:root {
  --bg: #0B1420;
  --surface: #131F30;
  --surface-hover: #1B2C42;
  --accent: #F2A93B;
  --accent-cool: #4FD1C5;
  --text: #E8EDF2;
  --text-muted: #8B9BAE;
  --border: #24344A;

  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
}

.brand-mark { color: var(--accent); }

.site-nav { display: flex; align-items: center; gap: 1.5rem; }
.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}
.site-nav a:hover { color: var(--accent-cool); }

.nav-user-menu {
  position: relative;
}

.nav-user-trigger {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
}

.chevron {
  font-size: 0.6rem;
  transition: transform 0.15s ease;
}
.nav-user-menu.open .chevron { transform: rotate(180deg); }

.nav-user-dropdown {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.6rem;
  padding: 0.5rem;
  min-width: 170px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  z-index: 10;
}
.nav-user-menu.open .nav-user-dropdown { display: flex; }

.nav-user-dropdown a,
.nav-user-dropdown .link-button {
  display: block;
  width: 100%;
  padding: 0.4rem 0.5rem;
  border-radius: 4px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.nav-user-dropdown a:hover,
.nav-user-dropdown .link-button:hover {
  background: var(--surface-hover);
  color: var(--accent-cool);
}

.nav-guardados {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.nav-guardados-titulo {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0.2rem 0.5rem 0.3rem;
}

.nav-guardados-grupo-trigger {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  background: none;
  border: none;
  padding: 0.35rem 0.5rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text);
  cursor: pointer;
}
.nav-guardados-grupo-trigger:hover {
  background: var(--surface-hover);
  color: var(--accent-cool);
}
.nav-guardados-grupo-trigger .chevron {
  font-size: 0.6rem;
  transition: transform 0.15s ease;
}
.nav-guardados-grupo.open .chevron { transform: rotate(180deg); }

.nav-guardados-grupo-lista {
  display: none;
  flex-direction: column;
  padding-left: 0.75rem;
}
.nav-guardados-grupo.open .nav-guardados-grupo-lista { display: flex; }

.nav-guardado-item {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-guardado-item form:first-child { flex: 1; min-width: 0; }
.nav-guardado-nombre {
  display: block;
  width: 100%;
  padding: 0.35rem 0.5rem;
  border-radius: 4px;
  text-align: left;
  background: none;
  border: none;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text);
  cursor: pointer;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.nav-guardado-nombre:hover { color: var(--accent-cool); background: var(--surface-hover); }
.nav-guardado-item .link-button {
  width: auto;
  padding: 0.35rem 0.5rem;
}
.nav-dropdown-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0.4rem 0;
}

.link-button {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

/* Dashboard: cabecera, filtros, gráficos, tabla */
.dashboard-header {
  max-width: 960px;
  margin: 3rem auto 1.5rem;
  padding: 0 2rem;
}
.dashboard-header h1 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  margin: 0.75rem 0 0;
}

.dashboard-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 1.5rem;
  max-width: 960px;
  margin: 0 auto 1.5rem;
  padding: 0 2rem;
}
.dashboard-filters label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}
.dashboard-filters select {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 0.4rem;
  font-family: var(--font-body);
}

.fase-selector {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  border: none;
  padding: 0;
  margin: 0;
}
.fase-selector legend {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  padding: 0;
  margin-bottom: 0.1rem;
}
.fase-opcion {
  display: flex !important;
  flex-direction: row !important;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-body) !important;
  font-size: 0.85rem !important;
  color: var(--text) !important;
}

.filter-submit {
  background: var(--accent);
  border: none;
  border-radius: 6px;
  padding: 0.5rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--bg);
  cursor: pointer;
}
.filter-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.filter-reset {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.filter-reset:hover { color: var(--accent-cool); }

.chart-container {
  max-width: 960px;
  margin: 0 auto 1.5rem;
  padding: 0 2rem;
}

.data-table {
  width: 100%;
  max-width: 960px;
  margin: 0 auto 1.5rem;
  padding: 0 2rem;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.data-table th, .data-table td {
  text-align: left;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--border);
}
.data-table th { color: var(--text-muted); font-weight: 500; }

.fila-oculta { display: none; }

.table-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  max-width: 960px;
  margin: 0 auto 4rem;
  padding: 0 2rem;
}

.filter-submit-secondary {
  background: none;
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 0.5rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  cursor: pointer;
}

.evolucion-nota {
  max-width: 960px;
  margin: 0 auto 1.5rem;
  padding: 1rem 1.25rem;
  background: var(--surface);
  border-radius: 10px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.evolucion-nota span { color: var(--text-muted); }

.login-prompt {
  max-width: 960px;
  margin: 0 auto 4rem;
  padding: 0 2rem;
  color: var(--text-muted);
}
.login-prompt a { color: var(--accent-cool); }

.hero {
  position: relative;
  padding: 5rem 2rem 4rem;
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
  overflow: hidden;
}

.hero-routes {
  position: absolute;
  inset: -2rem -4rem auto -4rem;
  height: 260px;
  width: calc(100% + 8rem);
  opacity: 0.35;
  pointer-events: none;
}
.hero-routes path {
  fill: none;
  stroke: var(--accent-cool);
  stroke-width: 1.5;
}
.hero-routes .waypoint { fill: var(--accent); }

.eyebrow {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.hero h1 {
  position: relative;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  line-height: 1.1;
  margin: 0 0 1.25rem;
}

.hero-sub {
  position: relative;
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto;
}

.dashboards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  max-width: 960px;
  margin: 0 auto 5rem;
  padding: 0 2rem;
}

.dash-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.dash-card:hover {
  background: var(--surface-hover);
  border-color: var(--accent-cool);
}

.dash-code {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 4px;
  padding: 0.15rem 0.45rem;
  margin-bottom: 0.75rem;
}

.dash-card h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0 0 0.5rem;
}

.dash-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0 0 1rem;
}

.dash-status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.placeholder {
  max-width: 480px;
  margin: 6rem auto;
  padding: 0 2rem;
  text-align: center;
}
.placeholder h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  margin: 1rem 0;
}
.placeholder p { color: var(--text-muted); margin-bottom: 1.5rem; }
.back-link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cool);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 2rem;
  text-align: center;
}
.site-footer p {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin: 0;
}
.site-footer a { color: var(--accent-cool); }

@media (max-width: 640px) {
  .site-header { flex-direction: column; gap: 1rem; }
}