { color: #fff; background: transparent; border-left-color: transparent; }
.nav-sub .nav-item.active::before { content: "•"; margin-right: 4px; color: var(--accent); }

/* Main content */
.main { grid-area: main; overflow-y: auto; background: var(--bg); padding: 16px; }
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.page-header h1 { font-size: 18px; margin: 0; }
.section-tabs { display: flex; gap: 24px; border-bottom: 1px solid var(--line); margin-bottom: 16px; }
.section-tab { padding: 8px 0; font-size: 13px; color: var(--muted); cursor: pointer; border-bottom: 2px solid transparent; }
.section-tab.active { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }

.card { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 16px; margin-bottom: 12px; }
.card-title { font-size: 14px; font-weight: 700; margin-bottom: 12px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }

/* Tables */
.table { width: 100%; border-collapse: collapse; font-size: 12px; }
.table th, .table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid #f0f2f6; }
.table th { color: var(--muted); font-weight: 500; font-size: 11px; background: #f9fafc; }
.table td { font-variant-numeric: tabular-nums; }
.table .num { text-align: right; }
.status-pill { display: inline-block; padding: 3px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.status-pill.pending  { background: #fff5e5; color: #a06d00; }
.status-pill.approved { background: #eaf7f0; color: #0aa06e; }
.status-pill.rejected { background: #fdeaea; color: #d64545; }
.status-pill.open     { background: #eaf7f0; color: #0aa06e; }
.status-pill.closed   { background: #f0f2f6; color: var(--muted); }
.status-pill.done     { background: #f0f2f6; color: var(--muted); }
.status-pill.active   { background: #eaf7f0; color: #0aa06e; }
.status-pill.cancelled { background: #f0f2f6; color: var(--muted); }

.empty { text-align: center; color: var(--muted); padding: 32px 0; font-size: 12px; }

/* ========= Trading page ========= */
.trading-layout { display: grid; grid-template-columns: minmax(0, 1.6fr) 360px 340px; gap: 10px; height: calc(100vh - var(--topbar-h) - 32px); }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 10px; overflow: hidden; display: flex; flex-direction: column; min-width: 0; }
.panel-chart .metric-row { display: flex; gap: 24px; padding: 6px 6px 8px; font-size: 11px; color: var(--muted); }
.panel-chart .metric-row .metric .lbl { color: var(--muted); }
.panel-chart .metric-row .metric .val { font-size: 13px; font-weight: 600; color: var(--text); font-variant-numeric: tabular-nums; }
.panel-chart .metric-row .metric .val.up { color: var(--up); }
.panel-chart .metric-row .metric .val.down { color: var(--down); }
.chart-head { display: flex; align-items: center; gap: 14px; padding: 4px 6px 8px; font-size: 12px; color: #666; }
#chart { flex: 1; min-height: 0; }
.chip { background: #fff; border: 1px solid var(--line-strong); color: var(--text); border-radius: 6px; padding: 5px 10px; font-size: 11px; cursor: pointer; }
.chip:hover { background: #f4f6f9; }

.tabs { display: flex; gap: 24px; border-bottom: 1px solid var(--line); padding: 4px 4px 8px; }
.tab { font-size: 13px; color: var(--muted); cursor: pointer; padding: 4px 0; border-bottom: 2px solid transparent; }
.tab.active { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }
.results-head { display: grid; grid-template-columns: 1fr 1fr 1fr 0.7fr; gap: 6px; padding: 10px 8px 6px; font-size: 11px; color: var(--muted); }
.results-body { flex: 1; overflow-y: auto; display: none; }
.results-body.active { display: block; }
.result-row { display: grid; grid-template-columns: 1fr 1fr 1fr 0.7fr; gap: 6px; padding: 6px 8px; font-size: 12px; border-bottom: 1px solid #f0f2f6; font-variant-numeric: tabular-nums; }
.result-row .res { font-weight: 700; text-align: center; }
.result-row .res.up, .result-row .res.win { color: var(--up); }
.result-row .res.down, .result-row .res.lose { color: var(--down); }
.result-row .res.draw { color: var(--draw); }

.trade-title { font-size: 14px; font-weight: 700; padding: 6px 4px 12px; border-bottom: 1px solid var(--line); }
.round-info { display: grid; grid-template-columns: 1fr 1.2fr 1fr; gap: 8px; padding: 14px 4px; }
.round-cell .lbl { font-size: 11px; color: var(--muted); }
.round-cell .val { font-size: 15px; font-weight: 600; margin-top: 3px; font-variant-numeric: tabular-nums; }
.round-cell.center { text-align: center; }
.round-cell.right { text-align: right; }
.countdown { font-size: 26px; font-weight: 800; margin: 4px 0 2px; color: var(--accent); font-variant-numeric: tabular-nums; }
.round-id { font-size: 10px; color: var(--muted); }
.amount-row { display: flex; align-items: center; gap: 10px; padding: 10px 4px; }
.amount-row label { font-size: 12px; color: var(--sub); min-width: 60px; }
.amount-row input { flex: 1; background: #fff; border: 1px solid var(--line-strong); color: var(--text); border-radius: 6px; padding: 10px 12px; font-size: 15px; font-variant-numeric: tabular-nums; text-align: right; }
.quick-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; padding: 0 4px; }
.qbtn { background: #fff; border: 1px solid var(--line-strong); color: var(--sub); padding: 6px 0; font-size: 11px; border-radius: 4px; cursor: pointer; }
.qbtn:hover { background: #f4f6f9; color: var(--text); }
.max-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 12px 4px 4px; }
.max-btn { padding: 10px 0; font-size: 13px; font-weight: 700; border-radius: 6px; cursor: pointer; border: 1px solid var(--line-strong); background: #fff; }
.max-btn.long { color: var(--up); }
.max-btn.long:hover { background: var(--up-soft); border-color: var(--up); }
.max-btn.short { color: var(--down); }
.max-btn.short:hover { background: var(--down-soft); border-color: var(--down); }
.bet-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 6px 4px 4px; }
.bet-btn { padding: 22px 0; font-size: 18px; font-weight: 800; letter-spacing: 1px; border-radius: 6px; border: none; cursor: pointer; color: #fff; }
.bet-btn.long { background: var(--up); }
.bet-btn.long:hover { background: var(--up-strong); }
.bet-btn.short { background: var(--down); }
.bet-btn.short:hover { background: var(--down-strong); }
.bet-btn:disabled { background: #d0d5de; color: #8c93a3; cursor: not-allowed; }
.expected { text-align: center; font-size: 12px; color: var(--sub); padding: 10px 4px 4px; font-variant-numeric: tabular-nums; }
.pending-title { text-align: center; padding: 10px 0 6px; border-top: 1px solid var(--line); margin-top: 8px; font-size: 12px; color: var(--muted); }
.pending-head { display: grid; grid-template-columns: 1.2fr 1fr 1fr 0.7fr; gap: 6px; padding: 6px 8px 4px; font-size: 11px; color: var(--muted); }
.pending-body { max-height: 160px; overflow-y: auto; }
.pending-row { display: grid; grid-template-columns: 1.2fr 1fr 1fr 0.7fr; gap: 6px; padding: 6px 8px; font-size: 11px; font-variant-numeric: tabular-nums; border-bottom: 1px solid #f0f2f6; }
.pending-row .side { text-align: center; font-weight: 700; }
.pending-row .side.long, .pending-row .side.win { color: var(--up); }
.pending-row .side.short, .pending-row .side.lose { color: var(--down); }

/* ========= Modal / dropdown ========= */
.modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.4); display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal-body { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 20px; min-width: 360px; max-width: 540px; max-height: 80vh; overflow-y: auto; box-shadow: 0 10px 30px rgba(0,0,0,0.15); }
.modal-title { font-size: 15px; font-weight: 700; margin-bottom: 12px; display: flex; justify-content: space-between; align-items: center; }
.modal-close-x { background: transparent; border: none; font-size: 18px; cursor: pointer; color: var(--muted); }
.symbol-option { padding: 12px 14px; background: #f4f6f9; border-radius: 6px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; border: 1px solid transparent; margin-bottom: 6px; }
.symbol-option:hover { background: #eaeef4; border-color: var(--line-strong); }
.symbol-option .sym-code { font-weight: 700; color: var(--accent); }
.symbol-option .sym-kor { font-size: 12px; color: var(--sub); }

/* Notification list */
.notif-panel { position: absolute; top: 50px; right: 20px; width: 340px; background: #fff; border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 10px 24px rgba(0,0,0,0.12); z-index: 90; }
.notif-panel h3 { margin: 0; padding: 12px 16px; border-bottom: 1px solid var(--line); font-size: 13px; }
.notif-list { max-height: 400px; overflow-y: auto; }
.notif-item { padding: 12px 16px; border-bottom: 1px solid #f0f2f6; cursor: pointer; }
.notif-item:hover { background: #f9fafc; }
.notif-item.unread { background: #fff5ec; }
.notif-item .subj { font-size: 13px; font-weight: 600; margin-bottom: 4px; }
.notif-item .body { font-size: 12px; color: var(--sub); margin-bottom: 4px; }
.notif-item .ts { font-size: 11px; color: var(--muted); }

/* Support tickets */
.ticket-row { display: grid; grid-template-columns: 2fr 100px 140px; gap: 12px; padding: 10px 12px; border-bottom: 1px solid #f0f2f6; cursor: pointer; }
.ticket-row:hover { background: #f9fafc; }
.ticket-row .subj { font-size: 13px; font-weight: 600; }
.ticket-row .ts { font-size: 11px; color: var(--muted); text-align: right; }
.ticket-messages { border: 1px solid var(--line); border-radius: 6px; padding: 12px; max-height: 400px; overflow-y: auto; margin-bottom: 12px; }
.msg { padding: 10px 12px; border-radius: 8px; max-width: 80%; margin-bottom: 8px; font-size: 13px; }
.msg.user  { background: #fff5ec; margin-left: auto; }
.msg.admin { background: #eaeef4; }
.msg .ts { font-size: 10px; color: var(--muted); margin-top: 4px; }

/* Notices */
.notice-item { padding: 12px 0; border-bottom: 1px solid #f0f2f6; }
.notice-item .subj { font-size: 14px; font-weight: 600; margin-bottom: 4px; display: flex; align-items: center; gap: 8px; }
.notice-item .pin { background: var(--accent); color: #fff; font-size: 10px; padding: 2px 6px; border-radius: 3px; }
.notice-item .body { font-size: 13px; color: var(--sub); white-space: pre-wrap; }
.notice-item .ts { font-size: 11px; color: var(--muted); margin-top: 6px; }

/* ========= Responsive ========= */
@media (max-width: 1240px) {
  .trading-layout { grid-template-columns: 1fr; grid-auto-rows: minmax(360px, auto); height: auto; }
}
@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; grid-template-areas: "topbar" "main"; }
  .sidebar { display: none; }
}