:root {
  --dark: #000000;
  --teal: #06c1ca;
  --magenta: #e60371;
  --cream: #ffedca;
  --teal-tint: #e6fbfc;
  --magenta-tint: #fde7f0;
  --cream-tint: #fff7e8;
  --text: #1a1a1a;
  --muted: #666666;
  --border: #e4e9e9;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  color: var(--text);
  background: #fff;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

/* ---------- Encabezado público ---------- */
.site-header {
  background: var(--dark);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
}
.site-header .brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; }
.site-header .brand img { height: 38px; width: 38px; border-radius: 8px; }
.site-header .brand .sounds { color: var(--teal); }
.site-header nav { display: flex; gap: 26px; font-size: 14px; }
.site-header nav a:hover { color: var(--teal); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(120deg, var(--dark), var(--teal));
  color: #fff;
  padding: 70px 40px;
}
.hero h1 { font-size: 34px; margin: 0 0 14px 0; max-width: 620px; }
.hero p { max-width: 520px; opacity: .92; font-size: 15px; line-height: 1.5; }
.btn {
  display: inline-block;
  background: var(--magenta);
  color: #fff;
  border: none;
  padding: 13px 30px;
  border-radius: 26px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 18px;
}
.btn:hover { opacity: .9; }
.btn-outline {
  display: inline-block;
  background: transparent;
  color: #fff;
  border: 2px solid #fff;
  padding: 11px 26px;
  border-radius: 26px;
  font-size: 14px;
  margin-top: 18px;
  margin-left: 10px;
}

/* ---------- Secciones públicas ---------- */
.section { padding: 50px 40px; max-width: 1100px; margin: 0 auto; }
.section h2 { text-align: center; color: var(--dark); font-size: 24px; margin-bottom: 36px; }
.cards { display: flex; gap: 22px; flex-wrap: wrap; justify-content: center; }
.card {
  flex: 1 1 260px;
  max-width: 320px;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 3px 14px rgba(0,0,0,.1);
  background: #fff;
}
.card .img { height: 120px; }
.card:nth-child(1) .img { background: var(--teal-tint); }
.card:nth-child(2) .img { background: var(--cream-tint); }
.card:nth-child(3) .img { background: var(--magenta-tint); }
.card .body { padding: 16px; }
.card .body h3 { margin: 0 0 6px 0; font-size: 16px; }
.card .body p { margin: 0 0 10px 0; font-size: 13px; color: var(--muted); }
.card .price { font-weight: 700; color: var(--magenta); }

.site-footer { background: var(--dark); color: #cfe9ea; text-align: center; padding: 22px; font-size: 13px; }
.site-footer a { color: var(--teal); }

/* ---------- Formularios ---------- */
.form-card {
  max-width: 760px;
  margin: 40px auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 34px 40px;
  box-shadow: 0 2px 16px rgba(0,0,0,.06);
}
.form-card h2 { text-align: center; margin-top: 0; }
.form-card .sub { text-align: center; color: var(--muted); font-size: 13px; margin-bottom: 26px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 24px; }
.field { display: flex; flex-direction: column; font-size: 13px; font-weight: 600; }
.field.full { grid-column: 1 / 3; }
.field input, .field select, .field textarea {
  margin-top: 6px;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
  font-weight: 400;
  background: #fbfdfd;
}
.field textarea { height: 70px; resize: vertical; }
.form-actions { text-align: center; margin-top: 24px; }
.error-text { color: var(--magenta); font-size: 12px; font-weight: 400; margin-top: 4px; }
.alert {
  padding: 12px 18px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 20px;
}
.alert-success { background: var(--teal-tint); color: #04646a; border: 1px solid var(--teal); }
.alert-error { background: var(--magenta-tint); color: #8a0149; border: 1px solid var(--magenta); }

/* ---------- Login ---------- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--teal-tint); }
.login-card { background: #fff; padding: 40px; border-radius: 12px; width: 360px; box-shadow: 0 8px 30px rgba(0,0,0,.12); text-align: center; }
.login-card img { height: 56px; width: 56px; border-radius: 10px; margin-bottom: 14px; }
.login-card .field { text-align: left; margin-bottom: 16px; }

/* ---------- Panel administrativo ---------- */
.admin-wrap { display: flex; min-height: 100vh; }
.sidebar { width: 220px; background: var(--dark); color: #cfe9ea; display: flex; flex-direction: column; flex-shrink: 0; }
.sidebar .logo { padding: 20px; display: flex; align-items: center; gap: 8px; font-weight: 800; color: #fff; border-bottom: 1px solid #2a2a2a; }
.sidebar .logo img { height: 32px; width: 32px; border-radius: 6px; }
.sidebar .item { padding: 14px 22px; font-size: 13.5px; border-left: 4px solid transparent; display: block; }
.sidebar .item.active { background: #1c1c1c; border-left: 4px solid var(--teal); color: #fff; font-weight: 600; }
.sidebar .item:hover { color: #fff; }
.sidebar .logout { margin-top: auto; padding: 16px 22px; font-size: 13px; border-top: 1px solid #2a2a2a; color: var(--magenta); }

.admin-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar { height: 60px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; padding: 0 28px; }
.topbar h1 { font-size: 17px; margin: 0; color: var(--dark); }
.topbar .user { font-size: 12.5px; color: var(--muted); }
.admin-content { padding: 26px 28px; flex: 1; }

.stat-row { display: flex; gap: 18px; margin-bottom: 24px; flex-wrap: wrap; }
.stat { flex: 1; min-width: 160px; background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 16px 20px; }
.stat .label { font-size: 12px; color: var(--muted); }
.stat .value { font-size: 24px; font-weight: 700; color: var(--dark); }
.stat.accent-teal .value { color: var(--teal); }
.stat.accent-magenta .value { color: var(--magenta); }

table.admin-table { width: 100%; border-collapse: collapse; background: #fff; }
table.admin-table th { background: var(--teal-tint); text-align: left; padding: 10px 12px; font-size: 12.5px; color: var(--dark); border-bottom: 2px solid var(--teal); }
table.admin-table td { padding: 10px 12px; font-size: 13px; border-bottom: 1px solid var(--border); }
table.admin-table tr:hover td { background: #fafefe; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: 11px; font-weight: 600; }
.badge-solicitado { background: #fff3cd; color: #8a6d00; }
.badge-cotizado { background: var(--cream); color: #7a5b00; }
.badge-confirmado { background: var(--teal-tint); color: #04646a; }
.badge-en_ejecucion { background: #dff0ff; color: #00508a; }
.badge-finalizado { background: #e3f6e3; color: #1c7a1c; }
.badge-cancelado { background: var(--magenta-tint); color: #8a0149; }

.btn-sm { display: inline-block; padding: 6px 14px; border-radius: 16px; font-size: 12px; font-weight: 600; border: none; cursor: pointer; }
.btn-teal { background: var(--teal); color: #fff; }
.btn-magenta { background: var(--magenta); color: #fff; }
.btn-ghost { background: #fff; border: 1px solid var(--border); color: var(--text); }

.panel-card { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 22px; margin-bottom: 22px; }
.panel-card h2 { font-size: 16px; margin: 0 0 16px 0; }

/* ---------- Calendario de agenda ---------- */
.calendar-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.calendar { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.cal-dow { background: var(--teal-tint); color: var(--dark); font-weight: 600; font-size: 11.5px; text-align: center; padding: 6px 0; border-radius: 4px; }
.cal-day { border: 1px solid var(--border); border-radius: 6px; min-height: 76px; font-size: 11px; color: #888; padding: 5px; }
.cal-day.empty { background: #fafafa; border-style: dashed; }
.cal-ev { margin-top: 3px; background: var(--teal); color: #fff; border-radius: 4px; padding: 2px 5px; font-size: 10px; display: block; }
.cal-ev.pendiente { background: var(--magenta); }

/* ---------- Responsivo (REQ11) ---------- */
@media (max-width: 720px) {
  /* Encabezado público: se apila y la nav se vuelve una barra con scroll */
  .site-header { flex-direction: column; align-items: flex-start; gap: 12px; padding: 14px 18px; }
  .site-header nav { width: 100%; gap: 16px; overflow-x: auto; white-space: nowrap; padding-bottom: 2px; }

  /* Hero */
  .hero { padding: 40px 20px; }
  .hero h1 { font-size: 26px; }
  .hero p { font-size: 14px; }
  .btn, .btn-outline { display: block; width: 100%; text-align: center; margin-left: 0; margin-top: 12px; }

  /* Secciones y tarjetas de servicio */
  .section { padding: 36px 20px; }
  .cards { flex-direction: column; align-items: stretch; }
  .card { max-width: 100%; }

  /* Formularios públicos */
  .form-card { padding: 24px 20px; margin: 24px auto; }
  .form-grid { grid-template-columns: 1fr; }
  .field.full { grid-column: 1; }

  /* Login */
  .login-card { width: 100%; max-width: 340px; padding: 28px 22px; }

  /* Panel administrativo */
  .admin-wrap { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; overflow-x: auto; white-space: nowrap; }
  .sidebar .logo { flex-shrink: 0; }
  .sidebar .item { padding: 12px 16px; flex-shrink: 0; }
  .sidebar .logout { margin-top: 0; flex-shrink: 0; border-top: none; }
  .topbar { padding: 0 16px; flex-wrap: wrap; height: auto; padding-top: 10px; padding-bottom: 10px; gap: 4px; }
  .admin-content { padding: 18px 16px; }
  .panel-card { padding: 16px; }

  /* Tablas: scroll horizontal en vez de desbordarse */
  table.admin-table { display: block; overflow-x: auto; white-space: nowrap; }

  /* Calendario de agenda */
  .calendar { gap: 3px; }
  .cal-day { min-height: 56px; font-size: 10px; padding: 3px; }
  .cal-ev { font-size: 8.5px; padding: 1px 3px; }
  .cal-dow { font-size: 10px; padding: 4px 0; }
  .calendar-head { flex-wrap: wrap; gap: 8px; }

  .stat-row { gap: 12px; }
  .stat { min-width: 140px; }
}

@media (max-width: 420px) {
  .site-header .brand { font-size: 16px; }
  .site-header .brand img { height: 30px; width: 30px; }
  .hero h1 { font-size: 22px; }
  .calendar { grid-template-columns: repeat(7, minmax(0, 1fr)); }
  .cal-day { font-size: 9px; }
}