/* ══════════════════════════════════════════
   聚点 Nucleus — Theme & Shared Components
   ══════════════════════════════════════════ */

/* ── Design Tokens ── */
:root {
  --ease-out: cubic-bezier(0.32, 0.72, 0, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  --bg: #FFFFFF;
  --panel: #FFFFFF;
  --text: #0F172A;
  --text2: #556577;
  --text3: #7B8A9E;
  --border: #E2E8F0;
  --accent: #7C3AED;
  --accent-hover: #6D28D9;
  --accent-light: rgba(124,58,237,0.06);
  --accent-glow: rgba(124,58,237,0.12);
  --green: #10B981;
  --green-light: rgba(16,185,129,0.08);
  --red: #EF4444;
  --red-light: rgba(239,68,68,0.08);
  --orange: #F59E0B;
  --orange-light: rgba(245,158,11,0.08);
  --blue: #3B82F6;
  --blue-light: rgba(59,130,246,0.08);
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.04);
  --shadow: 0 2px 8px 0 rgba(0,0,0,0.06), 0 1px 3px -1px rgba(0,0,0,0.04);
  --shadow-md: 0 6px 14px -2px rgba(0,0,0,0.08), 0 2px 6px -2px rgba(0,0,0,0.04);
  --shadow-lg: 0 16px 28px -6px rgba(0,0,0,0.1), 0 6px 12px -6px rgba(0,0,0,0.06);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-full: 9999px;
  --top-h: 48px;
  --bot-h: 40px;
}

/* ── Theme Overrides ── */
html.bloomberg-theme {
  --bg: #F1F5F9;
  --panel: #F8FAFC;
  --text: #0F172A;
  --text2: #556577;
  --text3: #7B8A9E;
  --border: #E2E8F0;
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.04);
  --shadow: 0 2px 8px 0 rgba(0,0,0,0.06), 0 1px 3px -1px rgba(0,0,0,0.04);
  --shadow-md: 0 6px 14px -2px rgba(0,0,0,0.08), 0 2px 6px -2px rgba(0,0,0,0.04);
  --shadow-lg: 0 16px 28px -6px rgba(0,0,0,0.1), 0 6px 12px -6px rgba(0,0,0,0.06);
}

html.light-theme {
  --bg: #FFFFFF;
  --panel: #FFFFFF;
  --text: #0F172A;
  --text2: #556577;
  --text3: #7B8A9E;
  --border: #E2E8F0;
  --shadow-sm: 0 1px 3px 0 rgba(0,0,0,0.04);
  --shadow: 0 2px 8px 0 rgba(0,0,0,0.06);
  --shadow-md: 0 6px 14px -2px rgba(0,0,0,0.06);
  --shadow-lg: 0 16px 28px -6px rgba(0,0,0,0.08);
}

html.github-theme {
  --bg: #0D1117;
  --panel: #161B22;
  --text: #C9D1D9;
  --text2: #8B949E;
  --text3: #484F58;
  --border: #30363D;
  --accent-light: rgba(124,58,237,0.15);
  --accent-glow: rgba(124,58,237,0.25);
  --green-light: rgba(48,219,91,0.12);
  --red-light: rgba(255,71,67,0.12);
  --orange-light: rgba(255,165,0,0.12);
  --blue-light: rgba(88,166,255,0.12);
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.2);
  --shadow: 0 2px 8px 0 rgba(0,0,0,0.3);
  --shadow-md: 0 6px 14px -2px rgba(0,0,0,0.3);
  --shadow-lg: 0 16px 28px -6px rgba(0,0,0,0.4);
}

/* ── Reset & Base ── */
*,*:after,*:before{margin:0;padding:0;box-sizing:border-box}
html,body{width:100%;height:100%;overflow:hidden;background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased}

/* ── Dot Grid Background ── */
body::before{content:'';position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:-1;
  background-image:radial-gradient(circle,var(--border) 1px,transparent 1px);
  background-size:24px 24px;opacity:0.4}

/* ── Logo ── */
.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:2px;color:var(--text);text-decoration:none}
.logo .mark{width:28px;height:28px;color:var(--accent);flex-shrink:0}
.logo .name-group{display:flex;flex-direction:column;line-height:1.2}
.logo .name{font-weight:700;font-size:18px;letter-spacing:2px;color:var(--text)}
.logo .subtitle{font-size:10px;color:var(--text3);letter-spacing:1px;font-weight:500}

/* ── Top Bar ── */
#top-bar{height:var(--top-h);display:flex;align-items:center;justify-content:space-between;padding:0 28px;background:linear-gradient(180deg,var(--panel) 0%,var(--bg) 100%);border-bottom:1px solid var(--border);z-index:10;position:relative}

/* ── Top Right Area ── */
.top-right{display:flex;align-items:center;gap:16px;font-size:13px;color:var(--text2)}

/* ── Clock ── */
.clock{color:var(--text2);letter-spacing:1px;min-width:72px;font-size:13px;font-weight:400;font-variant-numeric:tabular-nums}

/* ── Top Bar Info ── */
.top-bar-info{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text2)}
.top-bar-info .sep{color:var(--text3);font-size:11px;user-select:none}
.top-bar-info .username{font-weight:500;color:var(--text)}
.top-bar-info .logout{display:inline-flex;align-items:center;gap:4px;color:var(--text2);text-decoration:none;cursor:pointer;padding:4px 10px;border-radius:6px;font-weight:500;font-size:12px;border:1.5px solid var(--border);background:var(--bg);transition:all 0.15s}
.top-bar-info .logout:hover{background:var(--accent-light);color:var(--accent);border-color:var(--accent)}

/* ── Theme Toggle ── */

/* ── Navigation Links ── */
.nav-link{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;font-size:13px;font-weight:500;color:var(--text2);text-decoration:none;border-radius:8px;transition:all 0.2s ease;white-space:nowrap;border:1.5px solid var(--border);background:var(--bg)}
.nav-link:hover{background:var(--accent-light);color:var(--accent);transform:translateY(-1px);font-weight:500}
.nav-link:active{transform:translateY(0)}
.nav-link.active{background:var(--accent-light);color:var(--accent);font-weight:500;border-color:var(--accent)}
.nav-link svg{width:16px;height:16px;flex-shrink:0;display:block}

/* ── Dash Link (alias for nav-link) ── */
.dash-link,.nav-link{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;font-size:13px;font-weight:500;color:var(--text2);text-decoration:none;border-radius:8px;transition:all 0.2s ease;white-space:nowrap;border:1.5px solid var(--border);background:var(--bg)}
.dash-link:hover,.nav-link:hover{background:var(--accent-light);color:var(--accent);transform:translateY(-1px);font-weight:500}

/* ── Nav Link Button (for auth buttons) ── */
.nav-link-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;font-size:13px;font-weight:500;color:var(--text2);text-decoration:none;border-radius:8px;transition:all 0.2s ease;white-space:nowrap;border:1.5px solid var(--border);background:var(--bg);cursor:pointer}
.nav-link-btn:hover{background:var(--accent-light);color:var(--accent);border-color:var(--accent);transform:translateY(-1px)}

/* ── Panel Card ── */
.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);position:relative;overflow:hidden;transition:all 0.35s cubic-bezier(0.4,0,0.2,1)}
.panel:hover{border-color:var(--accent);box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.panel-title{display:flex;align-items:center;gap:10px;padding:16px 20px;font-size:14px;font-weight:700;color:var(--accent);letter-spacing:0.5px;border-bottom:1px solid var(--border);background:linear-gradient(180deg,var(--panel),var(--bg))}
.panel-title .badge{font-size:11px;color:var(--text2);background:var(--bg);padding:2px 12px;border-radius:var(--radius-full);border:1px solid var(--border);margin-left:auto;font-weight:600}

/* ── Accent Bar Pulse ── */
@keyframes accentPulse{0%,100%{opacity:1}50%{opacity:0.6}}

/* ── Basic Buttons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border:none;border-radius:var(--radius-sm);font-size:13px;font-weight:600;cursor:pointer;font-family:var(--font);transition:all 0.2s;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover)}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text2)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm{padding:4px 10px;font-size:12px}
.btn:disabled{opacity:0.4;cursor:not-allowed}

/* ── Toast ── */
.toast{position:fixed;top:24px;right:24px;background:var(--accent);color:#fff;padding:16px 32px;border-radius:var(--radius);font-size:15px;font-weight:700;transform:translateY(-20px);opacity:0;transition:all 0.4s cubic-bezier(0.34,1.56,0.64,1);z-index:999;pointer-events:none;box-shadow:var(--shadow-lg)}
.toast.show{transform:translateY(0);opacity:1}
.toast.warn{background:var(--red)}

/* ── Scrollbar ── */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--text3);border-radius:var(--radius-full)}
::-webkit-scrollbar-thumb:hover{background:var(--text2)}

/* ── Reduced Motion ── */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:0.01ms!important;animation-iteration-count:1!important;transition-duration:0.01ms!important}
}