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

/* ── Reset & Variables ──────────────────────────────────────── */
*, *::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;
  --f-head:    'Syne', sans-serif;
  --f-mono:    'IBM Plex Mono', monospace;
  --radius:    10px;
}

body   { background:var(--bg); color:var(--text); font-family:var(--f-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(--f-mono); }
.muted { color:var(--muted); }
.bold  { font-weight:700; }
.bull  { color:var(--bull); }
.bear  { color:var(--bear); }
.neutral { color:var(--amber); }
.text-right { text-align:right !important; }

/* ── 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; min-width:0; }

/* ── Navbar ──────────────────────────────────────────────────── */
.navbar {
  display:flex; align-items:center; justify-content:space-between;
  padding:0 1.5rem; height:60px;
  background:rgba(10,14,26,.96); 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:-.5px; }
.navbar-logo span   { color:var(--primary); }
.navbar-links       { display:flex; gap:1.25rem; align-items:center; }
.navbar-links a     { color:var(--muted); font-size:.9rem; }
.navbar-links a:hover { color:var(--text); }
.navbar-name        { font-size:.85rem; color:var(--muted); }
.nav-sep            { width:1px; height:18px; background:var(--border); }

/* ── Sidebar ──────────────────────────────────────────────────── */
.sidebar {
  width:220px; flex-shrink:0;
  background:var(--surface); border-right:1px solid var(--border);
  display:flex; flex-direction:column; justify-content:space-between;
  padding:1.5rem 0;
}
.sidebar-nav          { display:flex; flex-direction:column; gap:.2rem; }
.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; }
.sidebar-username     { color:var(--muted); font-size:.8rem; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }

/* ── Buttons ──────────────────────────────────────────────────── */
.btn {
  display:inline-flex; align-items:center; justify-content:center;
  padding:.65rem 1.4rem; border-radius:8px;
  font-family:var(--f-head); font-size:.9rem; font-weight:700;
  cursor:pointer; border:none; transition:all .15s; white-space:nowrap; text-decoration:none;
}
.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%; }
.btn-watch-active     { background:rgba(16,185,129,.15) !important; color:var(--bull) !important; border:1px solid rgba(16,185,129,.35) !important; }
.btn-added            { color:var(--bull) !important; border-color:rgba(16,185,129,.4) !important; }
.btn:disabled         { opacity:.5; cursor:not-allowed; }

/* ── 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; font-weight:700; }

/* ── Alerts ──────────────────────────────────────────────────── */
.alert          { padding:.75rem 1rem; border-radius:8px; font-size:.9rem; margin-bottom:1rem; }
.alert-error    { background:rgba(239,68,68,.1); border:1px solid rgba(239,68,68,.3); color:#FCA5A5; }
.alert-success  { background:rgba(16,185,129,.1); border:1px solid rgba(16,185,129,.3); color:#6EE7B7; }

/* ── Stat Grid ──────────────────────────────────────────────── */
.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(--f-mono); font-size:1.35rem; font-weight:700; }
.stat-sub   { font-size:.8rem; margin-top:.2rem; }
.stat-badge { display:inline-block; background:var(--surface-2); border:1px solid var(--border); color:var(--muted); font-size:.7rem; font-weight:700; padding:.1rem .5rem; border-radius:999px; margin-left:.5rem; vertical-align:middle; }

/* ── Table ──────────────────────────────────────────────────── */
.table-wrap  { overflow-x:auto; }
.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); white-space:nowrap; }
.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(--f-mono); font-size:3rem; font-weight:800; letter-spacing:2px; margin:.4rem 0; }
.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; align-items:center; padding:.55rem 0; border-bottom:1px solid var(--border); font-size:.9rem; }
.info-row:last-child  { border-bottom:none; }
.info-section-title   { font-size:.75rem; font-weight:700; color:var(--muted); text-transform:uppercase; letter-spacing:.5px; margin-bottom:.85rem; }

/* ── Landing: Hero ──────────────────────────────────────────── */
.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:.75rem; letter-spacing:2px; text-transform:uppercase; color:var(--primary); margin-bottom:1rem; }
.hero-title   { font-size:clamp(2.4rem,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:1.05rem; margin-bottom:2.5rem; line-height:1.9; }
.hero-cta     { display:flex; gap:1rem; justify-content:center; flex-wrap:wrap; }

/* ── Landing: Features ──────────────────────────────────────── */
.features       { display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,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; transition:border-color .15s; }
.feature-card:hover { border-color:var(--primary); }
.feature-icon   { font-size:2rem; display:block; margin-bottom:1rem; }
.feature-card h3 { font-size:1.05rem; 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); }

/* ── Landing: 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:680px; 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; white-space:nowrap; }
.plan-card h3  { font-size:1.3rem; margin-bottom:.5rem; }
.price         { font-family:var(--f-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 ───────────────────────────────────────────────────── */
.auth-page    { display:flex; align-items:center; justify-content:center; min-height:100vh; padding:1rem; }
.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-logo span { color:var(--primary); }
.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(--f-head); font-size:.95rem; outline:none; transition:border-color .15s; }
.auth-box input:focus { border-color:var(--primary); }
.auth-switch  { margin-top:1.2rem; font-size:.85rem; color:var(--muted); text-align:center; }

/* ── Dashboard ──────────────────────────────────────────────── */
.premium-teaser    { background:linear-gradient(135deg,var(--surface-2),rgba(99,102,241,.08)); border:1px solid rgba(99,102,241,.3); border-radius:14px; padding:2rem; text-align:center; margin-bottom:1.5rem; }
.premium-teaser h3 { font-size:1.2rem; margin-bottom:.5rem; }
.premium-teaser p  { color:var(--muted); margin-bottom:1.5rem; font-size:.95rem; }
.empty-state       { color:var(--muted); padding:2.5rem; 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; }
.market-tag        { background:var(--surface-2); color:var(--muted); border:1px solid var(--border); font-size:.75rem; padding:.1rem .5rem; border-radius:4px; font-family:var(--f-mono); }

/* ── 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       { display:grid; grid-template-columns:repeat(auto-fill,minmax(150px,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:1.1rem; 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-grid      { display:grid; grid-template-columns:repeat(auto-fill,minmax(95px,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-name         { font-size:.75rem; color:var(--text); margin-bottom:.25rem; font-weight:600; }
.heat-pct          { font-size:.85rem; font-weight:700; }
.two-col-grid      { display:grid; grid-template-columns:1fr 1fr; gap:1.5rem; margin-bottom:1.5rem; }
.symbol-link       { font-weight:700; color:var(--text); font-family:var(--f-mono); }
.symbol-link:hover { color:var(--primary); }
.stock-sub-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; }

/* ── 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(--f-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; }
.stock-stats-row     { display:grid; grid-template-columns:repeat(auto-fill,minmax(120px,1fr)); gap:.75rem; margin-bottom:1.5rem; }
.sstat               { background:var(--surface); border:1px solid var(--border); border-radius:8px; padding:.75rem 1rem; }
.sstat-label         { font-size:.7rem; color:var(--muted); margin-bottom:.2rem; }
.sstat-value         { font-size:.9rem; 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; }
.chart-toolbar       { display:flex; justify-content:space-between; align-items:center; padding:.65rem 1rem; border-bottom:1px solid var(--border); flex-wrap:wrap; gap:.5rem; }
.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(--f-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 .4rem; border:none; border-bottom:2px solid transparent; background:transparent; color:var(--muted); font-family:var(--f-head); font-size:.78rem; font-weight:600; cursor:pointer; transition:all .12s; white-space:nowrap; }
.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); }
.ai-signal-card, .ai-signal-locked { text-align:center; }
.week52-bar          { display:flex; align-items:center; gap:.75rem; 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%; }

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

/* ── Signals Page ────────────────────────────────────────────── */
.sig-badge       { display:inline-flex; align-items:center; gap:.3rem; padding:.2rem .65rem; border-radius:999px; font-size:.78rem; font-weight:700; white-space:nowrap; }
.sig-buy         { background:rgba(16,185,129,.15); color:var(--bull); border:1px solid rgba(16,185,129,.3); }
.sig-sell        { background:rgba(239,68,68,.15);  color:var(--bear); border:1px solid rgba(239,68,68,.3); }
.sig-hold        { background:rgba(245,158,11,.15); color:var(--amber);border:1px solid rgba(245,158,11,.3); }
.conf-inline     { display:flex; align-items:center; gap:.4rem; justify-content:center; }
.conf-bar-sm     { width:52px; height:5px; background:var(--border); border-radius:999px; overflow:hidden; flex-shrink:0; }
.conf-fill-sm    { height:100%; border-radius:999px; }
.conf-fill-sm.bull   { background:var(--bull); }
.conf-fill-sm.bear   { background:var(--bear); }
.conf-fill-sm.neutral{ background:var(--amber); }
.billing-toggle  { display:flex; gap:.25rem; margin-bottom:1rem; }
.text-center     { text-align:center !important; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 900px) {
  .stock-main-grid  { grid-template-columns:1fr; }
  .stock-info-col   { order:-1; }
  .stock-price      { font-size:1.5rem; }
  .prediction-grid  { grid-template-columns:1fr; }
  .indicators-grid  { grid-template-columns:1fr; }
}
@media (max-width: 768px) {
  .app-body         { flex-direction:column; }
  .sidebar          { width:100%; 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; }
  .two-col-grid     { grid-template-columns:1fr; }
  .heat-lg          { grid-column:span 1; }
  .indices-row      { grid-template-columns:repeat(2,1fr); }
  .navbar-links .navbar-name, .navbar-links .nav-sep { display:none; }
}
@media (max-width: 480px) {
  .main-content     { padding:1.5rem 1rem; }
  .hero-title       { font-size:2rem; }
  .indices-row      { grid-template-columns:1fr 1fr; }
  .stat-grid        { grid-template-columns:1fr 1fr; }
}