/* ═══════════════════════════════════════════════════════════════
   NOLY OPTIONS — Premium Sidebar Dashboard
   ═══════════════════════════════════════════════════════════════ */

:root {
  --bg: #080c14; --bg2: #0e1420; --bg3: #131b29;
  --card: #1a2236; --card2: #1f2a3d;
  --border: #263044; --border2: #2e3a52;
  --text: #f2f6fb; --text2: #ccd6e6; --text3: #9fb0c9;
  --accent: #6c63ff; --accent2: #5855e0; --accent-glow: rgba(108,99,255,0.25);
  --green: #00d48a; --green-bg: rgba(0,212,138,0.1);
  --red: #ff4757; --red-bg: rgba(255,71,87,0.1);
  --yellow: #ffa502;
  --sidebar-w: 240px; --sidebar-collapsed: 64px;
  --radius: 12px; --radius-sm: 8px;
  --transition: 0.2s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body { font-family: 'Inter', sans-serif; background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.5; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
.hidden { display: none !important; }
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }

/* LOGIN */
.login-screen { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: radial-gradient(ellipse at 30% 40%, rgba(108,99,255,0.12), transparent 60%), var(--bg); }
.login-card { width: 400px; background: var(--card); border: 1px solid var(--border2); border-radius: 20px; padding: 44px 40px; text-align: center; box-shadow: 0 30px 80px rgba(0,0,0,0.6); }
.login-logo { font-size: 52px; margin-bottom: 10px; filter: drop-shadow(0 0 20px rgba(108,99,255,0.5)); }
.login-title { font-size: 26px; font-weight: 800; letter-spacing: 4px; background: linear-gradient(135deg, #fff, var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 6px; }
.login-sub { color: var(--text3); font-size: 12px; margin-bottom: 32px; }
.input-wrap { position: relative; margin-bottom: 14px; }
.input-icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); font-size: 14px; opacity: 0.5; }
.input-wrap input { width: 100%; padding: 13px 16px 13px 40px; background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); font-size: 14px; outline: none; transition: border var(--transition); font-family: inherit; }
.input-wrap input:focus { border-color: var(--accent); }
.login-card button[type="submit"] { width: 100%; padding: 14px; margin-top: 8px; background: var(--accent); border: none; border-radius: var(--radius-sm); color: white; font-size: 15px; font-weight: 700; cursor: pointer; transition: all var(--transition); font-family: inherit; }
.login-card button[type="submit"]:hover { background: var(--accent2); transform: translateY(-1px); box-shadow: 0 8px 24px var(--accent-glow); }
.error-text { color: var(--red); margin-top: 12px; font-size: 13px; }

/* APP SHELL */
.app { display: flex; height: 100vh; overflow: hidden; }

/* SIDEBAR */
.sidebar { width: var(--sidebar-w); min-width: var(--sidebar-w); background: var(--bg2); border-right: 1px solid var(--border); display: flex; flex-direction: column; transition: width var(--transition), min-width var(--transition); z-index: 100; overflow: hidden; }
.sidebar.collapsed { width: var(--sidebar-collapsed); min-width: var(--sidebar-collapsed); }
.sidebar-header { display: flex; align-items: center; gap: 10px; padding: 20px 16px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.sidebar-logo { font-size: 22px; flex-shrink: 0; filter: drop-shadow(0 0 8px rgba(108,99,255,0.6)); }
.sidebar-title { font-size: 18px; font-weight: 800; letter-spacing: 3px; background: linear-gradient(135deg, #fff, var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; flex: 1; white-space: nowrap; overflow: hidden; transition: opacity var(--transition); }
.sidebar-toggle { background: none; border: 1px solid var(--border); border-radius: 6px; color: var(--text3); width: 26px; height: 26px; cursor: pointer; font-size: 16px; display: flex; align-items: center; justify-content: center; transition: all var(--transition); flex-shrink: 0; }
.sidebar-toggle:hover { border-color: var(--accent); color: var(--accent); }
.sidebar.collapsed .sidebar-toggle { transform: rotate(180deg); }

.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; overflow-x: hidden; }
.nav-item { display: flex; align-items: center; gap: 12px; padding: 12px 16px; color: var(--text2); cursor: pointer; transition: all var(--transition); white-space: nowrap; position: relative; }
.nav-item::before { content: ''; position: absolute; left: 0; top: 20%; bottom: 20%; width: 3px; border-radius: 0 3px 3px 0; background: var(--accent); opacity: 0; transition: opacity var(--transition); }
.nav-item:hover { background: var(--bg3); color: var(--text); }
.nav-item.active { background: rgba(108,99,255,0.12); color: var(--accent); }
.nav-item.active::before { opacity: 1; }
.nav-icon { font-size: 18px; flex-shrink: 0; width: 24px; text-align: center; }
.nav-label { font-size: 14px; font-weight: 500; overflow: hidden; transition: opacity var(--transition); }
.sidebar.collapsed .nav-label { opacity: 0; pointer-events: none; }
.sidebar.collapsed .sidebar-title { opacity: 0; pointer-events: none; }

.sidebar-footer { border-top: 1px solid var(--border); padding: 16px; flex-shrink: 0; }
.system-status { margin-bottom: 12px; }
.status-row { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; overflow: hidden; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; background: var(--text3); transition: background var(--transition); }
.status-dot.running { background: var(--green); box-shadow: 0 0 8px var(--green); animation: pulse 2s infinite; }
.status-dot.error { background: var(--red); }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }
.status-label { font-size: 12px; font-weight: 600; white-space: nowrap; overflow: hidden; }
.mode-pill { background: var(--accent); color: white; font-size: 9px; font-weight: 700; padding: 2px 6px; border-radius: 20px; letter-spacing: 1px; flex-shrink: 0; }
.capital-row, .market-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 4px; overflow: hidden; }
.capital-label, .market-label { font-size: 11px; color: var(--text3); }
.capital-value { font-size: 13px; font-weight: 700; color: var(--green); }
.logout-btn { width: 100%; padding: 9px; background: none; border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text2); font-size: 12px; cursor: pointer; transition: all var(--transition); font-family: inherit; }
.logout-btn:hover { border-color: var(--red); color: var(--red); }
.sidebar.collapsed .system-status, .sidebar.collapsed .logout-btn { display: none; }

/* MAIN CONTENT */
.main-content { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-width: 0; }
.topbar { height: 64px; background: var(--bg2); border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; padding: 0 24px; gap: 16px; flex-shrink: 0; flex-wrap: wrap; }
.topbar-left { display: flex; align-items: center; gap: 16px; }
.page-title { font-size: 18px; font-weight: 700; color: var(--text); }
.mobile-menu-btn { display: none; background: none; border: 1px solid var(--border); border-radius: 8px; color: var(--text2); padding: 6px 10px; cursor: pointer; font-size: 16px; }
.topbar-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.controls { display: flex; gap: 8px; }
.lot-control { display: flex; align-items: center; gap: 8px; background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 4px 10px; }
.lot-control label { font-size: 11px; color: var(--text3); text-transform: uppercase; letter-spacing: 1px; }
.lot-control input { width: 52px; background: none; border: none; color: var(--text); font-size: 14px; font-weight: 600; text-align: center; outline: none; font-family: inherit; }

.stats-bar { display: flex; background: var(--bg3); border-bottom: 1px solid var(--border); overflow-x: auto; flex-shrink: 0; }
.stat-pill { display: flex; flex-direction: column; padding: 10px 24px; border-right: 1px solid var(--border); min-width: 130px; flex-shrink: 0; }
.stat-pill-label { font-size: 10px; color: var(--text2); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 2px; }
.stat-pill-val { font-size: 15px; font-weight: 700; color: var(--text); }
.stat-pill-val.pos { color: var(--green); }
.stat-pill-val.neg { color: var(--red); }

.page-container { flex: 1; overflow-y: auto; padding: 24px; }
.page { display: block; }
.page.hidden { display: none; }

/* CARDS */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; }
.card-title { font-size: 15px; font-weight: 700; margin-bottom: 16px; color: var(--text); }
.card-desc { color: var(--text2); font-size: 13px; margin-bottom: 16px; line-height: 1.6; }
.card-header-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.card-header-row .card-title { margin-bottom: 0; }
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.page-header h3 { font-size: 18px; font-weight: 700; color: var(--text); }
.header-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.section-gap { margin-top: 24px; }

/* BUTTONS */
.btn { padding: 9px 18px; border: none; border-radius: var(--radius-sm); font-size: 13px; font-weight: 600; cursor: pointer; transition: all var(--transition); font-family: inherit; color: white; white-space: nowrap; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-primary { background: var(--accent); }
.btn-primary:hover { background: var(--accent2); box-shadow: 0 4px 16px var(--accent-glow); }
.btn-success { background: var(--green); color: #000; font-weight: 700; }
.btn-danger { background: var(--red); }
.btn-warning { background: var(--yellow); color: #000; font-weight: 700; }
.btn-outline { background: none; border: 1px solid var(--border2); color: var(--text2); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn:hover { transform: translateY(-1px); }

/* TABLES */
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); color: var(--text2); font-size: 11px; text-transform: uppercase; letter-spacing: 1px; font-weight: 700; white-space: nowrap; }
.data-table td { padding: 11px 12px; border-bottom: 1px solid rgba(38,48,68,0.5); white-space: nowrap; color: var(--text); }
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover td { background: var(--card2); }
.empty-row { text-align: center; color: var(--text2); padding: 40px 12px !important; }

.pos { color: var(--green) !important; }
.neg { color: var(--red) !important; }
.dir-buy { color: var(--green); font-weight: 600; }
.dir-sell { color: var(--red); font-weight: 600; }

/* FEED */
.feed-badge { padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.feed-badge.online { background: var(--green-bg); color: var(--green); }
.feed-badge.offline { background: var(--red-bg); color: var(--red); }
.feed-status-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); gap: 16px; }
.feed-label { display: block; font-size: 11px; color: var(--text2); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.feed-val { font-size: 15px; font-weight: 600; color: var(--text); }

/* FORMS */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 11px; color: var(--text2); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; }
.form-input { width: 100%; padding: 10px 14px; background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); font-size: 14px; outline: none; transition: border var(--transition); font-family: inherit; }
.form-input:focus { border-color: var(--accent); }
.filter-select, .filter-input { padding: 7px 10px; background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); font-size: 13px; font-family: inherit; outline: none; }
.autocomplete-wrap { position: relative; }
.autocomplete-menu { position: absolute; top: calc(100% + 6px); left: 0; right: 0; z-index: 20; background: var(--bg2); border: 1px solid var(--border2); border-radius: var(--radius-sm); box-shadow: 0 16px 36px rgba(0,0,0,0.32); overflow: hidden; max-height: 240px; overflow-y: auto; }
.autocomplete-item { width: 100%; padding: 10px 14px; background: transparent; border: none; border-bottom: 1px solid rgba(38,48,68,0.45); color: var(--text); text-align: left; cursor: pointer; font-family: inherit; font-size: 13px; }
.autocomplete-item:last-child { border-bottom: none; }
.autocomplete-item:hover, .autocomplete-item.active { background: var(--card2); color: #fff; }

/* BACKTEST */
.backtest-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 16px; align-items: end; }
.form-group-btn { display: flex; align-items: flex-end; }
.form-group-btn .btn { width: 100%; }
.bt-message { padding: 14px 18px; border-radius: var(--radius-sm); margin-top: 16px; font-size: 13px; font-weight: 500; }
.bt-message.success { background: var(--green-bg); color: var(--green); border: 1px solid rgba(0,212,138,0.2); }
.bt-message.error { background: var(--red-bg); color: var(--red); border: 1px solid rgba(255,71,87,0.2); }
.stats-grid-small { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px,1fr)); gap: 12px; }
.result-stat { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px; }
.result-stat-label { font-size: 11px; color: var(--text2); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.result-stat-val { font-size: 18px; font-weight: 700; color: var(--text); }

/* SETTINGS */
.settings-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px,1fr)); gap: 16px; }
.full-width { grid-column: 1/-1; }
.save-status { margin-top: 10px; font-size: 13px; min-height: 20px; }
.save-status.ok { color: var(--green); }
.save-status.err { color: var(--red); }
.url-item { margin-bottom: 16px; }
.url-item label { display: block; font-size: 11px; color: var(--text2); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; }
.url-code { display: block; background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 14px; font-size: 12px; color: var(--accent); word-break: break-all; }
.readiness-list { list-style: none; }
.readiness-list li { display: flex; align-items: flex-start; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.readiness-list li:last-child { border-bottom: none; }
.ri-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.ri-name { font-weight: 600; font-size: 14px; }
.ri-detail { color: var(--text2); font-size: 12px; margin-top: 2px; }

/* LOGS */
.logs-container { background: var(--bg2); border-radius: var(--radius-sm); padding: 12px; max-height: 600px; overflow-y: auto; font-family: 'Courier New', monospace; font-size: 12px; }
.log-line { padding: 4px 0; border-bottom: 1px solid rgba(255,255,255,0.03); display: flex; gap: 8px; }
.log-time { color: var(--text3); flex-shrink: 0; }
.log-level { flex-shrink: 0; font-weight: 700; min-width: 50px; }
.log-cat { color: var(--accent); flex-shrink: 0; min-width: 55px; }
.log-msg { color: var(--text2); }
.log-line.lvl-ERROR .log-level { color: var(--red); }
.log-line.lvl-WARNING .log-level { color: var(--yellow); }
.log-line.lvl-INFO .log-level { color: var(--green); }
.log-empty { color: var(--text2); text-align: center; padding: 32px; }
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 16px; }
.page-btn { padding: 6px 12px; background: none; border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text2); cursor: pointer; font-family: inherit; transition: all var(--transition); }
.page-btn:hover, .page-btn.active { border-color: var(--accent); color: var(--accent); }

/* MOBILE */
.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 99; }
.sidebar-overlay.visible { display: block; }

@media (max-width: 900px) {
  .sidebar { position: fixed; left: 0; top: 0; bottom: 0; transform: translateX(-100%); transition: transform var(--transition); z-index: 200; }
  .sidebar.mobile-open { transform: translateX(0); width: var(--sidebar-w) !important; min-width: var(--sidebar-w) !important; }
  .mobile-menu-btn { display: flex; }
  .app { display: block; }
  .main-content { height: 100vh; display: flex; flex-direction: column; }
  .topbar { height: auto; padding: 12px 16px; }
  .backtest-form { grid-template-columns: 1fr 1fr; }
  .settings-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .page-container { padding: 16px; }
  .controls .btn { flex: 1; }
  .backtest-form { grid-template-columns: 1fr; }
}