*{box-sizing:border-box;margin:0;padding:0;}
:root{
  --bg:#ffffff;--bg2:#f8f8f7;--bg3:#f1f0eb;
  --text:#1a1a1a;--text2:#6b7280;--text3:#9ca3af;
  --border:rgba(0,0,0,0.10);--border2:rgba(0,0,0,0.18);
  --blue:#2563eb;--blue-light:#eff6ff;--blue-dark:#1d4ed8;
  --green:#16a34a;--green-light:#dcfce7;
  --red:#dc2626;--red-light:#fee2e2;
  --amber:#d97706;--purple:#7c3aed;
  --sidebar-w:220px;
  --radius:8px;--radius-lg:12px;--radius-xl:16px;
  --shadow:0 1px 4px rgba(0,0,0,.08);
}
@media(prefers-color-scheme:dark){:root{
  --bg:#1c1c1e;--bg2:#2c2c2e;--bg3:#111113;
  --text:#f2f2f7;--text2:#aeaeb2;--text3:#636366;
  --border:rgba(255,255,255,0.08);--border2:rgba(255,255,255,0.16);
  --blue-light:#1e3a5f;--green-light:#14532d;--red-light:#450a0a;
  --shadow:0 1px 4px rgba(0,0,0,.3);
}}

body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--bg3);color:var(--text);line-height:1.5;}

/* ── AUTH ── */
.auth-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px;background:var(--bg3);}
.auth-box{background:var(--bg);border:0.5px solid var(--border2);border-radius:var(--radius-xl);padding:32px;width:100%;max-width:400px;box-shadow:var(--shadow);}
.auth-logo{display:flex;align-items:center;gap:10px;margin-bottom:24px;justify-content:center;}
.logo-mark{width:28px;height:28px;background:var(--blue);border-radius:7px;position:relative;}
.logo-mark::after{content:'';position:absolute;top:7px;left:7px;width:8px;height:8px;background:#fff;border-radius:2px;box-shadow:0 -6px 0 #fff;}
.logo-mark.sm{width:22px;height:22px;border-radius:5px;}
.logo-mark.sm::after{top:5px;left:5px;width:6px;height:6px;box-shadow:0 -5px 0 #fff;}
.logo-text{font-size:16px;font-weight:600;color:var(--text);}
.auth-tabs{display:flex;gap:2px;background:var(--bg2);border-radius:var(--radius);padding:3px;margin-bottom:20px;}
.atab{flex:1;padding:7px;border:none;background:transparent;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;color:var(--text2);transition:all .15s;}
.atab.active{background:var(--bg);color:var(--text);box-shadow:var(--shadow);}
.auth-form{display:flex;flex-direction:column;gap:14px;}
.field{display:flex;flex-direction:column;gap:5px;}
.field label{font-size:12px;font-weight:500;color:var(--text2);}
.field input,.field select,.field textarea{padding:9px 11px;border:0.5px solid var(--border2);border-radius:var(--radius);background:var(--bg2);color:var(--text);font-size:13px;}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--blue);outline-offset:1px;border-color:transparent;}
.field textarea{resize:vertical;min-height:64px;}
.form-error{background:var(--red-light);color:var(--red);font-size:12px;padding:8px 10px;border-radius:var(--radius);}
.btn-primary{background:var(--blue);color:#fff;border:none;border-radius:var(--radius);padding:10px;font-size:14px;font-weight:500;cursor:pointer;transition:background .15s;width:100%;}
.btn-primary:hover{background:var(--blue-dark);}
.btn-primary:disabled{opacity:.6;cursor:not-allowed;}
.btn-outline{background:transparent;color:var(--text);border:0.5px solid var(--border2);border-radius:var(--radius);padding:7px 14px;font-size:13px;cursor:pointer;transition:all .15s;}
.btn-outline:hover{background:var(--bg2);}
.btn-danger{background:var(--red-light);color:var(--red);border:none;border-radius:var(--radius);padding:7px 14px;font-size:13px;cursor:pointer;}
.btn-sm{padding:5px 10px;font-size:12px;}

/* ── APP LAYOUT ── */
.app{display:flex;min-height:100vh;}
.sidebar{width:var(--sidebar-w);background:var(--bg);border-right:0.5px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;}
.sidebar-top{flex:1;padding:16px 12px;display:flex;flex-direction:column;gap:20px;}
.sidebar-logo{display:flex;align-items:center;gap:8px;padding:4px 8px;}
.sidenav{display:flex;flex-direction:column;gap:2px;}
.navitem{display:flex;align-items:center;gap:10px;padding:9px 10px;border:none;background:transparent;border-radius:var(--radius);font-size:13px;font-weight:500;color:var(--text2);cursor:pointer;width:100%;text-align:left;transition:all .12s;}
.navitem:hover{background:var(--bg2);color:var(--text);}
.navitem.active{background:var(--blue-light);color:var(--blue);}
.sidebar-bottom{padding:12px;border-top:0.5px solid var(--border);}
.user-info{display:flex;align-items:center;gap:8px;margin-bottom:10px;padding:6px;}
.user-avatar{width:32px;height:32px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;flex-shrink:0;}
.user-name{font-size:13px;font-weight:500;color:var(--text);}
.user-email{font-size:11px;color:var(--text2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:140px;}
.logout-btn{width:100%;padding:7px;border:0.5px solid var(--border2);background:transparent;border-radius:var(--radius);font-size:12px;color:var(--text2);cursor:pointer;transition:all .12s;}
.logout-btn:hover{background:var(--red-light);color:var(--red);border-color:var(--red);}
.main-content{margin-left:var(--sidebar-w);flex:1;padding:24px;min-height:100vh;}
.page{display:none;}
.page.active{display:block;}

/* ── CARDS ── */
.card{background:var(--bg);border:0.5px solid var(--border);border-radius:var(--radius-lg);padding:16px 18px;}
.card-title{font-size:11px;font-weight:600;color:var(--text2);text-transform:uppercase;letter-spacing:.07em;margin-bottom:12px;}
.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin-bottom:16px;}
.met{background:var(--bg2);border-radius:var(--radius);padding:12px 14px;}
.met-l{font-size:11px;color:var(--text2);margin-bottom:4px;}
.met-v{font-size:22px;font-weight:600;color:var(--text);}
.met-v.pos{color:var(--green);}
.met-v.neg{color:var(--red);}
.met-v.blue{color:var(--blue);}

/* ── PAGE HEADERS ── */
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:10px;}
.page-title{font-size:20px;font-weight:600;color:var(--text);}
.page-sub{font-size:13px;color:var(--text2);margin-top:2px;}

/* ── STRATEGY CARDS ── */
.strategy-grid{display:grid;gap:12px;}
.strat-card{background:var(--bg);border:0.5px solid var(--border);border-radius:var(--radius-lg);padding:14px 16px;cursor:pointer;transition:border-color .15s;}
.strat-card:hover{border-color:var(--blue);}
.strat-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;}
.strat-name{font-size:14px;font-weight:600;color:var(--text);}
.strat-meta{display:flex;gap:6px;flex-wrap:wrap;}
.pill{font-size:10px;padding:2px 7px;border-radius:20px;background:var(--bg2);color:var(--text2);font-weight:500;}
.pill.blue{background:var(--blue-light);color:var(--blue);}
.strat-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:10px;padding-top:10px;border-top:0.5px solid var(--border);}
.strat-stat{text-align:center;}
.strat-stat-l{font-size:10px;color:var(--text2);}
.strat-stat-v{font-size:13px;font-weight:600;color:var(--text);}
.strat-stat-v.pos{color:var(--green);}
.strat-stat-v.neg{color:var(--red);}
.strat-actions{display:flex;gap:6px;}

/* ── WATCHLIST ── */
.wl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px;}
.wl-card{background:var(--bg);border:0.5px solid var(--border);border-radius:var(--radius-lg);padding:14px;cursor:pointer;transition:border-color .15s;position:relative;}
.wl-card:hover{border-color:var(--blue);}
.wl-sym{font-size:15px;font-weight:600;margin-bottom:2px;}
.wl-price{font-size:13px;color:var(--text2);}
.wl-remove{position:absolute;top:10px;right:10px;background:none;border:none;color:var(--text3);cursor:pointer;font-size:14px;line-height:1;}
.wl-remove:hover{color:var(--red);}

/* ── MODAL ── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:500;display:flex;align-items:center;justify-content:center;padding:16px;}
.modal{background:var(--bg);border-radius:var(--radius-xl);width:100%;max-width:560px;max-height:90vh;overflow-y:auto;box-shadow:0 8px 40px rgba(0,0,0,.2);}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:0.5px solid var(--border);}
.modal-header h3{font-size:16px;font-weight:600;}
.modal-close{background:none;border:none;font-size:18px;color:var(--text2);cursor:pointer;line-height:1;}
.modal-close:hover{color:var(--text);}
#modal-body{padding:20px;}

/* ── STRATEGY EDITOR ── */
.editor-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.editor-grid.full{grid-template-columns:1fr;}
.param-row{display:flex;flex-direction:column;gap:4px;margin-bottom:8px;}
.param-row:last-child{margin-bottom:0;}
.param-label{font-size:12px;color:var(--text);}
.param-controls{display:flex;align-items:center;gap:8px;}
.param-controls input[type=range]{flex:1;accent-color:var(--blue);}
.numbox{width:64px;font-size:12px;padding:4px 6px;border:0.5px solid var(--border2);border-radius:6px;background:var(--bg2);color:var(--text);text-align:center;}
.numbox:focus{outline:2px solid var(--blue);outline-offset:1px;}
.section-divider{font-size:11px;font-weight:600;color:var(--text2);text-transform:uppercase;letter-spacing:.07em;margin:16px 0 10px;padding-top:12px;border-top:0.5px solid var(--border);}
.modal-footer{display:flex;justify-content:flex-end;gap:8px;padding:14px 20px;border-top:0.5px solid var(--border);}

/* ── CHART AREA ── */
.chart-wrap{background:var(--bg);border:0.5px solid var(--border);border-radius:var(--radius-lg);padding:12px 16px;margin-bottom:10px;}
.chart-label{font-size:10px;font-weight:600;color:var(--text2);text-transform:uppercase;letter-spacing:.07em;margin-bottom:8px;}
.legend{display:flex;gap:14px;flex-wrap:wrap;margin-top:6px;}
.li{display:flex;align-items:center;gap:5px;font-size:10px;color:var(--text2);}
.ld{width:12px;height:3px;border-radius:1px;}
.siglog{max-height:150px;overflow-y:auto;display:flex;flex-direction:column;gap:3px;}
.sr{display:flex;align-items:center;gap:7px;font-size:11px;padding:5px 8px;border-radius:6px;}
.sr.buy{background:var(--green-light);color:var(--green);}
.sr.sell{background:var(--red-light);color:var(--red);}
.sbadge{font-size:10px;font-weight:600;padding:1px 6px;border-radius:3px;}
.sr.buy .sbadge{background:var(--green);color:#fff;}
.sr.sell .sbadge{background:var(--red);color:#fff;}
.btn-row-tf{display:flex;gap:5px;flex-wrap:wrap;}
.xbtn{font-size:11px;padding:4px 9px;border-radius:5px;border:0.5px solid var(--border2);background:transparent;color:var(--text2);cursor:pointer;transition:all .12s;}
.xbtn:hover{background:var(--bg2);}
.xbtn.active{background:var(--blue);color:#fff;border-color:var(--blue);font-weight:600;}
.status-bar{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text2);margin-bottom:12px;}
.sdot{width:8px;height:8px;border-radius:50%;background:#9ca3af;flex-shrink:0;}
.sdot.ok{background:var(--green);}
.sdot.loading{background:var(--amber);animation:pulse 1s infinite;}
.sdot.err{background:var(--red);}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.4;}}
.prog-wrap{height:3px;background:var(--bg2);border-radius:2px;overflow:hidden;margin:6px 0;}
.prog-fill{height:100%;background:var(--blue);border-radius:2px;transition:width .25s;}
.info-txt{font-size:10px;color:var(--text2);}
.note-tabs{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:8px;}
.ntab{font-size:11px;padding:3px 9px;border-radius:5px;border:0.5px solid var(--border2);background:transparent;color:var(--text2);cursor:pointer;transition:all .12s;}
.ntab:hover{background:var(--bg2);}
.ntab.active{background:var(--blue-light);color:var(--blue);border-color:var(--blue);}
.note-body{font-size:12px;color:var(--text2);line-height:1.65;background:var(--bg2);border-radius:var(--radius);padding:10px 12px;}
.note-body strong{font-weight:600;color:var(--text);}
.note-body ul{padding-left:16px;margin-top:4px;}
.note-body li{margin-bottom:3px;}
.search-wrap{position:relative;}
.sinput{width:100%;font-size:13px;padding:7px 10px;border:0.5px solid var(--border2);border-radius:8px;background:var(--bg2);color:var(--text);}
.sinput:focus{outline:2px solid var(--blue);outline-offset:1px;}
.cdd{position:absolute;top:calc(100% + 4px);left:0;right:0;background:var(--bg);border:0.5px solid var(--border2);border-radius:8px;max-height:200px;overflow-y:auto;z-index:300;box-shadow:0 4px 20px rgba(0,0,0,.15);}
.ditem{padding:8px 11px;font-size:13px;cursor:pointer;display:flex;justify-content:space-between;}
.ditem:hover{background:var(--bg2);}
.dsym{font-weight:600;}
.dname{font-size:11px;color:var(--text2);}
.hidden{display:none!important;}

/* ── PROFILE ── */
.profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
@media(max-width:700px){.profile-grid{grid-template-columns:1fr;}.editor-grid{grid-template-columns:1fr;}}
.history-table{width:100%;font-size:12px;border-collapse:collapse;}
.history-table th{text-align:left;font-weight:500;color:var(--text2);padding:6px 8px;border-bottom:0.5px solid var(--border);}
.history-table td{padding:7px 8px;border-bottom:0.5px solid var(--border);color:var(--text);}
.history-table tr:last-child td{border-bottom:none;}

/* ── TOAST ── */
.toast{position:fixed;bottom:24px;right:24px;background:var(--text);color:var(--bg);padding:10px 16px;border-radius:var(--radius);font-size:13px;z-index:900;transform:translateY(60px);opacity:0;transition:all .25s;}
.toast.show{transform:translateY(0);opacity:1;}
.toast.success{background:var(--green);}
.toast.error{background:var(--red);}