/* assets/css/app.css — SurThai Dark Theme */

/* ── Fonts & Reset ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #0A0E1A;
  --surface:    #111827;
  --surface-2:  #1a2234;
  --border:     #1F2937;
  --primary:    #6366F1;
  --primary-h:  #818CF8;
  --bull:       #10B981;
  --bear:       #EF4444;
  --amber:      #F59E0B;
  --text:       #F9FAFB;
  --muted:      #6B7280;
  --font-head:  'Syne', sans-serif;
  --font-mono:  'IBM Plex Mono', monospace;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-head);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-h); }
.mono { font-family: var(--font-mono); }

/* ── Layout ────────────────────────────────────────────── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }

.app-layout { display: flex; flex-direction: column; min-height: 100vh; }
.app-body   { display: flex; flex: 1; }

.main-content {
  flex: 1;
  padding: 2rem 1.5rem;
  overflow-x: auto;
}

/* ── Navbar ────────────────────────────────────────────── */
.navbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.5rem; height: 60px;
  background: rgba(10,14,26,.95);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(8px);
}
.navbar-logo {
  font-size: 1.3rem; font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
}
.navbar-logo span { color: var(--primary); }
.navbar-links { display: flex; gap: 1.5rem; align-items: center; }
.navbar-links a { color: var(--muted); font-size: .9rem; }
.navbar-links a:hover { color: var(--text); }

/* ── Sidebar ────────────────────────────────────────────── */
.sidebar {
  width: 220px; min-height: 100%;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem 0;
  flex-shrink: 0;
}
.sidebar-nav { display: flex; flex-direction: column; gap: .25rem; }
.nav-item {
  display: block;
  padding: .65rem 1.5rem;
  color: var(--muted);
  font-size: .9rem;
  border-left: 3px solid transparent;
  transition: all .15s;
}
.nav-item:hover, .nav-item.active {
  color: var(--text);
  background: var(--surface-2);
  border-left-color: var(--primary);
}
.nav-upgrade { color: var(--amber) !important; }
.sidebar-tier {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex; flex-direction: column; gap: .4rem;
  font-size: .8rem; color: var(--muted);
}

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .65rem 1.4rem;
  border-radius: 8px;
  font-family: var(--font-head);
  font-size: .9rem; font-weight: 700;
  cursor: pointer; border: none;
  transition: all .15s;
  white-space: nowrap;
}
.btn-primary  { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-h); color: #fff; }
.btn-ghost    { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm  { padding: .4rem .9rem; font-size: .8rem; }
.btn-xs  { padding: .25rem .6rem; font-size: .75rem; }
.w-full  { width: 100%; }

/* ── Cards ──────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.card-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 1rem;
}
.card-header h2 { font-size: 1rem; }

/* ── Stat Grid (Dashboard summary) ─────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.2rem;
}
.stat-label { font-size: .75rem; color: var(--muted); margin-bottom: .3rem; }
.stat-value { font-family: var(--font-mono); font-size: 1.4rem; font-weight: 600; }

/* ── Table ──────────────────────────────────────────────── */
.data-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.data-table th { text-align: left; padding: .6rem .8rem; color: var(--muted); font-weight: 600; border-bottom: 1px solid var(--border); }
.data-table td { padding: .65rem .8rem; border-bottom: 1px solid var(--border); }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--surface-2); }

/* ── Tier Badges ────────────────────────────────────────── */
.tier-badge { display: inline-flex; align-items: center; gap: .3rem; padding: .25rem .75rem; border-radius: 999px; font-size: .8rem; font-weight: 700; }
.tier-premium { background: rgba(99,102,241,.15); color: var(--primary); border: 1px solid rgba(99,102,241,.3); }
.tier-free    { background: var(--surface-2); color: var(--muted); border: 1px solid var(--border); }

/* ── AI Prediction ──────────────────────────────────────── */
.prediction-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 1rem; margin-bottom: 1.5rem; }
.prediction-direction { font-family: var(--font-mono); font-size: 3rem; font-weight: 800; letter-spacing: 2px; margin: .5rem 0; }
.bull  { color: var(--bull); }
.bear  { color: var(--bear); }
.neutral { color: var(--amber); }

.confidence-bar { background: var(--border); border-radius: 999px; height: 6px; margin: .5rem 0; overflow: hidden; }
.confidence-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--bull)); border-radius: 999px; transition: width .6s ease; }

.indicators-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.info-row { display: flex; justify-content: space-between; padding: .6rem 0; border-bottom: 1px solid var(--border); font-size: .9rem; }
.info-row:last-child { border-bottom: none; }

/* ── Hero (Landing) ─────────────────────────────────────── */
.hero {
  position: relative;
  padding: 6rem 0 5rem;
  text-align: center;
  overflow: hidden;
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px),
                    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
  opacity: .4;
}
.hero-eyebrow { font-size: .8rem; letter-spacing: 2px; text-transform: uppercase; color: var(--primary); margin-bottom: 1rem; }
.hero-title   { font-size: clamp(2.5rem, 6vw, 4rem); font-weight: 800; line-height: 1.15; margin-bottom: 1rem; }
.hero-title .accent { color: var(--primary); }
.hero-sub     { color: var(--muted); font-size: 1.1rem; margin-bottom: 2.5rem; line-height: 1.8; }
.hero-cta     { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ── Features ───────────────────────────────────────────── */
.features { display: grid; grid-template-columns: repeat(auto-fill,minmax(280px,1fr)); gap: 1.5rem; padding: 4rem 1.5rem; }
.feature-card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 2rem; position: relative; }
.feature-card:hover { border-color: var(--primary); }
.feature-icon { font-size: 2rem; display: block; margin-bottom: 1rem; }
.feature-card h3 { font-size: 1.1rem; margin-bottom: .5rem; }
.feature-card p  { color: var(--muted); font-size: .9rem; }
.feature-badge   { position: absolute; top: 1rem; right: 1rem; background: rgba(99,102,241,.2); color: var(--primary); font-size: .7rem; font-weight: 700; padding: .2rem .6rem; border-radius: 999px; border: 1px solid rgba(99,102,241,.4); }

/* ── Pricing ────────────────────────────────────────────── */
.pricing { padding: 4rem 1.5rem; text-align: center; }
.section-title { font-size: 2rem; font-weight: 800; margin-bottom: 2.5rem; }
.pricing-grid  { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; max-width: 700px; margin: 0 auto; }
.plan-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; padding: 2rem; position: relative; text-align: left;
}
.plan-premium { border-color: var(--primary); background: var(--surface-2); }
.plan-tag { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--primary); color: #fff; font-size: .75rem; font-weight: 700; padding: .2rem .8rem; border-radius: 999px; }
.plan-card h3 { font-size: 1.3rem; margin-bottom: .5rem; }
.price { font-family: var(--font-mono); font-size: 2rem; font-weight: 700; margin-bottom: 1.5rem; }
.price span { font-size: 1rem; color: var(--muted); }
.plan-card ul { list-style: none; margin-bottom: 2rem; }
.plan-card li { padding: .4rem 0; font-size: .9rem; border-bottom: 1px solid var(--border); }
.plan-card li.muted { color: var(--muted); }

/* ── Auth Pages ─────────────────────────────────────────── */
.auth-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.auth-box  { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 2.5rem; width: 100%; max-width: 420px; }
.auth-logo { display: block; font-size: 1.5rem; font-weight: 800; color: var(--text); margin-bottom: 1.5rem; }
.auth-box h2 { margin-bottom: 1.5rem; }
.auth-box label { display: block; margin-bottom: 1rem; font-size: .85rem; color: var(--muted); }
.auth-box input { display: block; width: 100%; margin-top: .3rem; padding: .65rem .9rem; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-family: var(--font-head); font-size: .95rem; }
.auth-box input:focus { outline: none; border-color: var(--primary); }
.auth-switch { margin-top: 1.2rem; font-size: .85rem; color: var(--muted); text-align: center; }
.alert-error { background: rgba(239,68,68,.1); border: 1px solid rgba(239,68,68,.3); color: #FCA5A5; padding: .7rem 1rem; border-radius: 8px; margin-bottom: 1rem; font-size: .9rem; }

/* ── Premium Teaser ─────────────────────────────────────── */
.premium-teaser { background: linear-gradient(135deg, var(--surface-2), rgba(99,102,241,.1)); border: 1px solid rgba(99,102,241,.3); border-radius: 14px; padding: 2rem; text-align: center; }
.premium-teaser h3 { font-size: 1.3rem; margin-bottom: .5rem; }
.premium-teaser p  { color: var(--muted); margin-bottom: 1.5rem; }

/* ── Empty State ────────────────────────────────────────── */
.empty-state { color: var(--muted); padding: 2rem; text-align: center; font-size: .9rem; }
.page-title  { font-size: 1.6rem; font-weight: 800; margin-bottom: 1.5rem; }
.page-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; }

/* ── Footer ─────────────────────────────────────────────── */
footer { border-top: 1px solid var(--border); padding: 1.5rem; text-align: center; color: var(--muted); font-size: .8rem; }

/* ── Market Page ────────────────────────────────────────── */
.mkt-page-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 1.5rem; flex-wrap: wrap; gap: 1rem;
}
.mkt-updated { font-size: .8rem; color: var(--muted); }
.mkt-header-actions { display: flex; gap: .75rem; align-items: center; }

/* Indices Row */
.indices-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.index-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  transition: border-color .15s;
}
.index-card:hover { border-color: var(--primary); }
.bull-card { border-bottom: 2px solid rgba(16,185,129,.4); }
.bear-card { border-bottom: 2px solid rgba(239,68,68,.4); }
.index-name  { font-size: .75rem; color: var(--muted); margin-bottom: .3rem; }
.index-value { font-size: 1.15rem; font-weight: 700; margin-bottom: .2rem; }
.index-change { font-size: .8rem; }
.index-change span { color: var(--muted); }
.index-sparkline { margin-top: .6rem; height: 28px; }

/* Heatmap */
.heatmap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: .6rem;
}
.heat-cell {
  border: 1px solid;
  border-radius: 8px;
  padding: .75rem .5rem;
  text-align: center;
  transition: transform .1s;
  cursor: default;
}
.heat-cell:hover { transform: scale(1.04); }
.heat-lg { grid-column: span 2; }
.heat-md { grid-column: span 1; }
.heat-sm { grid-column: span 1; }
.heat-name { font-size: .75rem; color: var(--text); margin-bottom: .25rem; font-weight: 600; }
.heat-pct  { font-size: .85rem; font-weight: 700; }

/* Two-col layout */
.two-col-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

/* Table helpers */
.text-right { text-align: right !important; }
.symbol-link { font-weight: 700; color: var(--text); font-family: var(--font-mono); }
.symbol-link:hover { color: var(--primary); }
.bold { font-weight: 700; }
.stock-name { display: block; font-size: .75rem; color: var(--muted); }
.badge-bull { background: rgba(16,185,129,.15); color: var(--bull); border: 1px solid rgba(16,185,129,.3); font-size: .75rem; font-weight: 700; padding: .2rem .65rem; border-radius: 999px; }
.badge-bear { background: rgba(239,68,68,.15); color: var(--bear); border: 1px solid rgba(239,68,68,.3); font-size: .75rem; font-weight: 700; padding: .2rem .65rem; border-radius: 999px; }
.btn-added  { color: var(--bull) !important; border-color: rgba(16,185,129,.4) !important; }

/* ── Stock Page ─────────────────────────────────────────── */
.stock-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 1rem; flex-wrap: wrap; margin-bottom: 1.25rem;
}
.stock-header-left { display: flex; align-items: flex-start; gap: 1rem; }
.stock-symbol-badge {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 10px; padding: .6rem 1rem;
  font-family: var(--font-mono); font-size: 1.3rem; font-weight: 700;
  white-space: nowrap; align-self: flex-start;
}
.stock-title { font-size: 1.1rem; font-weight: 800; line-height: 1.3; margin-bottom: .3rem; }
.stock-meta  { display: flex; align-items: center; gap: .5rem; font-size: .8rem; }
.stock-sector-tag {
  background: rgba(99,102,241,.15); color: var(--primary);
  border: 1px solid rgba(99,102,241,.25);
  padding: .15rem .55rem; border-radius: 999px; font-size: .75rem; font-weight: 600;
}
.stock-header-right { display: flex; flex-direction: column; align-items: flex-end; gap: .75rem; }
.stock-price-block { text-align: right; }
.stock-price  { font-size: 2rem; font-weight: 800; display: block; }
.stock-change { font-size: .95rem; display: block; }
.stock-header-actions { display: flex; gap: .5rem; flex-wrap: wrap; justify-content: flex-end; }
.btn-watch-active { background: rgba(16,185,129,.15) !important; color: var(--bull) !important; border-color: rgba(16,185,129,.35) !important; }
.stock-stats-row {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: .75rem; margin-bottom: 1.5rem;
}
.sstat { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: .8rem 1rem; }
.sstat-label { font-size: .7rem; color: var(--muted); margin-bottom: .2rem; }
.sstat-value { font-size: .95rem; font-weight: 600; }
.stock-main-grid { display: grid; grid-template-columns: 1fr 300px; gap: 1.5rem; align-items: start; }
.stock-chart-col { min-width: 0; }
.stock-info-col  { display: flex; flex-direction: column; gap: 0; }
.chart-toolbar { display: flex; justify-content: space-between; align-items: center; padding: .65rem 1rem; border-bottom: 1px solid var(--border); }
.chart-tf-group, .chart-type-group { display: flex; gap: .25rem; }
.tf-btn, .ct-btn { background: transparent; border: 1px solid transparent; color: var(--muted); font-family: var(--font-head); font-size: .8rem; font-weight: 600; padding: .3rem .6rem; border-radius: 6px; cursor: pointer; transition: all .12s; }
.tf-btn:hover, .ct-btn:hover { color: var(--text); border-color: var(--border); }
.tf-btn.active, .ct-btn.active { background: var(--surface-2); color: var(--primary); border-color: rgba(99,102,241,.4); }
.ind-tab-bar { display: flex; border-bottom: 1px solid var(--border); }
.ind-tab { flex: 1; padding: .6rem; border: none; border-bottom: 2px solid transparent; background: transparent; color: var(--muted); font-family: var(--font-head); font-size: .8rem; font-weight: 600; cursor: pointer; transition: all .12s; }
.ind-tab:hover { color: var(--text); }
.ind-tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.ind-levels { display: flex; justify-content: space-between; padding: .4rem 1rem; font-size: .75rem; border-top: 1px solid var(--border); }
.info-section-title { font-size: .85rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; margin-bottom: .75rem; }
.ai-signal-card, .ai-signal-locked { text-align: center; }
.week52-bar { display: flex; align-items: center; gap: .75rem; font-size: .8rem; margin-top: .5rem; }
.week52-track { flex: 1; height: 6px; background: var(--border); border-radius: 999px; position: relative; overflow: visible; }
.week52-fill { height: 100%; background: linear-gradient(90deg, var(--bear), var(--bull)); border-radius: 999px; }
.week52-dot { position: absolute; top: 50%; transform: translate(-50%,-50%); width: 12px; height: 12px; background: var(--text); border: 2px solid var(--primary); border-radius: 50%; }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .app-body { flex-direction: column; }
  .sidebar  { width: 100%; min-height: auto; flex-direction: row; border-right: none; border-bottom: 1px solid var(--border); padding: .5rem 0; }
  .sidebar-nav  { flex-direction: row; overflow-x: auto; }
  .sidebar-tier { display: none; }
  .prediction-grid  { grid-template-columns: 1fr; }
  .indicators-grid  { grid-template-columns: 1fr; }
  .two-col-grid     { grid-template-columns: 1fr; }
  .heat-lg          { grid-column: span 1; }
  .indices-row      { grid-template-columns: repeat(2, 1fr); }
  .stock-main-grid  { grid-template-columns: 1fr; }
  .stock-info-col   { order: -1; }
  .stock-price      { font-size: 1.5rem; }
}