:root {
  --bg: #0f1419;
  --bg-elevated: #1a222d;
  --bg-card: #232d3b;
  --text: #e8edf4;
  --text-muted: #9aa8bc;
  --accent: #e8a838;
  --accent-soft: rgba(232, 168, 56, 0.15);
  --accent-hover: #f0bc5c;
  --success: #3dd68c;
  --danger: #f07178;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 14px;
  --radius-sm: 8px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--text);
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(232, 168, 56, 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(99, 102, 241, 0.08), transparent),
    var(--bg);
}

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

a:hover {
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem clamp(1rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(15, 20, 25, 0.85);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.brand-mark {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 20px var(--accent);
}

.brand h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.session-pill {
  font-size: 0.875rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-muted);
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.session-pill.active {
  color: var(--text);
  border-color: rgba(232, 168, 56, 0.35);
  background: var(--accent-soft);
}

.btn {
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.55rem 1.1rem;
  transition: background 0.2s, transform 0.15s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--accent);
  color: #1a1206;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.2);
}

.layout {
  display: grid;
  grid-template-columns: minmax(280px, 340px) 1fr;
  gap: clamp(1.25rem, 3vw, 2rem);
  padding: clamp(1.25rem, 4vw, 2.5rem);
  max-width: 1280px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.panel h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
}

.panel.hidden {
  display: none;
}

.tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
  background: var(--bg-card);
  padding: 0.25rem;
  border-radius: var(--radius-sm);
}

.tab {
  flex: 1;
  padding: 0.5rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.875rem;
  border-radius: 6px;
  cursor: pointer;
}

.tab.active {
  background: var(--bg-elevated);
  color: var(--text);
}

.tab-panel.hidden {
  display: none;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
}

.field label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.field input,
.field select,
.field textarea {
  font-family: inherit;
  font-size: 0.95rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
}

.field input::placeholder {
  color: #6b7a8f;
}

.main {
  min-width: 0;
}

.hero {
  margin-bottom: 1.5rem;
}

.hero h2 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 500;
  line-height: 1.2;
  max-width: 18ch;
}

.hero p {
  margin: 0 0 1.25rem;
  color: var(--text-muted);
  max-width: 42ch;
}

.search-bar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.search-bar input {
  flex: 1;
  min-width: 200px;
  font-family: inherit;
  font-size: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
}

.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.event-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  transition: border-color 0.2s, transform 0.2s;
}

.event-card:hover {
  border-color: rgba(232, 168, 56, 0.35);
  transform: translateY(-2px);
}

.event-card header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.event-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.3;
}

.badge {
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  text-transform: lowercase;
  flex-shrink: 0;
}

.badge.abierto {
  background: rgba(61, 214, 140, 0.15);
  color: var(--success);
}

.badge.cerrado {
  background: rgba(240, 113, 120, 0.12);
  color: var(--danger);
}

.event-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.event-meta strong {
  color: var(--text);
  font-weight: 500;
}

.event-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.event-card .btn {
  margin-top: auto;
  width: 100%;
}

.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-muted);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

.inscripciones-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.inscripciones-list li {
  font-size: 0.875rem;
  padding: 0.5rem 0.65rem;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.site-footer {
  text-align: center;
  padding: 2rem 1rem 3rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.toast-stack {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: min(360px, calc(100vw - 2rem));
}

.toast {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
  animation: toast-in 0.35s ease;
}

.toast.ok {
  border-color: rgba(61, 214, 140, 0.4);
}

.toast.err {
  border-color: rgba(240, 113, 120, 0.4);
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}