/* ─── Reset & Base ────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* Visivel apenas para leitores de tela (labels de campos so com placeholder) */
.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;
}

:root {
  --blue-dark:   #063289;
  --blue-mid:    #0D47A1;
  --blue-light:  #1976D2;
  --blue-accent: #42A5F5;
  --blue-pale:   #a8c8ff;
  --gold:        #ffc107;
  --white:       #ffffff;
  --text-muted:  rgba(255,255,255,0.72);
  --card-bg:     rgba(255,255,255,0.06);
  --card-border: rgba(255,255,255,0.14);
  --radius:      14px;
  --shadow:      0 8px 32px rgba(0,0,0,0.28);
  --transition:  .25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Open Sans', sans-serif;
  background: var(--blue-dark);
  color: var(--white);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ─── Background Shapes ───────────────────────────────────────────────────── */
.bg-shape {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  opacity: .18;
}
.bg-shape--tl {
  width: 380px; height: 380px;
  background: var(--blue-accent);
  top: -120px; left: -100px;
}
.bg-shape--tr {
  width: 260px; height: 260px;
  background: var(--blue-light);
  top: 40px; right: -60px;
  border-radius: 30px;
  opacity: .22;
  transform: rotate(20deg);
}
.bg-shape--bl {
  width: 200px; height: 200px;
  background: var(--blue-mid);
  bottom: 80px; left: -60px;
  opacity: .3;
}
.bg-shape--br {
  width: 340px; height: 340px;
  background: var(--blue-accent);
  bottom: -100px; right: -90px;
  opacity: .14;
}

/* ─── Layout ──────────────────────────────────────────────────────────────── */
.page-wrapper {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ─── Header ──────────────────────────────────────────────────────────────── */
.site-header {
  padding: 18px 0;
  border-bottom: 1px solid var(--card-border);
  backdrop-filter: blur(8px);
  background: rgba(6, 50, 137, 0.5);
  position: sticky; top: 0; z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo-wrapper {
  background: #ffffff;
  border-radius: 10px;
  padding: 5px 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.site-logo { height: 39px; width: auto; object-fit: contain; display: block; }
.event-badge {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--white);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .8px;
  padding: 6px 14px;
  border-radius: 20px;
  text-transform: uppercase;
}

/* ─── Main Grid ───────────────────────────────────────────────────────────── */
main { flex: 1; padding: 50px 0 40px; }

.main-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

/* ─── Event Column ────────────────────────────────────────────────────────── */
.event-col { padding-right: 20px; }

.event-label {
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--blue-pale);
  margin-bottom: 10px;
}

.event-title {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(52px, 6vw, 80px);
  font-weight: 800;
  line-height: 1;
  color: var(--white);
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
  margin-bottom: 4px;
}
.event-title span {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 400;
  font-style: italic;
  color: var(--blue-pale);
  display: block;
  margin-top: 6px;
}

.event-subtitle {
  font-size: 16px;
  color: var(--text-muted);
  margin-top: 14px;
  line-height: 1.6;
}
.event-subtitle strong { color: var(--white); }

.event-slogan {
  margin-top: 28px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.slogan-badge {
  background: var(--gold);
  color: #000;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  letter-spacing: 1px;
  white-space: nowrap;
  margin-top: 3px;
}
.event-slogan p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.5;
}
.event-slogan strong { color: var(--white); font-size: 16px; }

.event-details {
  margin-top: 30px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.event-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 14px 18px;
  text-align: left;
}
.detail-icon { font-size: 20px; flex-shrink: 0; margin-top: 1px; }
.event-detail-item strong { display: block; font-size: 15px; color: var(--white); }
.event-detail-item span { font-size: 13px; color: var(--text-muted); }

.event-quote {
  margin-top: 28px;
  border-left: 3px solid var(--gold);
  padding-left: 16px;
  font-style: italic;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.6;
}

/* ─── Form Card ───────────────────────────────────────────────────────────── */
.form-col { display: flex; justify-content: center; }

.form-card {
  background: rgba(255,255,255,0.07);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 36px 32px;
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow);
}

.form-card__header {
  margin-bottom: 26px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--card-border);
}
.form-card__header h2 {
  font-family: 'Poppins', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 5px;
}
.form-card__header p {
  font-size: 13px;
  color: var(--text-muted);
}

/* ─── Form Fields ─────────────────────────────────────────────────────────── */
.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  margin-bottom: 6px;
  letter-spacing: .3px;
}

.req { color: #ff8a80; }
.optional { color: var(--text-muted); font-weight: 400; font-size: 11px; }

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="password"],
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.09);
  border: 1.5px solid rgba(255,255,255,0.18);
  border-radius: 9px;
  color: var(--white);
  font-family: 'Open Sans', sans-serif;
  font-size: 14px;
  padding: 12px 14px;
  outline: none;
  transition: border-color var(--transition), background var(--transition);
  appearance: none;
  -webkit-appearance: none;
}
.form-group textarea { resize: vertical; }

/* ─── Campo de senha com olhinho ──────────────────────────────────────────── */
.password-field { position: relative; }
.password-field input[type="password"],
.password-field input[type="text"] { padding-right: 44px; }
.password-toggle {
  position: absolute;
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: rgba(255,255,255,0.5);
  cursor: pointer;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}
.password-toggle:hover { color: rgba(255,255,255,0.9); background: rgba(255,255,255,0.08); }
.password-toggle svg { display: block; }
.password-toggle .icon-eye-off { display: none; }
.password-toggle.is-visible .icon-eye { display: none; }
.password-toggle.is-visible .icon-eye-off { display: block; }
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='rgba(255,255,255,.6)' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
.form-group select option { background: #0D47A1; color: #fff; }
.form-group select { color-scheme: dark; }

.form-group input::placeholder { color: rgba(255,255,255,0.35); }
.form-group input:focus,
.form-group select:focus {
  border-color: var(--blue-accent);
  background: rgba(255,255,255,0.13);
}
.form-group input.is-invalid,
.form-group select.is-invalid { border-color: #ff5252 !important; }
.form-group input.is-valid,
.form-group select.is-valid { border-color: #69f0ae; }

.form-error {
  display: block;
  font-size: 11.5px;
  color: #ff8a80;
  margin-top: 4px;
  min-height: 16px;
}

/* ─── Radio Group ─────────────────────────────────────────────────────────── */
.radio-group {
  display: flex;
  gap: 14px;
}
.radio-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 14px;
  color: var(--white);
  padding: 10px 18px;
  background: rgba(255,255,255,0.07);
  border: 1.5px solid rgba(255,255,255,0.16);
  border-radius: 8px;
  transition: all var(--transition);
  flex: 1;
  justify-content: center;
}
.radio-label:hover { background: rgba(255,255,255,0.12); }
.radio-label input[type="radio"] { display: none; }
.radio-custom {
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.4);
  border-radius: 50%;
  flex-shrink: 0;
  transition: all var(--transition);
  position: relative;
}
.radio-label input:checked ~ .radio-custom {
  border-color: var(--blue-accent);
  background: var(--blue-accent);
  box-shadow: 0 0 0 3px rgba(66,165,245,.3);
}
.radio-label:has(input:checked) {
  border-color: var(--blue-accent);
  background: rgba(66,165,245,.12);
}

/* ─── Submit Button ───────────────────────────────────────────────────────── */
.btn-submit {
  width: 100%;
  background: linear-gradient(135deg, var(--blue-accent), var(--blue-light));
  color: var(--white);
  border: none;
  border-radius: 10px;
  font-family: 'Poppins', sans-serif;
  font-size: 15px;
  font-weight: 700;
  padding: 14px 24px;
  cursor: pointer;
  transition: all var(--transition);
  margin-top: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  letter-spacing: .5px;
}
.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(66,165,245,.4);
}
.btn-submit:active { transform: translateY(0); }
.btn-submit:disabled { opacity: .6; cursor: not-allowed; transform: none; }

.spinner-arc { animation: spin .8s linear infinite; transform-origin: center; }
@keyframes spin { to { stroke-dashoffset: -60; } }

.form-note {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 10px;
  text-align: center;
}

/* ─── Alert ───────────────────────────────────────────────────────────────── */
.alert {
  border-radius: 10px;
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
}
.alert--warning { background: rgba(255,193,7,.15); border: 1px solid rgba(255,193,7,.4); color: #ffe082; }
.alert--error   { background: rgba(255,82,82,.15);  border: 1px solid rgba(255,82,82,.4);  color: #ff8a80; }
.alert--success { background: rgba(105,240,174,.15);border: 1px solid rgba(105,240,174,.4);color: #b9f6ca; }

/* ─── Modal ───────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(6px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn .25s ease;
}
.modal-box {
  background: #0a2e6e;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 16px;
  padding: 40px 36px;
  max-width: 460px;
  width: 100%;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  animation: slideUp .3s ease;
}
.modal-icon { font-size: 52px; margin-bottom: 14px; }
.modal-box h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 24px;
  color: var(--white);
  margin-bottom: 10px;
}
.modal-box p { color: var(--text-muted); font-size: 15px; line-height: 1.6; }
.modal-actions { display: flex; flex-direction: column; gap: 10px; margin-top: 24px; }
.btn-action {
  display: block;
  padding: 12px 20px;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
  font-family: 'Open Sans', sans-serif;
}
.btn-action--primary {
  background: linear-gradient(135deg, var(--blue-accent), var(--blue-light));
  color: var(--white);
}
.btn-action--secondary {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--white);
}
.btn-action:hover { transform: translateY(-1px); opacity: .9; }

@keyframes fadeIn { from { opacity:0 } to { opacity:1 } }
@keyframes slideUp { from { transform:translateY(30px);opacity:0 } to { transform:translateY(0);opacity:1 } }

/* ─── Footer ──────────────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--card-border);
  padding: 20px 0;
  text-align: center;
}
.site-footer p { font-size: 12px; color: var(--text-muted); }

/* ─── Confirm Page ────────────────────────────────────────────────────────── */
.confirm-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 120px);
  padding: 40px 0;
}
.confirm-card {
  background: rgba(255,255,255,0.07);
  backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 44px 40px;
  max-width: 520px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow);
}
.confirm-card h1 {
  font-family: 'Poppins', sans-serif;
  font-size: 26px;
  color: var(--white);
  margin: 16px 0 8px;
}
.confirm-card .subtitle { color: var(--text-muted); margin-bottom: 28px; }
.qr-container {
  background: white;
  border-radius: 12px;
  padding: 16px;
  display: inline-block;
  margin-bottom: 20px;
}
.qr-container img { display: block; width: 200px; height: 200px; }
.registrant-info {
  background: rgba(255,255,255,0.05);
  border-radius: 10px;
  padding: 18px 20px;
  margin: 20px 0;
  text-align: left;
}
.registrant-info dt {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--blue-pale);
  margin-top: 12px;
}
.registrant-info dt:first-child { margin-top: 0; }
.registrant-info dd { font-size: 14px; color: var(--white); font-weight: 600; margin-top: 2px; }
.wallet-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 20px;
}
.btn-wallet {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition);
}
.btn-wallet--apple  { background: #000; color: #fff; }
.btn-wallet--google { background: #fff; color: #333; }
.btn-wallet--qr     { background: rgba(255,255,255,0.1); border:1px solid var(--card-border); color: #fff; }
.btn-wallet:hover   { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.3); }

/* ─── Admin ───────────────────────────────────────────────────────────────── */
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 240px;
  background: rgba(0,0,0,0.3);
  border-right: 1px solid var(--card-border);
  padding: 20px 0;
  flex-shrink: 0;
}
.admin-content { flex: 1; padding: 30px; overflow-x: auto; }
.admin-nav { display: flex; flex-direction: column; padding: 0 10px; }
.admin-nav-label {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: rgba(255,255,255,.32);
  padding: 16px 10px 6px;
}
.admin-nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13.5px;
  transition: all var(--transition);
}
.admin-nav a:hover {
  color: var(--white);
  background: rgba(255,255,255,0.06);
}
.admin-nav a.active {
  color: var(--white);
  background: rgba(66,165,245,.16);
  box-shadow: inset 0 0 0 1px rgba(66,165,245,.35);
  font-weight: 600;
}
.admin-nav-divider { height: 1px; background: rgba(255,255,255,.08); margin: 14px 10px 10px; }
.admin-nav a.admin-nav-logout { color: rgba(255,255,255,.4); }
.admin-nav a.admin-nav-logout:hover { color: rgba(255,255,255,.75); background: rgba(255,255,255,0.04); }
.admin-logo { padding: 10px 14px 20px; border-bottom: 1px solid var(--card-border); margin-bottom: 12px; box-sizing: border-box; width: 100%; overflow: hidden; }
.admin-logo > div { display: block !important; width: 100%; box-sizing: border-box; }
.admin-logo img { max-width: 100%; height: auto; max-height: 36px; object-fit: contain; display: block; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 28px; }
.stat-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
}
.stat-card .stat-value { font-size: 36px; font-weight: 700; font-family: 'Poppins', sans-serif; color: var(--blue-accent); }
.stat-card .stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th { background: rgba(255,255,255,0.1); padding: 10px 12px; text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .8px; color: var(--blue-pale); }
.data-table td { padding: 10px 12px; border-bottom: 1px solid rgba(255,255,255,0.06); vertical-align: middle; }
.data-table tr:hover td { background: rgba(255,255,255,0.04); }
.badge { display: inline-block; padding: 3px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; }
.badge--yes { background: rgba(105,240,174,.2); color: #69f0ae; }
.badge--no  { background: rgba(255,82,82,.2);   color: #ff8a80; }
.badge--sent{ background: rgba(66,165,245,.2);   color: #42A5F5; }

.page-title { font-family: 'Poppins', sans-serif; font-size: 22px; font-weight: 700; margin-bottom: 20px; }
.panel { background: rgba(255,255,255,0.06); border: 1px solid var(--card-border); border-radius: 10px; padding: 24px; margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.admin-input {
  width: 100%;
  background: rgba(255,255,255,0.07);
  border: 1.5px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  color: var(--white);
  font-size: 14px;
  padding: 10px 12px;
  font-family: 'Open Sans', sans-serif;
  outline: none;
  transition: border-color var(--transition);
}
.admin-input:focus { border-color: var(--blue-accent); }
.admin-input::placeholder { color: rgba(255,255,255,0.3); }
.admin-input option,
select.admin-input option {
  background: #0a2463;
  color: #ffffff;
}
/* Força cor de fundo do select nativo em todos os browsers */
select.admin-input {
  color-scheme: dark;
}
.admin-label { display: block; font-size: 12px; font-weight: 600; color: rgba(255,255,255,0.7); margin-bottom: 5px; }
.btn-primary { background: var(--blue-light); color:#fff; border:none; padding:10px 20px; border-radius:8px; cursor:pointer; font-weight:600; font-size:14px; transition: all var(--transition); }
.btn-primary:hover { background: var(--blue-accent); }
.btn-danger { background: rgba(255,82,82,.2); color:#ff8a80; border:1px solid rgba(255,82,82,.3); padding:6px 12px; border-radius:6px; cursor:pointer; font-size:12px; transition: all var(--transition); }
.btn-danger:hover { background: rgba(255,82,82,.35); }
.btn-sm { padding:6px 12px; font-size:12px; border-radius:6px; border:none; cursor:pointer; font-weight:600; transition: all var(--transition); }
.btn-sm--blue { background: rgba(66,165,245,.2); color: var(--blue-accent); }
.btn-sm--blue:hover { background: rgba(66,165,245,.35); }
.btn-sm--mail { background: rgba(38,166,154,.2); color: #4db6ac; border: 1px solid rgba(38,166,154,.3); }
.btn-sm--mail:hover { background: rgba(38,166,154,.35); }
.search-bar { display:flex; gap:10px; margin-bottom:16px; }
.search-bar input { flex:1; }

/* ─── Login Page ──────────────────────────────────────────────────────────── */
.login-wrapper { min-height:100vh; display:flex; align-items:center; justify-content:center; padding:20px; }
.login-card { background:rgba(255,255,255,0.07); border:1px solid var(--card-border); border-radius:16px; padding:44px 40px; max-width:400px; width:100%; text-align:center; }
.login-card h1 { font-family:'Poppins',sans-serif; font-size:22px; margin:16px 0 6px; }
.login-card p { color:var(--text-muted); font-size:14px; margin-bottom:28px; }
.divider { display:flex; align-items:center; gap:12px; margin:20px 0; color:var(--text-muted); font-size:12px; }
.divider::before, .divider::after { content:''; flex:1; height:1px; background:var(--card-border); }
.btn-microsoft {
  display:flex; align-items:center; justify-content:center; gap:10px;
  width:100%; padding:12px 20px; border-radius:9px;
  background:rgba(255,255,255,0.1); border:1px solid rgba(255,255,255,0.2);
  color:var(--white); font-size:14px; font-weight:600;
  text-decoration:none; transition: all var(--transition);
  cursor:pointer;
}
.btn-microsoft:hover { background:rgba(255,255,255,0.16); }

/* ─── Admin Mobile Nav ───────────────────────────────────────────────────── */
.admin-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(2px);
  z-index: 998;
}
.admin-overlay.open { display: block; }
.admin-toggle {
  display: none;
  position: fixed;
  top: 14px; left: 14px;
  width: 42px; height: 42px;
  background: var(--blue-light);
  border: none;
  border-radius: 10px;
  color: #fff;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  z-index: 997;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 10px rgba(0,0,0,.4);
}
.sidebar-close {
  display: none;
  position: absolute;
  top: 14px; right: 12px;
  background: rgba(255,255,255,.12);
  border: none;
  color: rgba(255,255,255,.8);
  width: 30px; height: 30px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 15px;
  align-items: center;
  justify-content: center;
}
.admin-sidebar { position: relative; }

/* ─── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .main-grid { grid-template-columns: 1fr; gap: 32px; }
  .event-col { padding-right: 0; text-align: center; }
  .event-details { max-width: 420px; margin-left: auto; margin-right: auto; }
  .event-slogan { justify-content: center; }
  .event-quote { text-align: center; }
  .form-col { width: 100%; }
  .form-card { max-width: 100%; }
  .form-row { grid-template-columns: 1fr; }

  /* Admin: sidebar vira overlay deslizante */
  .admin-layout { flex-direction: row; }
  .admin-sidebar {
    position: fixed;
    top: 0; left: -260px;
    width: 240px;
    height: 100vh;
    z-index: 999;
    overflow-y: auto;
    transition: left .28s cubic-bezier(.4,0,.2,1);
    box-shadow: 4px 0 24px rgba(0,0,0,.5);
  }
  .admin-sidebar.open { left: 0; }
  .admin-toggle  { display: flex; }
  .sidebar-close { display: flex; }
  .admin-content { padding: 70px 14px 24px; width: 100%; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  main { padding: 30px 0 24px; }
  .form-card { padding: 24px 18px; }
  .confirm-card { padding: 30px 20px; }
  .event-title { font-size: 44px; }
  .login-card { padding: 30px 20px; }
}