/* ── Design tokens ──────────────────────────────────────── */
:root {
  --bg:           #f4f2ff;
  --frost:        rgba(255,255,255,.72);
  --frost-deep:   rgba(255,255,255,.88);
  --frost-border: rgba(255,255,255,.6);

  --purple:       #7c3aed;
  --purple-soft:  #a78bfa;
  --teal:         #0ea5e9;
  --teal-soft:    #7dd3fc;
  --pink:         #ec4899;
  --pink-soft:    #f9a8d4;
  --emerald:      #10b981;
  --rose:         #f43f5e;
  --amber:        #f59e0b;

  --g-main:   linear-gradient(135deg,#7c3aed 0%,#0ea5e9 100%);
  --g-pink:   linear-gradient(135deg,#ec4899 0%,#7c3aed 100%);
  --g-teal:   linear-gradient(135deg,#10b981 0%,#0ea5e9 100%);
  --g-warm:   linear-gradient(135deg,#f59e0b 0%,#ec4899 100%);
  --g-purple: linear-gradient(135deg,#7c3aed 0%,#a78bfa 100%);

  --text:     #1e1b4b;
  --text2:    #4c4a7c;
  --muted:    #9b98c4;

  --shadow-frost: 0 8px 32px rgba(109,40,217,.10), 0 2px 8px rgba(0,0,0,.06);
  --shadow-card:  0 12px 40px rgba(109,40,217,.12), 0 2px 8px rgba(0,0,0,.05);
  --shadow-hover: 0 20px 60px rgba(109,40,217,.18), 0 4px 12px rgba(0,0,0,.07);

  --radius-xs: 8px;
  --radius-sm: 14px;
  --radius:    20px;
  --radius-lg: 28px;
  --radius-xl: 40px;

  --sidebar-w: 264px;
  --header-h:  64px;
  --ease:      cubic-bezier(0.4,0,0.2,1);
  --spring:    cubic-bezier(0.34,1.56,0.64,1);
}

/* ── Reset ────────────────────────────────────────────────── */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html,body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── Background mesh + blobs ─────────────────────────────── */
body {
  background-image:
    radial-gradient(ellipse at 15% 10%, rgba(124,58,237,.14) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 85%, rgba(14,165,233,.12) 0%, transparent 55%),
    radial-gradient(ellipse at 60% 35%, rgba(236,72,153,.09) 0%, transparent 45%),
    radial-gradient(ellipse at 40% 80%, rgba(16,185,129,.07) 0%, transparent 40%);
  background-attachment: fixed;
}

body::before {
  content: "";
  position: fixed; top: -200px; left: -180px;
  width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(124,58,237,.16) 0%, transparent 70%);
  border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
  animation: morphBlob 14s var(--ease) infinite;
  pointer-events: none; z-index: 0;
}
body::after {
  content: "";
  position: fixed; bottom: -160px; right: -120px;
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(14,165,233,.13) 0%, transparent 70%);
  border-radius: 60% 40% 30% 70% / 50% 60% 40% 50%;
  animation: morphBlob 18s var(--ease) infinite reverse;
  animation-delay: -7s;
  pointer-events: none; z-index: 0;
}

/* ── Keyframes ──────────────────────────────────────────── */
@keyframes morphBlob {
  0%,100% { border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; transform: translate(0,0) rotate(0deg); }
  25%      { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; transform: translate(18px,-18px) rotate(6deg); }
  50%      { border-radius: 30% 70% 60% 40% / 50% 60% 40% 50%; transform: translate(-10px,12px) rotate(-3deg); }
  75%      { border-radius: 70% 30% 40% 60% / 30% 70% 50% 60%; transform: translate(12px,4px) rotate(2deg); }
}
@keyframes fadeIn  { from{opacity:0}                             to{opacity:1} }
@keyframes slideUp { from{opacity:0;transform:translateY(20px)} to{opacity:1;transform:translateY(0)} }
@keyframes slideIn { from{opacity:0;transform:translateX(-14px)}to{opacity:1;transform:translateX(0)} }
@keyframes scaleIn { from{opacity:0;transform:scale(.94)}        to{opacity:1;transform:scale(1)} }
@keyframes spin    { to{transform:rotate(360deg)} }
@keyframes pulse   { 0%,100%{opacity:1}50%{opacity:.4} }
@keyframes float   { 0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)} }
@keyframes shimmer { 0%{background-position:-600px 0}100%{background-position:600px 0} }
@keyframes gradientShift { 0%,100%{background-position:0% 50%}50%{background-position:100% 50%} }

/* ── Frost panel mixin (via class) ──────────────────────── */
.frost {
  background: var(--frost);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--frost-border);
  box-shadow: var(--shadow-frost);
}

/* ── Header ──────────────────────────────────────────────── */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  height: var(--header-h);
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid rgba(124,58,237,.12);
  box-shadow: 0 2px 20px rgba(109,40,217,.08);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px;
  animation: fadeIn .4s var(--ease);
}
.header-brand {
  display: flex; align-items: center; gap: 10px;
  font-size: 18px; font-weight: 800; letter-spacing: -.4px;
  background: var(--g-main); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
  text-decoration: none;
}
.header-brand svg { color: var(--purple); flex-shrink: 0; }
.header-meta { display: flex; align-items: center; gap: 14px; }
.header-time { font-size: 12px; color: var(--muted); }

/* ── Layout ──────────────────────────────────────────────── */
.layout {
  position: relative; z-index: 1;
  display: flex;
  margin-top: var(--header-h);
  height: calc(100vh - var(--header-h));
  overflow: hidden;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w); flex-shrink: 0;
  background: rgba(255,255,255,.78);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-right: 1px solid rgba(124,58,237,.10);
  box-shadow: 2px 0 24px rgba(109,40,217,.06);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.sidebar-search {
  padding: 14px 14px;
  border-bottom: 1px solid rgba(124,58,237,.08);
  position: relative;
}
.sidebar-search svg {
  position: absolute; left: 24px; top: 50%; transform: translateY(-50%);
  color: var(--muted); width: 14px; height: 14px; pointer-events: none;
}
.sidebar-search input {
  width: 100%;
  background: rgba(124,58,237,.05);
  border: 1.5px solid rgba(124,58,237,.12);
  border-radius: var(--radius-sm);
  color: var(--text); padding: 8px 12px 8px 34px;
  font-size: 13px; outline: none;
  transition: all .2s var(--ease);
}
.sidebar-search input::placeholder { color: var(--muted); }
.sidebar-search input:focus {
  border-color: var(--purple-soft);
  background: rgba(167,139,250,.08);
  box-shadow: 0 0 0 3px rgba(124,58,237,.10);
}
.sidebar-section-title {
  padding: 14px 18px 6px;
  font-size: 9.5px; font-weight: 800; letter-spacing: 1.2px;
  background: var(--g-main); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
  text-transform: uppercase;
}
.sidebar-scroll { flex: 1; overflow-y: auto; }
.company-list, .mover-list { list-style: none; padding: 0 10px 10px; }

/* Company list items */
.company-list li {
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex; align-items: center; gap: 10px;
  transition: background .18s var(--ease), transform .22s var(--spring);
  animation: slideIn .22s var(--ease) both;
}
.company-list li:hover {
  background: rgba(124,58,237,.06);
  transform: translateX(3px) scale(1.01);
}
.company-list li.active {
  background: linear-gradient(135deg, rgba(124,58,237,.10) 0%, rgba(14,165,233,.08) 100%);
  border-left: 3px solid transparent;
  border-image: var(--g-main) 1;
  padding-left: 9px;
}
.company-list li .sym  { font-weight: 700; font-size: 12px; color: var(--text); }
.company-list li .name {
  font-size: 11px; color: var(--muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 130px;
}
.company-list li.active .sym  { background: var(--g-main); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.company-list li.active .name { color: var(--purple-soft); }

/* Company avatar */
.company-avatar {
  width: 30px; height: 30px; flex-shrink: 0;
  border-radius: 9px;
  background: var(--g-main);
  color: #fff; font-size: 10px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 8px rgba(124,58,237,.22);
  transition: transform .22s var(--spring), box-shadow .2s var(--ease);
}
.company-list li:hover .company-avatar { transform: rotate(-4deg) scale(1.08); box-shadow: 0 4px 14px rgba(124,58,237,.30); }
.company-list li.active .company-avatar { background: var(--g-main); box-shadow: 0 3px 12px rgba(124,58,237,.35); }

/* Sidebar movers */
.sidebar-divider  { height: 1px; background: rgba(124,58,237,.08); margin: 4px 16px; }
.sidebar-movers   { border-top: 1px solid rgba(124,58,237,.08); padding-bottom: 12px; }
.mover-list li {
  padding: 6px 10px; border-radius: var(--radius-xs);
  cursor: pointer; display: flex; justify-content: space-between; align-items: center;
  transition: background .15s var(--ease), transform .15s var(--spring);
  font-size: 12px;
}
.mover-list li:hover { background: rgba(124,58,237,.05); transform: translateX(2px); }
.mover-list .sym  { font-weight: 700; color: var(--text2); }
.mover-list .ret  { font-weight: 700; font-size: 11px; padding: 2px 8px; border-radius: 20px; }
.mover-list .ret.up   { color: var(--emerald); background: rgba(16,185,129,.10); }
.mover-list .ret.down { color: var(--rose);    background: rgba(244,63,94,.10); }

/* ── Main ────────────────────────────────────────────────── */
.main {
  position: relative; z-index: 1;
  flex: 1; overflow-y: auto; padding: 28px 32px;
}

/* ── Loading overlay ─────────────────────────────────────── */
.loading-overlay {
  position: fixed; inset: 0;
  background: rgba(244,242,255,.90);
  backdrop-filter: blur(8px);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 20px; z-index: 300;
  animation: fadeIn .3s var(--ease);
}
.spinner {
  width: 44px; height: 44px;
  border: 3px solid rgba(124,58,237,.15);
  border-top-color: var(--purple);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
.loading-overlay p { color: var(--muted); font-size: 14px; }

/* ── Welcome state ───────────────────────────────────────── */
.welcome-state {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  height: 72vh; gap: 20px; text-align: center;
  animation: slideUp .5s var(--ease);
}
.welcome-icon {
  width: 90px; height: 90px;
  background: var(--g-main);
  border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  box-shadow: 0 12px 40px rgba(124,58,237,.30);
  animation: morphBlob 8s var(--ease) infinite, float 4s ease-in-out infinite;
  flex-shrink: 0;
}
.welcome-state h2 {
  font-size: 26px; font-weight: 800; letter-spacing: -.4px;
  background: var(--g-main); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.welcome-state p { color: var(--muted); max-width: 340px; line-height: 1.7; }

/* ── Skeleton ────────────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg,rgba(124,58,237,.06) 25%,rgba(167,139,250,.12) 50%,rgba(124,58,237,.06) 75%);
  background-size: 600px 100%;
  animation: shimmer 1.6s infinite;
  border-radius: var(--radius-sm);
}

/* ── Stock header ────────────────────────────────────────── */
.stock-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 22px; flex-wrap: wrap; gap: 14px;
  animation: slideUp .3s var(--ease);
}
.stock-header-left { display: flex; align-items: center; gap: 16px; }
.stock-logo {
  width: 52px; height: 52px;
  background: var(--g-main);
  border-radius: 16px 8px 16px 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 900; color: #fff;
  box-shadow: 0 8px 24px rgba(124,58,237,.28);
  transition: transform .4s var(--spring), border-radius .6s var(--ease);
  flex-shrink: 0;
}
.stock-logo:hover { transform: rotate(-6deg) scale(1.06); border-radius: 50%; }
.stock-title {
  font-size: 22px; font-weight: 800; letter-spacing: -.4px; color: var(--text);
}
.stock-tags    { display: flex; gap: 6px; margin-top: 5px; flex-wrap: wrap; }
.stock-price-block { text-align: right; }
.stock-price {
  font-size: 32px; font-weight: 900; letter-spacing: -.6px;
  background: var(--g-main); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.stock-return {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 13px; font-weight: 700;
  padding: 4px 12px; border-radius: 20px; margin-top: 5px;
}
.stock-return.up   { color: var(--emerald); background: rgba(16,185,129,.10); }
.stock-return.down { color: var(--rose);    background: rgba(244,63,94,.10); }

/* ── Summary cards ───────────────────────────────────────── */
.cards-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(155px, 1fr));
  gap: 14px; margin-bottom: 24px;
  animation: slideUp .35s .06s var(--ease) both;
}
.card {
  background: var(--frost);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--frost-border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow-frost);
  transition: transform .3s var(--spring), box-shadow .3s var(--ease);
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-4px) scale(1.015); box-shadow: var(--shadow-hover); }
.card::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--card-g, var(--g-main));
  border-radius: var(--radius) var(--radius) 0 0;
}
.card::after {
  content: "";
  position: absolute; bottom: -30px; right: -30px;
  width: 80px; height: 80px;
  background: var(--card-g, var(--g-main));
  opacity: .06; border-radius: 50%;
}
.card-label { font-size: 10.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .7px; font-weight: 700; margin-bottom: 10px; }
.card-value { font-size: 18px; font-weight: 900; color: var(--text); }
.card-sub   { font-size: 11px; color: var(--muted); margin-top: 4px; }
.card.green  { --card-g: var(--g-teal); }
.card.red    { --card-g: var(--g-pink); }
.card.yellow { --card-g: var(--g-warm); }
.card.blue   { --card-g: var(--g-main); }
.card.purple { --card-g: var(--g-purple); }

/* ── Chart controls ──────────────────────────────────────── */
.chart-controls {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px; flex-wrap: wrap; gap: 10px;
  animation: slideUp .35s .10s var(--ease) both;
}
.tab-group, .range-group { display: flex; gap: 5px; }
.tab-btn, .range-btn {
  background: var(--frost);
  backdrop-filter: blur(10px);
  border: 1.5px solid rgba(124,58,237,.15);
  color: var(--text2);
  padding: 7px 18px; border-radius: var(--radius-sm);
  cursor: pointer; font-size: 13px; font-weight: 500;
  transition: all .2s var(--ease);
}
.tab-btn:hover, .range-btn:hover {
  border-color: var(--purple-soft);
  color: var(--purple);
  background: rgba(124,58,237,.06);
  transform: translateY(-1px);
}
.tab-btn.active, .range-btn.active {
  background: var(--g-main);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 16px rgba(124,58,237,.30);
  transform: translateY(-1px);
}

/* ── Chart panels ────────────────────────────────────────── */
.chart-panel.hidden { display: none; }
.chart-wrapper {
  background: var(--frost);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--frost-border);
  border-radius: var(--radius-lg);
  padding: 22px;
  height: 390px;
  box-shadow: var(--shadow-frost);
  position: relative;
  animation: scaleIn .3s var(--ease);
}
.chart-wrapper canvas { max-height: 100%; }

/* ── Compare panel ───────────────────────────────────────── */
.compare-controls {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 14px; flex-wrap: wrap;
}
.compare-controls label { font-size: 13px; color: var(--text2); font-weight: 500; }
.compare-controls select {
  background: var(--frost);
  backdrop-filter: blur(10px);
  border: 1.5px solid rgba(124,58,237,.15);
  color: var(--text); padding: 7px 12px;
  border-radius: var(--radius-sm); font-size: 13px; outline: none; cursor: pointer;
  transition: border-color .2s var(--ease);
}
.compare-controls select:focus { border-color: var(--purple-soft); }

.btn-primary {
  background: var(--g-main); border: none; color: #fff;
  padding: 8px 20px; border-radius: var(--radius-sm);
  cursor: pointer; font-size: 13px; font-weight: 700;
  transition: all .2s var(--spring);
  box-shadow: 0 4px 16px rgba(124,58,237,.30);
}
.btn-primary:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 8px 24px rgba(124,58,237,.40); }
.btn-primary:active { transform: translateY(0) scale(.98); }

.correlation-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--frost);
  border: 1.5px solid rgba(124,58,237,.18);
  padding: 5px 14px; border-radius: 20px; font-size: 12px;
  font-weight: 600; margin-bottom: 12px; color: var(--text2);
  box-shadow: var(--shadow-frost);
}
.correlation-badge.hidden { display: none; }

/* ── Prediction ──────────────────────────────────────────── */
.pred-meta {
  font-size: 12px; color: var(--muted); margin-top: 10px;
  text-align: right; display: flex; gap: 10px; justify-content: flex-end;
}

/* ── Heatmap ─────────────────────────────────────────────── */
.heatmap-container {
  background: var(--frost);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--frost-border);
  border-radius: var(--radius-lg); padding: 22px;
  overflow: auto; box-shadow: var(--shadow-frost);
}
.heatmap-container canvas { display: block; margin: 0 auto; }

/* ── Badges ──────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 12px; border-radius: 20px;
  font-size: 11px; font-weight: 700; letter-spacing: .3px;
}
.badge-closed { background: rgba(244,63,94,.10);   color: var(--rose); }
.badge-open   {
  background: linear-gradient(135deg,rgba(16,185,129,.12),rgba(14,165,233,.10));
  color: var(--emerald);
  border: 1px solid rgba(16,185,129,.20);
}
.badge-sector {
  background: rgba(124,58,237,.08); color: var(--purple);
  border: 1px solid rgba(124,58,237,.15); border-radius: var(--radius-xs);
}
.badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: currentColor; animation: pulse 2s infinite;
}

/* ── Utilities ───────────────────────────────────────────── */
.hidden  { display: none !important; }
.mt-8    { margin-top: 8px; }
.mt-16   { margin-top: 16px; }
.text-green  { color: var(--emerald); }
.text-red    { color: var(--rose); }
.text-yellow { color: var(--amber); }
.text-muted  { color: var(--muted); }

/* ── Scrollbars ──────────────────────────────────────────── */
::-webkit-scrollbar       { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(124,58,237,.18); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(124,58,237,.35); }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width:900px) {
  :root { --sidebar-w: 210px; }
  .main { padding: 16px 18px; }
}
@media (max-width:640px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; height: 185px; border-right: none; border-bottom: 1px solid rgba(124,58,237,.10); }
  .sidebar-scroll { overflow-x: auto; overflow-y: hidden; }
  .company-list { display: flex; padding: 8px; }
  .company-list li { flex-direction: column; min-width: 76px; text-align: center; gap: 6px; }
  .company-avatar { margin: 0 auto; }
  .sidebar-movers { display: none; }
  .stock-price { font-size: 24px; }
}