/* shared.css — estilos comunes para landing, admin y login.
   Hereda el tema "Terminal de Trading" definido en style.css. */

/* Override del lock de scroll de style.css cuando estamos en páginas full-scroll */
.page-light, .page-light body { height: auto !important; overflow: auto !important; }
body.page-light { background: var(--bg-primary); min-height: 100vh; }

/* ============ Topbar ============ */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: var(--header-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--accent-primary);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  letter-spacing: 0.05em;
}
.topbar .brand i { font-size: 18px; }

.topnav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.topnav a {
  padding: 8px 14px;
  border-radius: 6px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.02em;
  transition: background 0.15s, color 0.15s;
}
.topnav a:hover {
  background: var(--bg-hover);
  color: var(--accent-primary);
}
.lang-switch {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.lang-switch:hover { color: var(--accent-primary); border-color: var(--border-accent); }

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 6px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
  transition: all 0.15s;
}
.btn-primary {
  background: var(--accent-primary);
  color: var(--bg-primary);
}
.btn-primary:hover {
  background: var(--accent-secondary);
  box-shadow: 0 4px 16px var(--accent-glow);
}
.btn-secondary {
  background: transparent;
  color: var(--accent-primary);
  border-color: var(--border-accent);
}
.btn-secondary:hover { background: var(--accent-dim); }
.btn-danger {
  background: transparent;
  color: var(--bearish);
  border-color: rgba(255, 71, 87, 0.3);
}
.btn-danger:hover { background: rgba(255, 71, 87, 0.1); }
.btn-sm { padding: 6px 12px; font-size: 12px; }

/* ============ Landing ============ */
.landing { max-width: 1100px; margin: 0 auto; padding: 48px 24px 96px; }

.hero { text-align: center; padding: 64px 0 48px; }
.hero h1 {
  font-family: var(--font-display);
  font-size: 44px;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.hero .lead {
  color: var(--text-secondary);
  font-size: 17px;
  max-width: 720px;
  margin: 0 auto 28px;
  line-height: 1.6;
}
.cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.stats-section { margin-top: 48px; padding: 32px 0; border-top: 1px solid var(--border-subtle); }
.stats-section h2,
.features h2 {
  font-family: var(--font-display);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 28px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 24px;
  text-align: center;
  transition: border-color 0.2s;
}
.stat-card:hover { border-color: var(--border-accent); }
.stat-value {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: 6px;
}
.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.features { margin-top: 48px; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}
.feature-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 28px 24px;
  transition: border-color 0.2s, transform 0.15s;
}
.feature-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}
.feature-card i {
  font-size: 22px;
  color: var(--accent-primary);
  margin-bottom: 14px;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 15px;
  margin-bottom: 8px;
  color: var(--text-primary);
}
.feature-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.55;
}

.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
}

/* ============ Auth + Admin ============ */
.auth-shell {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}
.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 32px 28px;
}
.auth-card h1 {
  font-family: var(--font-display);
  font-size: 18px;
  text-align: center;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.field input, .field select {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}
.field input:focus, .field select:focus { border-color: var(--accent-primary); }
.error-msg { color: var(--bearish); font-size: 12px; margin-top: 8px; min-height: 16px; }

/* Admin layout */
.admin-shell { display: flex; height: calc(100vh - var(--header-height)); }
.admin-side {
  width: 220px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-subtle);
  padding: 16px 0;
  overflow-y: auto;
}
.admin-side a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  border-left: 2px solid transparent;
}
.admin-side a.active {
  color: var(--accent-primary);
  background: var(--accent-dim);
  border-left-color: var(--accent-primary);
}
.admin-side a:hover { background: var(--bg-hover); color: var(--text-primary); }
.admin-main {
  flex: 1;
  overflow: auto;
  padding: 28px 32px;
}
.admin-main h1 {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 22px;
}

/* Tables */
.table-wrap {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  overflow: hidden;
}
table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th, table.data td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}
table.data th {
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}
table.data tbody tr:hover { background: var(--bg-hover); }
table.data td.right { text-align: right; }
.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.toolbar input, .toolbar select {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 13px;
}

.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-family: var(--font-display);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.tag.green { background: rgba(0, 208, 132, 0.12); color: var(--accent-primary); }
.tag.red { background: rgba(255, 71, 87, 0.12); color: var(--bearish); }
.tag.yellow { background: rgba(255, 165, 2, 0.12); color: var(--warning); }
.tag.gray { background: var(--bg-hover); color: var(--text-muted); }

/* Modal */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
}
.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 24px;
  width: 100%;
  max-width: 480px;
}
.modal h2 {
  font-family: var(--font-display);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.modal-actions {
  display: flex; gap: 8px; justify-content: flex-end; margin-top: 18px;
}

@media (max-width: 720px) {
  .hero h1 { font-size: 32px; }
  .admin-shell { flex-direction: column; height: auto; }
  /* Sidebar → barra de pestañas horizontal con scroll (no consume alto) */
  .admin-side {
    width: 100%;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 6px 8px;
    gap: 4px;
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: var(--header-height);
    z-index: 40;
  }
  .admin-side a {
    flex: 0 0 auto;
    white-space: nowrap;
    padding: 8px 12px;
    border-left: none;
    border-bottom: 2px solid transparent;
    border-radius: 6px 6px 0 0;
  }
  .admin-side a.active {
    border-left-color: transparent;
    border-bottom-color: var(--accent-primary);
  }
  .admin-main { padding: 16px 14px; }
}

/* Topbar / topnav responsivos en móviles */
@media (max-width: 640px) {
  .topbar {
    height: auto;
    min-height: var(--header-height);
    flex-wrap: wrap;
    padding: 8px 14px;
    gap: 6px;
  }
  .topbar .brand { font-size: 14px; }
  .topbar .brand span { display: none; }
  .topnav {
    width: 100%;
    flex-wrap: wrap;
    gap: 4px;
    justify-content: flex-start;
  }
  .topnav a { padding: 6px 10px; font-size: 12px; }
  .topnav-user {
    order: 9;
    width: 100%;
    font-size: 11px !important;
    margin: 2px 0 0 !important;
  }
  .lang-switch { padding: 5px 8px; font-size: 12px; }
}