/* ═══════════════════════════════════════════
   DASH Pro — 专业加密货币信号系统  v3.0
   Design System: Clean · Precise · Professional
   ═══════════════════════════════════════════ */

:root {
  /* ── Core Palette ── */
  --bg-deep:     #080c14;
  --bg-primary:  #0d1117;
  --bg-elevated: #131820;
  --bg-surface:  #1a1f2e;
  --bg-hover:    #212a3a;

  /* ── Text ── */
  --text-primary:    #e6edf3;
  --text-secondary:  #8b949e;
  --text-tertiary:   #57606a;
  --text-inverse:    #0d1117;

  /* ── Accent System ── */
  --accent:           #00d4aa;
  --accent-hover:     #00e6b8;
  --accent-dim:       rgba(0,212,170,.12);
  --accent-glow:      rgba(0,212,170,.25);
  --accent-gradient:  linear-gradient(135deg, #00d4aa 0%, #00a3d4 50%, #7c3aed 100%);

  /* ── Semantic Colors ── */
  --green:      #3fb950;
  --green-dim:  rgba(63,185,80,.12);
  --red:        #f85149;
  --red-dim:    rgba(248,81,73,.12);
  --yellow:     #d29922;
  --yellow-dim: rgba(210,153,34,.12);
  --blue:       #58a6ff;
  --blue-dim:   rgba(88,166,255,.12);
  --purple:     #a371f7;
  --purple-dim: rgba(163,113,247,.12);
  --orange:     #f0883e;
  --orange-dim: rgba(240,136,62,.12);

  /* ── Borders & Shadows ── */
  --border-subtle:   rgba(255,255,255,.06);
  --border-default:  rgba(255,255,255,.10);
  --border-strong:   rgba(255,255,255,.16);
  --shadow-sm:  0 1px 3px rgba(0,0,0,.4);
  --shadow-md:  0 4px 12px rgba(0,0,0,.5);
  --shadow-lg:  0 8px 32px rgba(0,0,0,.6);
  --shadow-xl:  0 16px 48px rgba(0,0,0,.7);
  --shadow-accent: 0 0 24px var(--accent-glow);

  /* ── Radius ── */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;

  /* ── Typography ── */
  --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', 'Consolas', monospace;

  /* ── Transitions ── */
  --ease-out: cubic-bezier(.16,1,.3,1);
  --ease-in-out: cubic-bezier(.65,0,.35,1);
  --duration-fast: .15s;
  --duration-normal: .25s;
  --duration-slow: .4s;

  /* ── Layout ── */
  --header-h: 56px;
  --sidebar-w: 240px;
  --max-width: 1400px;
}

/* ═══════════════════════════════════════════
   RESET & BASE
   ═══════════════════════════════════════════ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  background:var(--bg-deep);
  color:var(--text-primary);
  line-height:1.6;
  min-height:100vh;
  overflow-x:hidden;
}
a{color:var(--accent);text-decoration:none;transition:color var(--duration-fast)}
a:hover{color:var(--accent-hover)}
img,svg{display:block;max-width:100%}
button{cursor:pointer;font-family:inherit}
input,select,textarea{font-family:inherit}

/* Scrollbar */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}

/* ═══════════════════════════════════════════
   BACKGROUND AMBIENCE
   ═══════════════════════════════════════════ */
.bg-ambient{
  position:fixed;top:0;left:0;width:100%;height:100%;
  pointer-events:none;z-index:0;overflow:hidden;
}
.bg-ambient::before{
  content:'';
  position:absolute;top:-50%;left:-50%;width:200%;height:200%;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(0,212,170,.03) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(124,58,237,.03) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(0,163,212,.02) 0%, transparent 50%);
  animation: ambientShift 20s ease-in-out infinite;
}
@keyframes ambientShift{
  0%,100%{transform:translate(0,0)}
  33%{transform:translate(2%,-1%)}
  66%{transform:translate(-1%,2%)}
}

/* ═══════════════════════════════════════════
   LOGO
   ═══════════════════════════════════════════ */
.logo-mark{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:700;font-size:1.25rem;letter-spacing:-0.3px;
  color:var(--text-primary);user-select:none;
}
.logo-mark svg{width:34px;height:34px;flex-shrink:0}
.logo-mark .accent{background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.logo-icon-wrap{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--radius-lg);
  background:var(--accent-gradient);
  box-shadow:0 4px 20px var(--accent-glow);
  flex-shrink:0;
}
.logo-icon-wrap svg{width:24px;height:24px}
.logo-icon-wrap.lg{width:72px;height:72px;border-radius:var(--radius-xl)}
.logo-icon-wrap.lg svg{width:40px;height:40px}

/* ═══════════════════════════════════════════
   HEADER / NAV
   ═══════════════════════════════════════════ */
.app-header{
  position:sticky;top:0;z-index:50;
  height:var(--header-h);
  background:rgba(13,17,23,.85);
  backdrop-filter:blur(20px) saturate(180%);
  border-bottom:1px solid var(--border-subtle);
  display:flex;align-items:center;padding:0 24px;
  gap:16px;
}
.header-left{display:flex;align-items:center;gap:12px;flex:1}
.header-nav{display:flex;align-items:center;gap:2px}
.header-nav a{
  padding:7px 14px;border-radius:var(--radius-md);
  font-size:.85rem;font-weight:500;color:var(--text-secondary);
  transition:all var(--duration-fast);
  white-space:nowrap;
}
.header-nav a:hover{color:var(--text-primary);background:var(--bg-hover)}
.header-nav a.active{color:var(--accent);background:var(--accent-dim);font-weight:600}
.header-right{display:flex;align-items:center;gap:12px}
.user-pill{
  display:flex;align-items:center;gap:8px;
  padding:6px 14px 6px 6px;
  background:var(--bg-surface);border-radius:999px;
  border:1px solid var(--border-subtle);
  font-size:.82rem;color:var(--text-secondary);
  transition:all var(--duration-fast);
}
.user-pill:hover{border-color:var(--border-default)}
.user-avatar{
  width:30px;height:30px;border-radius:50%;
  background:var(--accent-gradient);
  display:flex;align-items:center;justify-content:center;
  font-size:.75rem;font-weight:700;color:#fff;
}
.status-indicator{
  display:flex;align-items:center;gap:6px;
  font-size:.75rem;color:var(--text-tertiary);
}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--green)}
.status-dot.pulse{animation:dotPulse 2s ease-in-out infinite}
@keyframes dotPulse{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(63,185,80,.4)}50%{opacity:.5;box-shadow:0 0 0 6px rgba(63,185,80,0)}}

/* Mobile nav */
.mobile-nav{
  display:none;
  position:fixed;bottom:0;left:0;right:0;z-index:50;
  background:rgba(13,17,23,.95);
  backdrop-filter:blur(20px);
  border-top:1px solid var(--border-subtle);
  padding:8px 12px env(safe-area-inset-bottom,8px);
}
.mobile-nav a{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;
  font-size:.68rem;color:var(--text-tertiary);padding:6px 4px;
  border-radius:var(--radius-sm);transition:all var(--duration-fast);
}
.mobile-nav a svg{width:20px;height:20px}
.mobile-nav a.active{color:var(--accent)}
@media(max-width:768px){
  .header-nav{display:none}
  .mobile-nav{display:flex}
  .app-header{padding:0 16px}
  body{padding-bottom:70px}
}

/* ═══════════════════════════════════════════
   MAIN LAYOUT
   ═══════════════════════════════════════════ */
.app-container{max-width:var(--max-width);margin:0 auto;padding:24px;position:relative;z-index:1}
.page-title{
  font-size:1.5rem;font-weight:700;margin-bottom:4px;
  letter-spacing:-0.3px;
}
.page-subtitle{font-size:.85rem;color:var(--text-secondary);margin-bottom:24px}

/* ═══════════════════════════════════════════
   STAT BAR (top summary row)
   ═══════════════════════════════════════════ */
.stat-bar{
  display:flex;gap:12px;margin-bottom:24px;
  flex-wrap:wrap;
}
.stat-item{
  flex:1;min-width:160px;
  background:var(--bg-elevated);
  border:1px solid var(--border-subtle);
  border-radius:var(--radius-lg);padding:16px 20px;
  transition:all var(--duration-fast);
}
.stat-item:hover{border-color:var(--border-default);box-shadow:var(--shadow-md)}
.stat-label{font-size:.75rem;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}
.stat-value{font-size:1.5rem;font-weight:700;font-variant-numeric:tabular-nums}
.stat-change{font-size:.78rem;margin-top:2px}
.stat-change.up{color:var(--green)}
.stat-change.down{color:var(--red)}

/* ═══════════════════════════════════════════
   CARD SYSTEM
   ═══════════════════════════════════════════ */
.card{
  background:var(--bg-elevated);
  border:1px solid var(--border-subtle);
  border-radius:var(--radius-xl);
  transition:all var(--duration-normal) var(--ease-out);
  overflow:hidden;
}
.card:hover{border-color:var(--border-default)}
.card-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;
  border-bottom:1px solid var(--border-subtle);
  gap:12px;
}
.card-title{
  font-size:.95rem;font-weight:600;
  display:flex;align-items:center;gap:8px;
}
.card-title .icon{color:var(--accent)}
.card-body{padding:20px}
.card-footer{
  padding:12px 20px;
  border-top:1px solid var(--border-subtle);
  background:var(--bg-primary);
}

/* Highlight Card */
.card.accent-border{border-color:var(--accent);box-shadow:var(--shadow-accent)}

/* ═══════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:10px 20px;border:none;border-radius:var(--radius-md);
  font-size:.85rem;font-weight:600;
  transition:all var(--duration-fast) var(--ease-out);
  white-space:nowrap;position:relative;overflow:hidden;
}
.btn::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,transparent 0%,rgba(255,255,255,.1) 50%,transparent 100%);
  opacity:0;transition:opacity var(--duration-fast);
}
.btn:hover::after{opacity:1}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{
  background:var(--accent-gradient);color:#fff;
  box-shadow:0 2px 12px var(--accent-glow);
}
.btn-primary:hover{box-shadow:0 4px 20px var(--accent-glow)}
.btn-outline{
  background:transparent;border:1px solid var(--border-strong);color:var(--text-primary);
}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}
.btn-ghost{
  background:transparent;color:var(--text-secondary);
}
.btn-ghost:hover{background:var(--bg-hover);color:var(--text-primary)}
.btn-sm{padding:6px 12px;font-size:.78rem}
.btn-lg{padding:14px 28px;font-size:.95rem}
.btn-icon{padding:8px;min-width:36px;min-height:36px}
.btn-danger{background:var(--red);color:#fff}
.btn-success{background:var(--green);color:#fff}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}

/* ═══════════════════════════════════════════
   BADGES & TAGS
   ═══════════════════════════════════════════ */
.badge{
  display:inline-flex;align-items:center;gap:4px;
  padding:3px 10px;border-radius:999px;
  font-size:.72rem;font-weight:600;white-space:nowrap;
}
.badge-green{background:var(--green-dim);color:var(--green)}
.badge-red{background:var(--red-dim);color:var(--red)}
.badge-yellow{background:var(--yellow-dim);color:var(--yellow)}
.badge-blue{background:var(--blue-dim);color:var(--blue)}
.badge-purple{background:var(--purple-dim);color:var(--purple)}
.badge-accent{background:var(--accent-dim);color:var(--accent)}

/* ═══════════════════════════════════════════
   FORM ELEMENTS
   ═══════════════════════════════════════════ */
.form-group{margin-bottom:18px}
.form-label{display:block;font-size:.8rem;font-weight:500;color:var(--text-secondary);margin-bottom:6px}
.form-label .required{color:var(--red);margin-left:2px}
.form-input,.form-select,.form-textarea{
  width:100%;padding:10px 14px;
  background:var(--bg-primary);
  border:1px solid var(--border-default);
  border-radius:var(--radius-md);
  color:var(--text-primary);font-size:.9rem;
  transition:all var(--duration-fast);
  outline:none;
}
.form-input:focus,.form-select:focus,.form-textarea:focus{
  border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim);
}
.form-input::placeholder{color:var(--text-tertiary)}
.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238b949e'%3E%3Cpath d='M6 8L0 0h12z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}
.form-hint{font-size:.75rem;color:var(--text-tertiary);margin-top:4px}
.form-error{font-size:.78rem;color:var(--red);margin-top:4px}

/* ═══════════════════════════════════════════
   TABLE
   ═══════════════════════════════════════════ */
.data-table{width:100%;border-collapse:collapse;font-size:.85rem}
.data-table th{
  text-align:left;padding:10px 16px;
  color:var(--text-tertiary);font-weight:600;font-size:.75rem;
  text-transform:uppercase;letter-spacing:.5px;
  border-bottom:1px solid var(--border-subtle);
  white-space:nowrap;
}
.data-table td{
  padding:12px 16px;
  border-bottom:1px solid var(--border-subtle);
  color:var(--text-primary);white-space:nowrap;
}
.data-table tbody tr{transition:background var(--duration-fast)}
.data-table tbody tr:hover{background:var(--bg-hover)}
.data-table .mono{font-family:var(--font-mono);font-size:.82rem}

/* ═══════════════════════════════════════════
   PROGRESS BAR
   ═══════════════════════════════════════════ */
.progress{height:6px;background:var(--bg-hover);border-radius:3px;overflow:hidden}
.progress-fill{height:100%;border-radius:3px;transition:width .6s var(--ease-out)}
.progress-fill.green{background:var(--green)}
.progress-fill.red{background:var(--red)}
.progress-fill.yellow{background:var(--yellow)}
.progress-fill.accent{background:var(--accent-gradient)}
.progress-label{display:flex;justify-content:space-between;font-size:.72rem;color:var(--text-secondary);margin-top:4px}

/* ═══════════════════════════════════════════
   TOOLTIP
   ═══════════════════════════════════════════ */
[data-tooltip]{position:relative;cursor:help}
[data-tooltip]::after{
  content:attr(data-tooltip);
  position:absolute;bottom:calc(100% + 8px);left:50%;transform:translateX(-50%);
  padding:6px 12px;background:var(--bg-hover);color:var(--text-primary);
  font-size:.72rem;border-radius:var(--radius-sm);white-space:nowrap;
  pointer-events:none;opacity:0;transition:opacity .15s;
  border:1px solid var(--border-default);
}
[data-tooltip]:hover::after{opacity:1}

/* ═══════════════════════════════════════════
   ALERT / TOAST
   ═══════════════════════════════════════════ */
.alert{
  padding:12px 16px;border-radius:var(--radius-md);
  font-size:.85rem;display:flex;align-items:flex-start;gap:10px;
  margin-bottom:16px;animation:alertSlideIn .3s var(--ease-out);
}
@keyframes alertSlideIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.alert-success{background:var(--green-dim);border:1px solid rgba(63,185,80,.2);color:var(--green)}
.alert-error{background:var(--red-dim);border:1px solid rgba(248,81,73,.2);color:var(--red)}
.alert-warning{background:var(--yellow-dim);border:1px solid rgba(210,153,34,.2);color:var(--yellow)}
.alert-info{background:var(--blue-dim);border:1px solid rgba(88,166,255,.2);color:var(--blue)}

.toast-container{
  position:fixed;top:80px;right:24px;z-index:100;
  display:flex;flex-direction:column;gap:8px;
  max-width:380px;
}

/* ═══════════════════════════════════════════
   LOADING STATES
   ═══════════════════════════════════════════ */
.loading-spinner{
  display:inline-block;width:20px;height:20px;
  border:2px solid var(--border-default);
  border-top-color:var(--accent);
  border-radius:50%;animation:spin .6s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-page{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:60px 20px;color:var(--text-secondary);gap:16px;
}
.skeleton{
  background:linear-gradient(90deg,var(--bg-elevated) 25%,var(--bg-hover) 50%,var(--bg-elevated) 75%);
  background-size:200% 100%;animation:skeleton 1.5s ease-in-out infinite;
  border-radius:var(--radius-sm);
}
@keyframes skeleton{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ═══════════════════════════════════════════
   UTILITY CLASSES
   ═══════════════════════════════════════════ */
.text-green{color:var(--green)}
.text-red{color:var(--red)}
.text-yellow{color:var(--yellow)}
.text-blue{color:var(--blue)}
.text-purple{color:var(--purple)}
.text-accent{color:var(--accent)}
.text-muted{color:var(--text-secondary)}
.text-center{text-align:center}
.text-right{text-align:right}
.text-mono{font-family:var(--font-mono)}
.fw-bold{font-weight:700}
.fw-semibold{font-weight:600}
.flex{display:flex}
.flex-col{flex-direction:column}
.items-center{align-items:center}
.justify-between{justify-content:space-between}
.gap-xs{gap:4px}
.gap-sm{gap:8px}
.gap-md{gap:12px}
.gap-lg{gap:16px}
.gap-xl{gap:24px}
.mt-xs{margin-top:4px}
.mt-sm{margin-top:8px}
.mt-md{margin-top:12px}
.mt-lg{margin-top:16px}
.mt-xl{margin-top:24px}
.mt-2xl{margin-top:32px}
.mb-sm{margin-bottom:8px}
.mb-md{margin-bottom:12px}
.mb-lg{margin-bottom:16px}
.mb-xl{margin-bottom:24px}
.p-sm{padding:8px}
.p-md{padding:12px}
.p-lg{padding:16px}
.p-xl{padding:24px}
.w-full{width:100%}
.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ═══════════════════════════════════════════
   GRID SYSTEM
   ═══════════════════════════════════════════ */
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-5{grid-template-columns:repeat(5,1fr)}
.grid-auto{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
@media(max-width:1024px){.grid-4,.grid-5{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.grid-2,.grid-3,.grid-4,.grid-5{grid-template-columns:1fr}}

/* ═══════════════════════════════════════════
   LOGIN / REGISTER PAGE
   ═══════════════════════════════════════════ */
.auth-page{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  position:relative;z-index:1;
}
.auth-card{
  width:100%;max-width:420px;
  background:var(--bg-elevated);
  border:1px solid var(--border-subtle);
  border-radius:var(--radius-2xl);
  padding:40px 36px;
  box-shadow:var(--shadow-xl);
  animation:cardFadeIn .5s var(--ease-out);
}
@keyframes cardFadeIn{
  from{opacity:0;transform:translateY(12px) scale(.98)}
  to{opacity:1;transform:translateY(0) scale(1)}
}
.auth-header{text-align:center;margin-bottom:32px}
.auth-header .logo-icon-wrap{margin:0 auto 16px}
.auth-header h1{font-size:1.4rem;font-weight:700;margin-bottom:6px}
.auth-header p{font-size:.85rem;color:var(--text-secondary)}
.auth-footer{text-align:center;margin-top:24px;font-size:.85rem;color:var(--text-secondary)}
.auth-footer a{color:var(--accent);font-weight:600}

/* ═══════════════════════════════════════════
   SIGNAL CARD (per-coin)
   ═══════════════════════════════════════════ */
.signal-grid{display:grid;gap:16px}
.signal-card{
  background:var(--bg-elevated);
  border:1px solid var(--border-subtle);
  border-radius:var(--radius-xl);
  overflow:hidden;
  transition:all var(--duration-normal) var(--ease-out);
}
.signal-card:hover{border-color:var(--border-default);box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.signal-card-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;
  background:var(--bg-primary);
  border-bottom:1px solid var(--border-subtle);
}
.signal-coin{display:flex;align-items:center;gap:10px}
.signal-coin-icon{
  width:36px;height:36px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:.85rem;
}
.signal-coin-icon.btc{background:rgba(247,147,26,.15);color:#f7931a}
.signal-coin-icon.eth{background:rgba(98,126,234,.15);color:#627eea}
.signal-coin-icon.dash{background:rgba(0,142,204,.15);color:#008ecc}
.signal-coin-icon.xrp{background:rgba(35,41,47,.15);color:#23292f}
.signal-coin-icon.sol{background:rgba(153,69,255,.15);color:#9945ff}
.signal-coin-icon.zec{background:rgba(244,183,0,.15);color:#f4b700}
.signal-coin-icon.zen{background:rgba(0,196,140,.15);color:#00c48c}
.signal-coin-name{font-weight:700;font-size:1rem}
.signal-coin-symbol{font-size:.72rem;color:var(--text-tertiary)}
.signal-actions{display:flex;gap:8px}
.signal-body{padding:20px}
.signal-row{display:flex;gap:20px;flex-wrap:wrap}
.signal-col{flex:1;min-width:140px}
.signal-label{font-size:.72rem;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}
.signal-value{font-weight:600;font-variant-numeric:tabular-nums}
.signal-value.buy{color:var(--green)}
.signal-value.sell{color:var(--red)}
.signal-value.hold{color:var(--yellow)}
.signal-meter{margin-top:12px}
.ratio-bar{display:flex;height:8px;border-radius:4px;overflow:hidden;margin-top:6px}
.ratio-seg{transition:flex .6s var(--ease-out)}
.ratio-seg.buy{background:var(--green)}
.ratio-seg.sell{background:var(--red)}
.ratio-seg.hold{background:var(--yellow)}

/* ═══════════════════════════════════════════
   METER / GAUGE
   ═══════════════════════════════════════════ */
.meter-ring{position:relative;display:inline-flex}
.meter-ring svg{transform:rotate(-90deg)}
.meter-ring .bg{stroke:var(--bg-hover)}
.meter-ring .fill{transition:stroke-dashoffset .8s var(--ease-out)}
.meter-value{
  position:absolute;inset:0;display:flex;
  align-items:center;justify-content:center;
  font-weight:700;font-size:1.1rem;
}

/* ═══════════════════════════════════════════
   TABS
   ═══════════════════════════════════════════ */
.tab-bar{
  display:flex;gap:2px;
  background:var(--bg-primary);border-radius:var(--radius-md);
  padding:3px;border:1px solid var(--border-subtle);
}
.tab-btn{
  padding:8px 16px;border-radius:var(--radius-sm);
  font-size:.82rem;font-weight:500;color:var(--text-secondary);
  background:transparent;border:none;cursor:pointer;
  transition:all var(--duration-fast);
}
.tab-btn:hover{color:var(--text-primary)}
.tab-btn.active{background:var(--accent);color:#fff;font-weight:600}

/* ═══════════════════════════════════════════
   PNL TRACKER (user trades)
   ═══════════════════════════════════════════ */
.trade-row{
  display:flex;align-items:center;gap:12px;
  padding:12px 16px;
  border-bottom:1px solid var(--border-subtle);
  transition:background var(--duration-fast);
}
.trade-row:hover{background:var(--bg-hover)}
.trade-pnl{font-family:var(--font-mono);font-weight:700;font-size:.9rem}
.trade-pnl.positive{color:var(--green)}
.trade-pnl.negative{color:var(--red)}
.win-rate-bar{
  height:24px;border-radius:var(--radius-sm);
  display:flex;overflow:hidden;gap:2px;
}
.win-rate-bar .win{background:var(--green);border-radius:var(--radius-sm) 0 0 var(--radius-sm)}
.win-rate-bar .loss{background:var(--red);border-radius:0 var(--radius-sm) var(--radius-sm) 0}

/* ═══════════════════════════════════════════
   DASHBOARD GRID LAYOUT
   ═══════════════════════════════════════════ */
.dashboard-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(340px,1fr));
  gap:16px;
}
.panel{grid-column:span 1}
.panel.wide{grid-column:span 2}
.panel.full{grid-column:1/-1}

/* ═══════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════ */
.fade-in{animation:fadeIn .4s var(--ease-out)}
.slide-up{animation:slideUp .4s var(--ease-out)}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.pulse-green{animation:pulseGreen 2s ease-in-out infinite}
@keyframes pulseGreen{0%,100%{box-shadow:0 0 0 0 var(--green-dim)}50%{box-shadow:0 0 0 8px transparent}}

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */

/* ── Mobile Unified Fixes ── */
@media(max-width:768px){
  .app-container{padding:12px}
  .page-title{font-size:1.15rem}
  .page-subtitle{font-size:.75rem}
  .stat-bar{flex-direction:column;gap:8px}
  .stat-item{padding:12px 16px;min-width:100%}
  .stat-value{font-size:1.2rem}
  .stat-label{font-size:.68rem}
  .card-header{padding:12px 16px}
  .card-title{font-size:.85rem}
  .card-body{padding:12px}
  .btn{padding:8px 14px;font-size:.78rem}
  .btn-lg{padding:12px 20px;font-size:.88rem}
  .data-table th,.data-table td{padding:8px 10px;font-size:.75rem}
  .data-table th{font-size:.68rem}
  .form-input,.form-select{padding:8px 12px;font-size:.82rem}
  .form-label{font-size:.72rem}
  .panel.wide{grid-column:span 1}
  .auth-card{padding:28px 18px}
  .signal-row{flex-direction:column;gap:10px}
  .signal-item{padding:12px 14px}
  .signal-coin-name{font-size:.88rem}
  .signal-prices{gap:12px}
  .signal-price-value{font-size:.82rem}
  .header-right .status-text{display:none}
  .user-pill span:last-of-type{display:none}
  .tab-btn{padding:6px 10px;font-size:.72rem}
  .grid-2,.grid-3,.grid-4,.grid-5{grid-template-columns:1fr}
  .hedge-input-row{flex-direction:column}
}
@media(max-width:480px){
  .logo-mark{font-size:1rem}
  .logo-mark svg{width:28px;height:28px}
  .page-title{font-size:1.05rem}
  .stat-value{font-size:1.1rem}
  .btn-lg{padding:10px 16px;font-size:.82rem}
  .auth-card{padding:24px 14px}
  .signal-item-top{flex-direction:column;align-items:flex-start}
  .signal-prices{flex-direction:column;gap:6px}
  .coin-gauge-grid{grid-template-columns:repeat(2,1fr)}
}