/* ============================================
   TRADELOG — design tokens
   Concepto: terminal de trading nocturna que
   puede "apagarse" a un modo papel/ticket diurno.
   ============================================ */

:root {
  /* Tema oscuro (terminal) — por defecto */
  --bg: #0a0e14;
  --bg-elevated: #11161f;
  --bg-card: #131a24;
  --border: #232c3a;
  --text: #e7edf5;
  --text-dim: #8a98ab;
  --accent: #39ff8d;      /* verde long */
  --accent-2: #00d4ff;    /* cian datos */
  --danger: #ff4d6d;      /* rojo short */
  --warning: #ffc145;
  --radius: 10px;
  --radius-lg: 16px;
  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --shadow: 0 8px 24px rgba(0,0,0,0.35);
  --transition: 180ms ease;
}

[data-theme="light"] {
  --bg: #f4f6f9;
  --bg-elevated: #ffffff;
  --bg-card: #ffffff;
  --border: #dde3ea;
  --text: #131a24;
  --text-dim: #5a6678;
  --accent: #0f9d58;
  --accent-2: #0077b6;
  --danger: #d62839;
  --warning: #b8860b;
  --shadow: 0 4px 16px rgba(20,30,50,0.08);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
  min-height: 100vh;
  transition: background var(--transition), color var(--transition);
}

h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}

.mono { font-family: var(--font-mono); }

a { color: var(--accent-2); text-decoration: none; }

button, input, select, textarea {
  font-family: inherit;
  color: inherit;
}

img { max-width: 100%; display: block; }

:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(6px);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  max-width: 1080px;
  margin: 0 auto;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
}
.brand .dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.nav-links a, .nav-links button {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.92rem;
  color: var(--text-dim);
  padding: 8px 12px;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}
.nav-links a:hover, .nav-links button:hover {
  background: var(--bg-card);
  color: var(--text);
}
.nav-links a.active {
  color: var(--accent);
  background: rgba(57,255,141,0.08);
}

.icon-btn {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  background: var(--accent);
  color: #06140a;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.92rem;
  transition: transform var(--transition), filter var(--transition);
}
.btn:hover { filter: brightness(1.08); }
.btn:active { transform: scale(0.98); }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-danger { background: var(--danger); color: #fff; }
.btn-block { width: 100%; justify-content: center; }
.btn-sm { padding: 6px 12px; font-size: 0.82rem; }

/* ---------- Hero ---------- */
.hero {
  padding: 56px 20px 40px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -60px; right: -60px;
  width: 280px; height: 280px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  opacity: 0.12;
  pointer-events: none;
}
.hero h1 {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  max-width: 720px;
  margin-bottom: 14px;
}
.hero p {
  color: var(--text-dim);
  max-width: 560px;
  margin-bottom: 22px;
}

/* ---------- Filter bar ---------- */
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin: 24px 0;
}
.filter-bar .pill-group {
  display: flex;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.pill-group button {
  border: none;
  background: none;
  color: var(--text-dim);
  padding: 8px 14px;
  cursor: pointer;
  font-size: 0.85rem;
}
.pill-group button.active {
  background: var(--accent);
  color: #06140a;
  font-weight: 600;
}
.search-input {
  flex: 1;
  min-width: 180px;
  padding: 9px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
}

/* ---------- Trade feed / cards ---------- */
.feed-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 40px;
}

.trade-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), border-color var(--transition);
}
.trade-card:hover { border-color: var(--accent-2); }

.tc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  gap: 10px;
  flex-wrap: wrap;
}
.tc-user {
  display: flex;
  align-items: center;
  gap: 10px;
}
.avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  color: #06140a;
  font-size: 0.9rem;
}
.tc-user .meta { display: flex; flex-direction: column; }
.tc-user .username { font-weight: 600; font-size: 0.92rem; }
.tc-user .time { font-size: 0.76rem; color: var(--text-dim); }

.badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 9px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.badge-long { background: rgba(57,255,141,0.15); color: var(--accent); }
.badge-short { background: rgba(255,77,109,0.15); color: var(--danger); }
.badge-backtest { background: rgba(0,212,255,0.15); color: var(--accent-2); }

.tc-pair {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.tc-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
.tc-stats .stat-label { color: var(--text-dim); display: block; font-size: 0.7rem; }
.tc-stats .stat-value { color: var(--text); }
.stat-pos { color: var(--accent); }
.stat-neg { color: var(--danger); }

.tc-images {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  gap: 6px;
  margin-bottom: 12px;
}
.tc-images img {
  width: 100%;
  height: 90px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.tc-notes {
  color: var(--text-dim);
  font-size: 0.88rem;
  margin-bottom: 14px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.tc-actions {
  display: flex;
  gap: 10px;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}
.tc-actions button {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 10px;
  border-radius: var(--radius);
}
.tc-actions button:hover { background: var(--bg-elevated); color: var(--text); }
.tc-actions button.liked { color: var(--accent); }

/* ---------- Forms ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
}
.auth-wrap {
  max-width: 420px;
  margin: 60px auto;
  padding: 0 20px;
}
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 0.84rem;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 0.92rem;
}
.form-group textarea { resize: vertical; min-height: 90px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-dim);
}
.form-check input { width: auto; }
.error-msg {
  background: rgba(255,77,109,0.1);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 0.86rem;
  margin-bottom: 14px;
  display: none;
}
.error-msg.show { display: block; }
.success-msg {
  background: rgba(57,255,141,0.1);
  color: var(--accent);
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 0.86rem;
  margin-bottom: 14px;
  display: none;
}
.success-msg.show { display: block; }

.file-drop {
  border: 1.5px dashed var(--border);
  border-radius: var(--radius);
  padding: 18px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  cursor: pointer;
}
.file-drop:hover { border-color: var(--accent-2); }
.preview-row {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  flex-wrap: wrap;
}
.preview-row img {
  width: 64px; height: 64px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
}

/* ---------- Profile ---------- */
.profile-head {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.profile-head .avatar { width: 64px; height: 64px; font-size: 1.4rem; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 18px 0 28px;
}
.stat-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  text-align: center;
}
.stat-box .num { font-family: var(--font-mono); font-size: 1.4rem; font-weight: 700; }
.stat-box .lbl { font-size: 0.76rem; color: var(--text-dim); }

/* ---------- Comments ---------- */
.comment {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}
.comment .bubble {
  background: var(--bg-elevated);
  border-radius: var(--radius);
  padding: 10px 12px;
  font-size: 0.88rem;
  flex: 1;
}
.comment .bubble .cu { font-weight: 600; font-size: 0.82rem; margin-bottom: 2px; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 20px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.82rem;
}

/* ---------- Toast ---------- */
#toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  opacity: 0;
  transition: opacity 200ms ease, transform 200ms ease;
  z-index: 100;
  font-size: 0.88rem;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- Responsive breakpoints ---------- */
/* Tablet: 768px - 1024px */
@media (min-width: 768px) {
  .feed-grid { grid-template-columns: repeat(2, 1fr); }
  .hero { padding: 72px 20px 48px; }
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
}

/* Desktop: > 1024px */
@media (min-width: 1024px) {
  .feed-grid { grid-template-columns: repeat(3, 1fr); }
  .hero h1 { font-size: 2.8rem; }
}

/* Movil estrecho */
@media (max-width: 480px) {
  .nav-links span.label { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .nav-row { padding: 10px 14px; }
  .hero { padding: 40px 14px 32px; }
}

.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-elevated) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius-lg);
  height: 220px;
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}