/* ═══════════════════════════════════════════════════
   ANÁLISIS OPCIONES S&P 500 — Trading Terminal Theme
   Fonts: JetBrains Mono (data) · Outfit (UI)
   Accent: Indigo #818cf8
   ═══════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* ── Global font scale ──────────────────────────── */
html { font-size: 115%; }   /* scales ALL rem values: Tailwind + custom CSS */

/* ── Design Tokens ─────────────────────────────── */
:root {
  --bg-base:       #09090b;
  --bg-surface:    #0f0f12;
  --bg-elevated:   #18181b;
  --bg-hover:      #1f1f23;
  --border:        #27272a;
  --border-subtle: #1c1c20;

  --text-primary:  #fafafa;
  --text-secondary:#a1a1aa;
  --text-muted:    #52525b;

  --accent:        #818cf8;
  --accent-dim:    rgba(129,140,248,0.10);
  --accent-glow:   rgba(129,140,248,0.22);

  --green:         #22c55e;
  --green-dim:     rgba(34,197,94,0.12);
  --red:           #ef4444;
  --red-dim:       rgba(239,68,68,0.12);
  --blue:          #60a5fa;
  --orange:        #fb923c;
  --purple:        #a78bfa;

  --r-sm:  5px;
  --r:     9px;
  --r-lg:  13px;

  --font-ui:   'Outfit', sans-serif;
  --font-data: 'JetBrains Mono', monospace;

  --ease: cubic-bezier(0.4,0,0.2,1);
  --t:    0.15s var(--ease);
}

/* ── Base ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: var(--font-ui);
  background: var(--bg-base);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Scrollbar ───────────────────────────────────── */
::-webkit-scrollbar       { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ── Sidebar ────────────────────────────────────── */
#sidebar {
  background: var(--bg-surface) !important;
  border-right: 1px solid var(--border-subtle) !important;
  /* Subtle grid texture */
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px) !important;
  background-size: 24px 24px !important;
  background-color: var(--bg-surface) !important;
}

#sidebar h1 {
  font-family: var(--font-ui) !important;
  font-size: 0.75rem !important;
  font-weight: 800 !important;
  letter-spacing: 0.12em !important;
  text-transform: uppercase !important;
  color: var(--accent) !important;
  border-bottom: 1px solid var(--border-subtle) !important;
  padding-bottom: 0.875rem !important;
  margin-bottom: 1rem !important;
}

/* Sidebar section headings */
#sidebar h3 {
  font-family: var(--font-ui) !important;
  font-size: 0.68rem !important;
  font-weight: 700 !important;
  letter-spacing: 0.11em !important;
  text-transform: uppercase !important;
  color: var(--text-muted) !important;
}

/* Staggered sidebar load */
@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
#sidebar > div > *:nth-child(1) { animation: fadeSlideIn 0.28s var(--ease) 0.04s both; }
#sidebar > div > *:nth-child(2) { animation: fadeSlideIn 0.28s var(--ease) 0.09s both; }
#sidebar > div > *:nth-child(3) { animation: fadeSlideIn 0.28s var(--ease) 0.14s both; }
#sidebar > div > *:nth-child(4) { animation: fadeSlideIn 0.28s var(--ease) 0.19s both; }
#sidebar > div > *:nth-child(5) { animation: fadeSlideIn 0.28s var(--ease) 0.24s both; }
#sidebar > div > *:nth-child(6) { animation: fadeSlideIn 0.28s var(--ease) 0.29s both; }

/* ── Market Cards (S&P 500 / VIX) ───────────────── */
#market-panel .bg-gray-700 {
  background: var(--bg-elevated) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--r) !important;
  position: relative;
  overflow: hidden;
}
#market-panel .bg-gray-700::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1.5px;
  background: linear-gradient(90deg, var(--accent) 0%, transparent 70%);
}

#spx-price,
#vix-price {
  font-family: var(--font-data) !important;
  font-size: 1.5rem !important;
  font-weight: 700 !important;
  letter-spacing: -0.025em !important;
  color: var(--text-primary) !important;
}
#spx-change,
#vix-change {
  font-family: var(--font-data) !important;
  font-size: 0.7rem !important;
  font-weight: 600 !important;
}
#spx-timestamp,
#vix-timestamp {
  font-family: var(--font-data) !important;
  font-size: 0.7rem !important;
  color: var(--text-muted) !important;
  letter-spacing: 0.04em;
}

@keyframes priceFlash {
  0%,100% { opacity:1; }
  50%      { color: var(--accent); }
}
.price-updated { animation: priceFlash 0.5s var(--ease); }

/* ── Action Buttons ─────────────────────────────── */
button[onclick="refreshMarketData()"] {
  background: transparent !important;
  border: 1px solid var(--accent) !important;
  color: var(--accent) !important;
  border-radius: var(--r-sm) !important;
  font-family: var(--font-ui) !important;
  font-size: 0.7rem !important;
  font-weight: 700 !important;
  letter-spacing: 0.07em !important;
  text-transform: uppercase !important;
  transition: var(--t) !important;
  padding: 0.45rem !important;
}
button[onclick="refreshMarketData()"]:hover {
  background: var(--accent-dim) !important;
  box-shadow: 0 0 14px var(--accent-glow) !important;
}
button[onclick="clearCacheAndReload()"] {
  background: transparent !important;
  border: 1px solid rgba(239,68,68,0.4) !important;
  color: var(--red) !important;
  border-radius: var(--r-sm) !important;
  font-family: var(--font-ui) !important;
  font-size: 0.7rem !important;
  font-weight: 700 !important;
  letter-spacing: 0.07em !important;
  text-transform: uppercase !important;
  transition: var(--t) !important;
}
button[onclick="clearCacheAndReload()"]:hover {
  background: var(--red-dim) !important;
}

/* ── Strike Sugerido Card ───────────────────────── */
#strike-result {
  background: var(--bg-elevated) !important;
  border: 1px solid var(--accent) !important;
  border-radius: var(--r) !important;
  box-shadow: 0 0 22px var(--accent-glow), inset 0 0 30px rgba(129,140,248,0.03) !important;
  position: relative;
}
#strike-value {
  font-family: var(--font-data) !important;
  font-size: 1.875rem !important;
  font-weight: 700 !important;
  letter-spacing: -0.03em !important;
  color: var(--text-primary) !important;
}

/* ── Selects ────────────────────────────────────── */
select {
  background: var(--bg-elevated) !important;
  border: 1px solid var(--border) !important;
  color: var(--text-primary) !important;
  border-radius: var(--r-sm) !important;
  font-family: var(--font-ui) !important;
  font-size: 0.8125rem !important;
  transition: var(--t);
  appearance: none !important;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2371717a' stroke-width='1.5' stroke-linecap='round' fill='none'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: right 10px center !important;
  padding-right: 30px !important;
}
select:focus { outline: none; border-color: var(--accent) !important; box-shadow: 0 0 0 2px var(--accent-glow); }

/* ── Inputs ─────────────────────────────────────── */
input[type="number"],
input[type="text"],
input[type="date"] {
  background: var(--bg-elevated) !important;
  border: 1px solid var(--border) !important;
  color: var(--text-primary) !important;
  border-radius: var(--r-sm) !important;
  font-family: var(--font-ui) !important;
  font-size: 0.8125rem !important;
  transition: var(--t);
}
input:focus { outline: none; border-color: var(--accent) !important; box-shadow: 0 0 0 2px var(--accent-glow); }
input[readonly] {
  background: var(--bg-surface) !important;
  color: var(--green) !important;
  font-family: var(--font-data) !important;
  font-weight: 700 !important;
  border-color: rgba(34,197,94,0.3) !important;
}
input[type="range"] { accent-color: var(--accent); }

/* ── Semáforo ────────────────────────────────────── */
#semaforo {
  background: var(--bg-elevated) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--r) !important;
}

/* ── Tab Navigation ─────────────────────────────── */
.tab-btn {
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--r-sm);
  padding: 0.45rem 0.75rem;
  transition: var(--t);
  border-left: 2px solid transparent;
  background: transparent;
}
.tab-btn:hover {
  background: var(--accent-dim) !important;
  color: var(--accent) !important;
  border-left-color: var(--accent);
}
.tab-btn.active {
  background: var(--accent-dim) !important;
  color: var(--accent) !important;
  font-weight: 700;
  border-left-color: var(--accent);
}

/* ── Sub-tab Buttons ────────────────────────────── */
.sub-tab-btn {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.35rem 0.875rem;
  border-radius: var(--r-sm);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  background: var(--bg-elevated) !important;
  transition: var(--t);
}
.sub-tab-btn:hover {
  border-color: var(--accent) !important;
  color: var(--accent) !important;
  background: var(--accent-dim) !important;
}
.sub-tab-btn.active {
  background: var(--accent) !important;
  color: #fff !important;
  font-weight: 800;
  border-color: var(--accent) !important;
}

/* ── Metric Cards ───────────────────────────────── */
.metric-card {
  background: var(--bg-elevated) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--r-lg) !important;
  padding: 1.125rem 1rem !important;
  color: var(--text-primary) !important;
  text-align: center;
  transition: var(--t);
  position: relative;
  overflow: hidden;
}
.metric-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 20%; right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.04), transparent);
}
.metric-card:hover {
  border-color: rgba(129,140,248,0.4) !important;
  box-shadow: 0 6px 24px rgba(0,0,0,0.5);
  transform: translateY(-1px);
}
.metric-card .label {
  font-family: var(--font-ui);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.metric-card .value {
  font-family: var(--font-data);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.025em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.metric-card .subtitle {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-top: 0.375rem;
}

/* Color accent borders (top line per card type) */
.card-gradient-purple { border-top: 2px solid var(--purple) !important; }
.card-gradient-green  { border-top: 2px solid var(--green)  !important; }
.card-gradient-red    { border-top: 2px solid var(--red)    !important; }
.card-gradient-orange { border-top: 2px solid var(--orange) !important; }
.card-gradient-blue   { border-top: 2px solid var(--blue)   !important; }
.card-gradient-gray   { border-top: 2px solid #52525b       !important; }

/* ── Tables ─────────────────────────────────────── */
table { width: 100%; border-collapse: collapse; }
table th {
  background: var(--bg-surface) !important;
  padding: 0.5rem 0.75rem;
  text-align: left;
  font-family: var(--font-ui);
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 1;
}
table td {
  padding: 0.45rem 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}
table tr:nth-child(even) td { background: rgba(255,255,255,0.012); }
table tr:hover td { background: var(--accent-dim) !important; }
/* Operation number column */
table td:first-child {
  font-family: var(--font-data);
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* ── Filter Buttons ─────────────────────────────── */
.ftabla-btn {
  font-family: var(--font-ui) !important;
  font-size: 0.72rem !important;
  font-weight: 600 !important;
  border-radius: var(--r-sm) !important;
  padding: 0.28rem 0.7rem !important;
  transition: var(--t) !important;
  border: 1px solid var(--border) !important;
  background: var(--bg-elevated) !important;
  color: var(--text-secondary) !important;
}
.ftabla-btn:hover { border-color: var(--accent) !important; color: var(--accent) !important; }
.ftabla-btn.bg-indigo-600,
.ftabla-btn[class*="bg-indigo"] {
  background: var(--accent) !important;
  color: #fff !important;
  border-color: var(--accent) !important;
  font-weight: 800 !important;
}

/* ── Generic Content Cards ──────────────────────── */
.bg-gray-800 { background: var(--bg-elevated) !important; }
/* Content cards (rounded-xl bg-gray-800) get a subtle border */
main .bg-gray-800 { border: 1px solid var(--border) !important; }
.bg-gray-700 { background: var(--bg-hover) !important; }

/* ── General Buttons in Content ─────────────────── */
main button:not(.tab-btn):not(.sub-tab-btn):not(.ftabla-btn) {
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--r-sm);
  transition: var(--t);
}
main .bg-indigo-600  { background: var(--accent) !important; color: #fff !important; }
main .bg-orange-600  { background: var(--orange) !important; }
main .bg-red-600     { background: var(--red)    !important; }
main .hover\:bg-indigo-700:hover { background: #4f46e5 !important; }

/* ── Color Token Overrides ───────────────────────── */
.text-indigo-400,
.text-indigo-300 { color: var(--accent) !important; }
.bg-indigo-900\/50, .bg-indigo-900 { background: var(--accent-dim) !important; }
.bg-indigo-600    { background: var(--accent) !important; color: #fff !important; }
.border-indigo-600 { border-color: var(--accent) !important; }
.text-green-400   { color: var(--green)  !important; }
.text-red-400     { color: var(--red)    !important; }
.text-orange-400  { color: var(--orange) !important; }
.text-blue-400    { color: var(--blue)   !important; }
.text-purple-400  { color: var(--purple) !important; }
.text-gray-400    { color: var(--text-secondary) !important; }
.text-gray-500    { color: var(--text-muted)     !important; }
.text-gray-300    { color: var(--text-primary)   !important; }
.text-white       { color: var(--text-primary)   !important; }

/* ── Spinner ─────────────────────────────────────── */
.spinner {
  border: 2px solid var(--border);
  border-top: 2px solid var(--accent);
  border-radius: 50%;
  width: 20px;
  height: 20px;
  animation: spin 0.65s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Main headings ───────────────────────────────── */
main h2 {
  font-family: var(--font-ui);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
main h3 {
  font-family: var(--font-ui);
  font-weight: 600;
  color: var(--text-primary);
}

/* ── Prima Neta display ─────────────────────────── */
#op-prima-neta-display {
  font-family: var(--font-data) !important;
  background: var(--bg-surface) !important;
  color: var(--green) !important;
  border: 1px solid rgba(34,197,94,0.25) !important;
  font-weight: 700 !important;
  border-radius: var(--r-sm) !important;
}

/* ── Plotly chart background override ───────────── */
.js-plotly-plot .plotly .bg {
  fill: var(--bg-elevated) !important;
}

/* ── Mobile Responsive ───────────────────────────── */

#mobile-topbar {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 30;
  height: 52px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  align-items: center;
  padding: 0 1rem;
  gap: 0.75rem;
}
#mobile-topbar .hamburger {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 0.4rem;
  border-radius: var(--r-sm);
  cursor: pointer;
  flex-shrink: 0;
  line-height: 1;
}
#mobile-topbar .hamburger:active { background: var(--accent-dim); color: var(--accent); }
#mobile-topbar .mob-title {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  flex: 1;
}
#mobile-topbar .mob-prices {
  display: flex;
  gap: 0.75rem;
  font-family: var(--font-data);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-secondary);
  flex-shrink: 0;
}

#sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: 39;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}
#sidebar-overlay.show { display: block; }

#sidebar-close {
  display: none;
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: var(--r-sm);
  line-height: 1;
  z-index: 1;
}
#sidebar-close:active { background: var(--bg-hover); color: var(--text-primary); }

@media (max-width: 767px) {
  html { font-size: 100%; }

  #mobile-topbar { display: flex !important; }
  #sidebar-close  { display: block !important; }

  body { padding-top: 52px; overflow-x: hidden; }

  /* Sidebar: fixed drawer, hidden off-screen */
  #sidebar {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    transform: translateX(-100%);
    width: 256px !important;
    height: 100vh !important;
    z-index: 40 !important;
    transition: transform 0.28s var(--ease) !important;
  }
  #sidebar.sidebar-open {
    transform: translateX(0) !important;
    box-shadow: 6px 0 40px rgba(0,0,0,0.8);
  }

  /* Main: full width, no horizontal overflow */
  main {
    width: 100% !important;
    max-width: 100vw !important;
    overflow-x: hidden !important;
    min-height: calc(100vh - 52px);
    padding: 0.75rem !important;
  }

  /* Prevent any element from causing horizontal scroll */
  main * { max-width: 100%; }

  /* Controls with flex: stack vertically on mobile */
  main .flex.flex-wrap.items-end,
  main .flex.gap-4.flex-wrap {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.5rem !important;
  }

  /* Sub-tab buttons: horizontal scroll row */
  main .flex.gap-2,
  main .flex.gap-1 {
    overflow-x: auto !important;
    flex-wrap: nowrap !important;
    padding-bottom: 2px;
    -webkit-overflow-scrolling: touch;
  }

  /* Charts: reduce height on mobile */
  [style*="height: 420px"] { height: 280px !important; }
  [style*="height: 400px"] { height: 260px !important; }
  [style*="height: 350px"] { height: 240px !important; }
  [style*="height: 500px"] { height: 300px !important; }
  [style*="height: 600px"] { height: 320px !important; }

  /* Tables: horizontal scroll */
  main table {
    font-size: 0.7rem !important;
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  /* Metric cards: 2 columns */
  .grid-cols-4,
  .grid-cols-3 { grid-template-columns: repeat(2, 1fr) !important; }

  /* Selects and inputs full width on mobile */
  main select { width: 100% !important; max-width: 100% !important; }
}