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

:root {
  --bg: #f8f8f6;
  --surface: #ffffff;
  --surface2: #f2f1ed;
  --border: rgba(0,0,0,0.1);
  --border2: rgba(0,0,0,0.18);
  --text: #1a1a18;
  --text2: #6b6b67;
  --text3: #a0a09b;
  --green: #1D9E75; --green-bg: #E1F5EE; --green-text: #085041;
  --red: #D85A30; --red-bg: #FAECE7; --red-text: #4A1B0C;
  --blue: #378ADD; --blue-bg: #E6F1FB; --blue-text: #0C447C;
  --amber: #BA7517; --amber-bg: #FAEEDA; --amber-text: #412402;
  --purple: #7F77DD; --purple-bg: #EEEDFE; --purple-text: #26215C;
  --radius: 10px; --radius-sm: 6px;
  --font: -apple-system, 'Segoe UI', sans-serif;
  --mono: 'SF Mono', 'Fira Code', monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #18181a; --surface: #222224; --surface2: #2a2a2c;
    --border: rgba(255,255,255,0.1); --border2: rgba(255,255,255,0.18);
    --text: #f0f0ee; --text2: #9a9a96; --text3: #5a5a57;
    --green: #5DCAA5; --green-bg: #04342C; --green-text: #9FE1CB;
    --red: #F0997B; --red-bg: #4A1B0C; --red-text: #F5C4B3;
    --blue: #85B7EB; --blue-bg: #042C53; --blue-text: #B5D4F4;
    --amber: #EF9F27; --amber-bg: #412402; --amber-text: #FAC775;
    --purple: #AFA9EC; --purple-bg: #26215C; --purple-text: #CECBF6;
  }
}

body { font-family: var(--font); background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.5; min-height: 100vh; }

/* Layout */
.app { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.sidebar { background: var(--surface); border-right: 0.5px solid var(--border); padding: 0; display: flex; flex-direction: column; }
.main { overflow: auto; }

/* Sidebar */
.sidebar-logo { padding: 20px 18px 16px; border-bottom: 0.5px solid var(--border); }
.logo-text { font-size: 16px; font-weight: 600; letter-spacing: -0.3px; }
.logo-sub { font-size: 11px; color: var(--text3); margin-top: 2px; }
.nav { padding: 12px 10px; flex: 1; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: var(--radius-sm); cursor: pointer; font-size: 13px; color: var(--text2); margin-bottom: 2px; transition: all 0.12s; }
.nav-item:hover { background: var(--surface2); color: var(--text); }
.nav-item.active { background: var(--surface2); color: var(--text); font-weight: 500; }
.nav-icon { width: 16px; height: 16px; opacity: 0.7; flex-shrink: 0; }
.sync-btn { margin: 0 10px 16px; padding: 9px 14px; background: var(--text); color: var(--bg); border: none; border-radius: var(--radius-sm); font-size: 12px; font-weight: 500; cursor: pointer; display: flex; align-items: center; gap: 8px; transition: opacity 0.12s; width: calc(100% - 20px); }
.sync-btn:hover { opacity: 0.85; }
.sync-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.sync-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); flex-shrink: 0; }
.sync-dot.pulsing { animation: pulse 1.2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* Main header */
.page-header { padding: 24px 28px 0; display: flex; align-items: center; justify-content: space-between; }
.page-title { font-size: 20px; font-weight: 600; letter-spacing: -0.3px; }
.page-meta { font-size: 12px; color: var(--text3); margin-top: 3px; }
.header-actions { display: flex; gap: 8px; }
.btn-sm { padding: 7px 14px; border: 0.5px solid var(--border2); border-radius: var(--radius-sm); background: transparent; color: var(--text2); font-size: 12px; cursor: pointer; transition: all 0.12s; }
.btn-sm:hover { background: var(--surface2); color: var(--text); }

/* Stats bar */
.stats-bar { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; padding: 20px 28px; }
.stat-card { background: var(--surface); border: 0.5px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.stat-label { font-size: 11px; color: var(--text3); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.stat-value { font-size: 22px; font-weight: 600; letter-spacing: -0.5px; }
.stat-value.up { color: var(--green); }
.stat-value.down { color: var(--red); }
.stat-sub { font-size: 11px; color: var(--text3); margin-top: 3px; }

/* Chart strip */
.chart-area { padding: 0 28px 20px; }
.chart-card { background: var(--surface); border: 0.5px solid var(--border); border-radius: var(--radius); padding: 16px 20px; }
.chart-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.chart-title { font-size: 13px; font-weight: 500; }
canvas { width: 100%; }

/* Trade log */
.trade-log { padding: 0 28px 28px; }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.section-title { font-size: 13px; font-weight: 500; }
.filter-row { display: flex; gap: 6px; }
.filter-btn { padding: 4px 10px; border: 0.5px solid var(--border); border-radius: 20px; background: transparent; font-size: 11px; color: var(--text2); cursor: pointer; }
.filter-btn.active { background: var(--text); color: var(--bg); border-color: var(--text); }

table { width: 100%; border-collapse: collapse; background: var(--surface); border: 0.5px solid var(--border); border-radius: var(--radius); overflow: hidden; }
thead th { font-size: 11px; font-weight: 500; color: var(--text3); text-transform: uppercase; letter-spacing: 0.5px; padding: 10px 14px; text-align: left; border-bottom: 0.5px solid var(--border); background: var(--surface2); }
tbody tr { border-bottom: 0.5px solid var(--border); transition: background 0.1s; cursor: pointer; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--surface2); }
tbody td { padding: 11px 14px; font-size: 13px; }
.side-badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; letter-spacing: 0.3px; }
.side-long { background: var(--green-bg); color: var(--green-text); }
.side-short { background: var(--red-bg); color: var(--red-text); }
.pnl-pos { color: var(--green); font-weight: 500; font-variant-numeric: tabular-nums; }
.pnl-neg { color: var(--red); font-weight: 500; font-variant-numeric: tabular-nums; }
.symbol { font-family: var(--mono); font-size: 12px; font-weight: 600; }
.note-cell { max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text2); font-size: 12px; }
.tag { display: inline-block; padding: 1px 7px; border-radius: 3px; font-size: 10px; font-weight: 500; margin-right: 3px; background: var(--surface2); color: var(--text2); border: 0.5px solid var(--border); }

/* Modal */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.45); z-index: 100; align-items: center; justify-content: center; }
.modal-overlay.open { display: flex; }
.modal { background: var(--surface); border-radius: var(--radius); border: 0.5px solid var(--border2); width: 520px; max-width: 95vw; max-height: 90vh; overflow: auto; }
.modal-header { padding: 18px 20px 14px; border-bottom: 0.5px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.modal-title { font-size: 15px; font-weight: 600; }
.modal-close { background: none; border: none; cursor: pointer; color: var(--text3); font-size: 18px; padding: 0 4px; line-height: 1; }
.modal-body { padding: 20px; }
.modal-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 14px; }
.field-group { display: flex; flex-direction: column; gap: 5px; }
.field-label { font-size: 11px; color: var(--text3); font-weight: 500; text-transform: uppercase; letter-spacing: 0.4px; }
.field-value { font-size: 14px; font-weight: 500; }
textarea { width: 100%; border: 0.5px solid var(--border2); border-radius: var(--radius-sm); padding: 10px 12px; font-family: var(--font); font-size: 13px; background: var(--bg); color: var(--text); resize: vertical; min-height: 90px; outline: none; }
textarea:focus { border-color: var(--blue); }
.emotion-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.emotion-btn { padding: 5px 12px; border: 0.5px solid var(--border); border-radius: 20px; background: transparent; font-size: 12px; color: var(--text2); cursor: pointer; }
.emotion-btn.sel { background: var(--purple-bg); color: var(--purple-text); border-color: var(--purple); }
.tag-input { width: 100%; border: 0.5px solid var(--border2); border-radius: var(--radius-sm); padding: 8px 12px; font-family: var(--font); font-size: 13px; background: var(--bg); color: var(--text); outline: none; }
.modal-footer { padding: 14px 20px 18px; display: flex; justify-content: flex-end; gap: 8px; border-top: 0.5px solid var(--border); }
.btn-primary { padding: 8px 18px; background: var(--text); color: var(--bg); border: none; border-radius: var(--radius-sm); font-size: 13px; font-weight: 500; cursor: pointer; }
.btn-secondary { padding: 8px 18px; background: transparent; color: var(--text2); border: 0.5px solid var(--border2); border-radius: var(--radius-sm); font-size: 13px; cursor: pointer; }

/* Sync log */
.sync-log { padding: 6px 18px 12px; }
.sync-line { font-size: 11px; color: var(--text3); font-family: var(--mono); padding: 1px 0; }
.sync-line.ok { color: var(--green); }
.sync-line.err { color: var(--red); }

/* Setup panel */
.setup-panel { padding: 28px; max-width: 520px; }
.setup-title { font-size: 18px; font-weight: 600; margin-bottom: 6px; }
.setup-sub { color: var(--text2); font-size: 13px; margin-bottom: 24px; line-height: 1.6; }
.form-group { margin-bottom: 16px; }
.form-label { font-size: 12px; font-weight: 500; color: var(--text2); margin-bottom: 6px; display: block; }
input[type=text], input[type=password], input[type=number] { width: 100%; padding: 9px 12px; border: 0.5px solid var(--border2); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); font-size: 13px; font-family: var(--font); outline: none; }
input:focus { border-color: var(--blue); }
.form-hint { font-size: 11px; color: var(--text3); margin-top: 4px; }
.env-toggle { display: flex; gap: 6px; margin-bottom: 16px; }
.env-btn { flex: 1; padding: 8px; border: 0.5px solid var(--border2); border-radius: var(--radius-sm); background: transparent; font-size: 12px; color: var(--text2); cursor: pointer; text-align: center; }
.env-btn.active { background: var(--blue-bg); color: var(--blue-text); border-color: var(--blue); font-weight: 500; }

/* Page sections */
.page { display: none; }
.page.active { display: block; }

/* Analytics page */
.analytics-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding: 20px 28px 28px; }
.an-card { background: var(--surface); border: 0.5px solid var(--border); border-radius: var(--radius); padding: 16px 20px; }
.an-card-title { font-size: 12px; font-weight: 500; color: var(--text3); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 14px; }
.day-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 3px; }
.day-cell { aspect-ratio: 1; border-radius: 3px; background: var(--surface2); border: 0.5px solid var(--border); }
.day-cell.win { background: var(--green-bg); border-color: var(--green); }
.day-cell.loss { background: var(--red-bg); border-color: var(--red); }
.day-cell.mixed { background: var(--amber-bg); border-color: var(--amber); }
.bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.bar-label { font-size: 12px; color: var(--text2); width: 80px; flex-shrink: 0; font-family: var(--mono); }
.bar-track { flex: 1; height: 8px; background: var(--surface2); border-radius: 4px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 4px; }
.bar-val { font-size: 12px; font-weight: 500; min-width: 50px; text-align: right; font-variant-numeric: tabular-nums; }