/* ============================================================
   KPOP GALA — GLOBAL.CSS
   Variables, reset, tipografía, navbar, utilidades compartidas
   ============================================================ */

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

/* ── Variables ───────────────────────────────────────────────── */
:root {
  color-scheme: dark;
  --bg: #0b0b0f;
  --surface: #141419;
  --elevated: #1c1c23;
  --surface-hover: #24242e;
  --text: #f5f5f7;
  --text-soft: #c1c1ce;
  --text-muted: #8d8d98;
  --border: rgba(255, 255, 255, .10);
  --border-strong: rgba(255, 255, 255, .18);
  --on-accent: #0b0b0f;
  --overlay: rgba(0, 0, 0, .68);

  /* Product roles. Participant colors stay independent of category colors. */
  --accent-song: #f472b6;
  --accent-artist: #22d3ee;
  --accent-album: #a78bfa;
  --accent-bside: #4ade80;
  --accent-gala: #facc15;
  --song-tint: rgba(244, 114, 182, .10);
  --artist-tint: rgba(34, 211, 238, .10);
  --album-tint: rgba(167, 139, 250, .10);
  --bside-tint: rgba(74, 222, 128, .10);
  --gala-tint: rgba(250, 204, 21, .08);
  --success: #4ade80;
  --danger: #fb7185;
  --focus: #67e8f9;
  --control-accent: var(--accent-song);
  --control-tint: var(--song-tint);

  /* Compatibility aliases: existing templates and APIs retain their names. */
  --bg2: var(--bg);
  --surface2: var(--elevated);
  --surface-elevated: var(--elevated);
  --rosa: var(--accent-song);
  --cyan: var(--accent-artist);
  --violeta: var(--accent-album);
  --verde: var(--accent-bside);
  --amarillo: var(--accent-gala);
  --p1: var(--accent-song);
  --p2: var(--accent-artist);
  --rosa-glow: rgba(244, 114, 182, .14);
  --cyan-glow: rgba(34, 211, 238, .12);
  --violeta-glow: rgba(167, 139, 250, .14);
  --verde-glow: rgba(74, 222, 128, .12);
  --amarillo-glow: rgba(250, 204, 21, .12);

  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --content-normal: 1200px;
  --content-wide: 1280px;
  --page-gutter: var(--space-6);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: var(--radius-lg);
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, .16);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, .22);
  --shadow-lg: 0 18px 48px rgba(0, 0, 0, .36);

  --font-body: 'DM Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-display: var(--font-body);
  --font-mono: ui-monospace, 'Cascadia Code', 'SFMono-Regular', Consolas, monospace;
  --text-xs: .75rem;
  --text-sm: .875rem;
  --text-base: 1rem;
  --text-title: clamp(2rem, 5vw, 3.2rem);
  --duration-fast: 150ms;
  --duration-base: 220ms;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

/* ── Reset ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; font-family: var(--font-body); }
input, select, textarea { font-family: var(--font-body); }

/* ── Fondo decorativo ────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 600px 400px at 10% 20%, var(--rosa-glow) 0%, transparent 70%),
    radial-gradient(ellipse 500px 350px at 90% 80%, var(--cyan-glow) 0%, transparent 70%),
    radial-gradient(ellipse 400px 300px at 50% 50%, var(--album-tint) 0%, transparent 70%);
  opacity: .35;
  pointer-events: none;
  z-index: 0;
}

/* ── App shell / navegación global ───────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
  background: rgba(20, 20, 25, .96);
  border-bottom: 1px solid var(--border);
  box-shadow: none;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.nav-shell {
  width: 100%;
  max-width: var(--content-wide);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--page-gutter);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-logo {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -.025em;
  white-space: nowrap;
}
.nav-logo strong { font: inherit; }
.nav-logo > span { font-size: 1.15rem; }
.nav-logo:hover strong { color: var(--accent-song); }

.nav-panel { margin-left: auto; }
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}
.nav-links li { list-style: none; }
.nav-link,
.nav-more-toggle,
.nav-menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 38px;
  padding: var(--space-2) var(--space-3);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 650;
  line-height: 1;
  white-space: nowrap;
  transition: color var(--duration-fast), background var(--duration-fast), border-color var(--duration-fast);
}
.nav-link:hover,
.nav-more-toggle:hover,
.nav-link[aria-current="page"],
.nav-more-toggle[aria-current="page"],
.nav-more.nav-has-current > .nav-more-toggle {
  color: var(--text);
  background: var(--song-tint);
  border-color: var(--rosa-glow);
}
.nav-link[aria-current="page"],
.nav-more-toggle[aria-current="page"],
.nav-more.nav-has-current > .nav-more-toggle { color: var(--accent-song); }
.nav-more { position: relative; }
.nav-chevron { color: var(--text-muted); transition: transform var(--duration-fast); }
.nav-more.is-open .nav-chevron { transform: rotate(180deg); }
.dropdown-menu {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  min-width: 210px;
  padding: var(--space-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--elevated);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity var(--duration-fast), transform var(--duration-fast), visibility var(--duration-fast);
}
.nav-more.is-open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}
.dropdown-menu .nav-link {
  width: 100%;
  justify-content: flex-start;
}
.nav-menu-toggle { display: none; }
.nav-menu-icon,
.nav-menu-icon::before,
.nav-menu-icon::after {
  width: 18px;
  height: 1.5px;
  border-radius: var(--radius-pill);
  background: currentColor;
  transition: transform var(--duration-fast), opacity var(--duration-fast);
}
.nav-menu-icon { position: relative; }
.nav-menu-icon::before,
.nav-menu-icon::after { content: ''; position: absolute; left: 0; }
.nav-menu-icon::before { top: -6px; }
.nav-menu-icon::after { top: 6px; }
.nav-menu-toggle[aria-expanded="true"] .nav-menu-icon { background: transparent; }
.nav-menu-toggle[aria-expanded="true"] .nav-menu-icon::before { top: 0; transform: rotate(45deg); }
.nav-menu-toggle[aria-expanded="true"] .nav-menu-icon::after { top: 0; transform: rotate(-45deg); }

/* Season chip is injected by the historical shared UI; keep it inside the shell. */
body .navbar .kg-season-chip {
  position: static;
  flex: 0 0 auto;
  margin: 0;
  padding: var(--space-2) var(--space-3);
  min-height: 34px;
  transform: none;
  border-width: 1px;
  border-radius: var(--radius-sm);
  background: var(--elevated);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 650;
}
body .navbar .kg-season-chip:hover { transform: none; color: var(--accent-album); }

@media (max-width: 900px) {
  .navbar { height: 60px; }
  .nav-shell { gap: var(--space-2); }
  .nav-menu-toggle {
    display: inline-flex;
    width: 42px;
    height: 42px;
    padding: 0;
    margin-left: auto;
    color: var(--text);
    background: var(--elevated);
    border-color: var(--border);
  }
  .nav-panel {
    display: none;
    position: fixed;
    inset: 60px 0 auto;
    width: 100%;
    height: calc(100dvh - 60px);
    margin: 0;
    padding: var(--space-3) var(--page-gutter) var(--space-8);
    overflow-y: auto;
    overscroll-behavior: contain;
    background: rgba(11, 11, 15, .985);
    border-top: 1px solid var(--border);
  }
  body.nav-open { overflow: hidden; }
  body.nav-open .nav-panel { display: block; }
  .nav-links { align-items: stretch; flex-direction: column; gap: var(--space-1); }
  .nav-link {
    width: 100%;
    min-height: 48px;
    justify-content: flex-start;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
  }
  .nav-link[aria-current="page"] { background: var(--song-tint); }
  .nav-more { width: 100%; }
  .nav-more-toggle { display: none; }
  .dropdown-menu {
    position: static;
    min-width: 0;
    padding: var(--space-1) 0 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }
  .dropdown-menu .nav-link { padding-left: var(--space-4); }
  body .navbar .kg-season-chip { padding: var(--space-2); }
  body .navbar .kg-season-chip .kg-season-name {
    display: block;
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
  }
}

@media (max-width: 380px) {
  .nav-shell { padding-inline: var(--space-3); }
  .nav-logo strong { font-size: .9rem; }
}

/* ── Wrapper principal ───────────────────────────────────────── */
.page-wrapper {
  position: relative;
  z-index: 1;
  max-width: var(--content-normal);
  margin: 0 auto;
  padding: var(--space-10) var(--page-gutter) var(--space-16);
}

/* ── Page header ─────────────────────────────────────────────── */
.page-header {
  text-align: center;
  margin-bottom: 2.5rem;
}
.page-header .emoji-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 1rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 99px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-soft);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}
.page-header h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -1.5px;
  background: linear-gradient(135deg, var(--rosa) 0%, var(--violeta) 50%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.6rem;
}
.page-header p {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 480px;
  margin: 0 auto;
}

/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow 0.3s var(--ease-out), transform 0.3s var(--ease);
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* ── Botones ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.65rem 1.6rem;
  border-radius: 99px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  transition: all 0.22s var(--ease);
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, var(--rosa), var(--violeta));
  color: var(--on-accent);
  box-shadow: 0 4px 20px var(--rosa-glow);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 30px var(--rosa-glow);
}
.btn-secondary {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  border-color: var(--rosa);
  color: var(--rosa);
  background: var(--elevated);
}
.btn-cyan {
  background: linear-gradient(135deg, var(--cyan), var(--verde));
  color: var(--on-accent);
  box-shadow: 0 4px 20px var(--cyan-glow);
}
.btn-cyan:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 30px var(--cyan-glow);
}
.btn-sm {
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
}

/* ── Badges de persona ───────────────────────────────────────── */
.badge-p1 {
  background: linear-gradient(135deg, var(--rosa), var(--violeta));
  color: var(--on-accent);
  padding: 0.2rem 0.7rem;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}
.badge-p2 {
  background: linear-gradient(135deg, var(--cyan), var(--verde));
  color: var(--on-accent);
  padding: 0.2rem 0.7rem;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

/* ── Inputs / selects ────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--text-soft);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.form-input, .form-select {
  padding: 0.7rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.form-input:focus, .form-select:focus {
  border-color: var(--rosa);
  box-shadow: 0 0 0 3px var(--rosa-glow);
}
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a07060' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* ── Separador neon ──────────────────────────────────────────── */
.neon-divider {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--rosa), var(--violeta), var(--cyan), transparent);
  border: none;
  margin: 2rem 0;
  border-radius: 99px;
}

/* ── Toast / alert ───────────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.toast {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.88rem;
  min-width: 240px;
  animation: toastIn 0.35s var(--ease) both;
}
.toast.success { border-color: var(--verde); }
.toast.error   { border-color: var(--rosa);  }
@keyframes toastIn {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0)  scale(1);      }
}

/* ── Scrollbar custom ────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--rosa), var(--violeta));
  border-radius: 99px;
}

/* ── Utilities ───────────────────────────────────────────────── */
.text-center { text-align: center; }
.flex        { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-1  { gap: 0.5rem; }
.gap-2  { gap: 1rem;   }
.gap-3  { gap: 1.5rem; }
.mt-1   { margin-top: 0.5rem; }
.mt-2   { margin-top: 1rem; }
.mt-3   { margin-top: 1.5rem; }
.mt-4   { margin-top: 2rem; }
.fw-bold { font-weight: 700; }
.fw-black { font-weight: 900; }
.font-display { font-family: var(--font-display); }
/* Preserve the HTML hidden contract against component display rules. */
[hidden]:not([hidden="until-found"]), .hidden { display: none !important; }

/* ── Animaciones de entrada ──────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(8px);
  animation: fadeUp var(--duration-base) var(--ease-out) both;
}
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* ── Responsive básico ───────────────────────────────────────── */
@media (max-width: 768px) {
  .navbar { padding: 0 1rem; }
  :root { --page-gutter: var(--space-4); }
  .page-wrapper { padding: var(--space-6) var(--page-gutter) var(--space-12); }
}

/* Base accessibility; page-specific work follows in later phases. */
:root body :focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}
input, select, textarea { accent-color: var(--control-accent); }
::selection { background: var(--accent-album); color: var(--on-accent); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-delay: 0ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    transition-delay: 0ms !important;
    scroll-behavior: auto !important;
  }
  .fade-up { opacity: 1; transform: none; }
}