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

:root {
  --primary:      #1a2e4a;
  --primary-dark: #0f1e33;
  --secondary:    #2e86ab;
  --accent:       #f0a500;
  --accent-dark:  #d4900a;
  --success:      #16a34a;
  --danger:       #dc2626;
  --white:        #ffffff;
  --gray-50:      #f8fafc;
  --gray-100:     #f1f5f9;
  --gray-200:     #e2e8f0;
  --gray-400:     #94a3b8;
  --gray-600:     #475569;
  --gray-800:     #1e293b;
  --radius:       14px;
  --radius-sm:    8px;
  --radius-xl:    22px;
  --shadow:       0 2px 12px rgba(0,0,0,0.08);
  --shadow-md:    0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg:    0 8px 32px rgba(0,0,0,0.18);
  --transition:   0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--gray-100);
  color: var(--gray-800);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ─── App Shell ─────────────────────────────────────────────────────────────── */
.app-shell {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  background: var(--white);
  position: relative;
  display: flex;
  flex-direction: column;
}

/* ─── Top Bar ───────────────────────────────────────────────────────────────── */
.top-bar {
  background: var(--primary);
  padding: 0.85rem 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}
.top-bar-logo {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3px;
  flex-shrink: 0;
}
.top-bar-logo img { width: 100%; height: 100%; object-fit: contain; border-radius: 50%; }
.top-bar-logo-placeholder {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--accent); color: var(--primary);
  font-weight: 900; font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.top-bar-text { flex: 1; min-width: 0; }
.top-bar-org {
  font-size: 0.7rem;
  font-weight: 700;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.top-bar-title {
  font-size: 0.92rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ─── Hero / Flier ──────────────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(160deg, var(--primary-dark) 0%, var(--primary) 50%, #1d3a5e 100%);
  padding: 1.75rem 1.25rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 20%, rgba(240,165,0,0.12) 0%, transparent 60%);
  pointer-events: none;
}
.hero-flier {
  width: 100%;
  max-width: 340px;
  margin: 0 auto 1.25rem;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.hero-flier img { width: 100%; display: block; }
.hero-flier-placeholder {
  background: linear-gradient(135deg, #1d3a5e, #2e86ab);
  padding: 2.5rem 1.5rem;
  border-radius: var(--radius);
  text-align: center;
}
.hero-org {
  font-size: 0.7rem;
  font-weight: 700;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.hero-conf-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
  margin-bottom: 0.4rem;
}
.hero-theme {
  font-size: 1.9rem;
  font-weight: 900;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 0.2rem;
}
.hero-theme span { color: var(--accent); display: block; }
.hero-tagline { font-size: 0.8rem; color: rgba(255,255,255,0.5); margin-top: 0.5rem; }

/* ─── Info Cards Strip ──────────────────────────────────────────────────────── */
.info-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  padding: 1.25rem 1.1rem;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}
.info-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.9rem;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}
.info-card-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: rgba(240,165,0,0.12);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
}
.info-card-label { font-size: 0.67rem; color: var(--gray-400); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.info-card-value { font-size: 0.8rem; font-weight: 700; color: var(--gray-800); line-height: 1.3; margin-top: 1px; }
.info-card.full { grid-column: 1 / -1; }

/* ─── Countdown ─────────────────────────────────────────────────────────────── */
.countdown-section {
  background: var(--primary);
  padding: 1.1rem 1.25rem;
  text-align: center;
}
.countdown-label-top { font-size: 0.7rem; color: rgba(255,255,255,0.5); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 0.6rem; }
.countdown-row { display: flex; justify-content: center; gap: 0.75rem; }
.countdown-item { display: flex; flex-direction: column; align-items: center; gap: 0.2rem; }
.countdown-num {
  font-size: 1.7rem; font-weight: 900; color: var(--accent);
  background: rgba(255,255,255,0.08);
  border-radius: 10px;
  width: 58px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  font-variant-numeric: tabular-nums;
}
.countdown-unit { font-size: 0.62rem; color: rgba(255,255,255,0.45); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; }
.countdown-sep { font-size: 1.6rem; font-weight: 900; color: rgba(255,255,255,0.25); line-height: 52px; margin-top: 0; }

/* ─── CTA Button ────────────────────────────────────────────────────────────── */
.cta-section { padding: 1.25rem 1.1rem; }
.btn-cta {
  display: flex; align-items: center; justify-content: center; gap: 0.6rem;
  width: 100%;
  background: var(--accent);
  color: var(--primary-dark);
  font-size: 1rem;
  font-weight: 800;
  padding: 1rem;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  letter-spacing: 0.02em;
  box-shadow: 0 4px 16px rgba(240,165,0,0.4);
}
.btn-cta:hover, .btn-cta:focus { background: var(--accent-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(240,165,0,0.5); }
.btn-cta:active { transform: translateY(0); }
.btn-cta-sub { text-align: center; font-size: 0.75rem; color: var(--gray-400); margin-top: 0.6rem; }

/* ─── Section Heading ───────────────────────────────────────────────────────── */
.section-heading {
  padding: 1rem 1.1rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-top: 1px solid var(--gray-100);
}

/* ─── Featuring List ────────────────────────────────────────────────────────── */
.featuring-list {
  list-style: none;
  padding: 0.25rem 1.1rem 1rem;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.featuring-list li {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gray-800);
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 30px;
  padding: 0.55rem 1rem 0.55rem 0.6rem;
}
.featuring-list li i {
  width: 24px; height: 24px; border-radius: 50%;
  background: #dcfce7; color: #16a34a;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem;
  flex-shrink: 0;
}

/* ─── Forms ─────────────────────────────────────────────────────────────────── */
.form-page { padding: 1.25rem 1.1rem 2rem; flex: 1; }
.form-title { font-size: 1.2rem; font-weight: 800; color: var(--primary); margin-bottom: 0.3rem; }
.form-subtitle { font-size: 0.85rem; color: var(--gray-400); margin-bottom: 1.5rem; line-height: 1.5; }
.form-group { margin-bottom: 1rem; }
.form-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--gray-600);
  margin-bottom: 0.4rem;
  letter-spacing: 0.03em;
}
.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  font-size: 0.95rem;
  color: var(--gray-800);
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.15s;
  -webkit-appearance: none;
}
.form-control:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(240,165,0,0.15); }
.form-control::placeholder { color: var(--gray-400); }
.form-control.is-invalid { border-color: var(--danger); }
.error-msg { font-size: 0.78rem; color: var(--danger); margin-top: 0.3rem; display: flex; align-items: center; gap: 0.3rem; }
.gender-option {
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  border: 1.5px solid var(--gray-200); border-radius: 10px; padding: 0.75rem;
  font-size: 0.9rem; font-weight: 600; color: var(--gray-600);
  cursor: pointer; transition: border-color 0.15s, background 0.15s, color 0.15s;
}
.gender-option input[type="radio"] { display: none; }
.gender-option:has(input:checked), .gender-option.selected {
  border-color: var(--accent); background: rgba(240,165,0,0.08); color: var(--primary);
}
.gender-option i { font-size: 1rem; }
.alert {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}
.alert-danger  { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }
.alert-success { background: #f0fdf4; color: var(--success); border: 1px solid #bbf7d0; }

/* ─── Progress Steps ────────────────────────────────────────────────────────── */
.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.1rem;
  gap: 0;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}
.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
  position: relative;
}
.step::after {
  content: '';
  position: absolute;
  top: 14px;
  left: 50%;
  width: 100%;
  height: 2px;
  background: var(--gray-200);
  z-index: 0;
}
.step:last-child::after { display: none; }
.step-dot {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2px solid var(--gray-200);
  background: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--gray-400);
  position: relative;
  z-index: 1;
  transition: var(--transition);
}
.step.active .step-dot  { background: var(--accent); border-color: var(--accent); color: var(--primary-dark); }
.step.done .step-dot    { background: var(--success); border-color: var(--success); color: #fff; }
.step.active::after,
.step.done::after       { background: var(--success); }
.step-label { font-size: 0.6rem; font-weight: 700; color: var(--gray-400); text-transform: uppercase; letter-spacing: 0.04em; text-align: center; }
.step.active .step-label { color: var(--accent); }
.step.done .step-label   { color: var(--success); }

/* ─── Ticket ────────────────────────────────────────────────────────────────── */
.ticket-wrap { padding: 1.25rem 1.1rem 2rem; flex: 1; }
.ticket {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
}
.ticket-header {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, #1d4068 100%);
  padding: 1.5rem 1.25rem;
  text-align: center;
  position: relative;
}
.ticket-header::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 24px;
  background: var(--white);
  border-radius: 50% 50% 0 0 / 24px 24px 0 0;
}
.ticket-logo-wrap {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: #fff;
  margin: 0 auto 0.75rem;
  padding: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  display: flex; align-items: center; justify-content: center;
}
.ticket-logo-wrap img { width: 100%; height: 100%; object-fit: contain; border-radius: 50%; }
.ticket-org { font-size: 0.62rem; color: rgba(255,255,255,0.5); letter-spacing: 0.12em; text-transform: uppercase; font-weight: 700; }
.ticket-conf-name { font-size: 0.82rem; color: rgba(255,255,255,0.85); font-weight: 600; margin: 0.2rem 0; }
.ticket-theme { font-size: 1.15rem; font-weight: 900; color: var(--accent); line-height: 1.2; }
.ticket-body { padding: 2rem 1.25rem 1.25rem; }
.ticket-attendee-name {
  font-size: 1.35rem; font-weight: 900; color: var(--primary);
  text-align: center; margin-bottom: 1.25rem;
}
.ticket-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.ticket-detail-item { display: flex; flex-direction: column; gap: 0.15rem; }
.ticket-detail-label { font-size: 0.65rem; color: var(--gray-400); font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; }
.ticket-detail-value { font-size: 0.83rem; font-weight: 700; color: var(--gray-800); }
.ticket-divider {
  border: none;
  border-top: 2px dashed var(--gray-200);
  margin: 1.25rem 0;
  position: relative;
}
.ticket-divider::before,
.ticket-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 20px; height: 20px;
  background: var(--gray-100);
  border-radius: 50%;
  border: 1px solid var(--gray-200);
}
.ticket-divider::before { left: -1.5rem; }
.ticket-divider::after  { right: -1.5rem; }
.ticket-qr {
  text-align: center;
  padding-bottom: 0.5rem;
}
.ticket-qr img { width: 180px; height: 180px; border-radius: var(--radius-sm); border: 3px solid var(--gray-100); }
.ticket-qr-label { font-size: 0.7rem; color: var(--gray-400); margin-top: 0.6rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; }
.ticket-code {
  text-align: center;
  font-family: 'Courier New', monospace;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.1em;
  background: var(--gray-50);
  border: 1.5px dashed var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 0.7rem;
  margin-top: 1rem;
}
.ticket-status-badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
  padding: 0.3rem 0.85rem;
  border-radius: 30px;
  margin-top: 0.75rem;
}
.ticket-status-badge.checked-in  { background: #dcfce7; color: #15803d; }
.ticket-status-badge.not-checked  { background: #fef3c7; color: #92400e; }
.btn-download {
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  width: 100%;
  background: var(--primary);
  color: var(--white);
  font-size: 0.9rem; font-weight: 700;
  padding: 0.85rem;
  border: none; border-radius: var(--radius);
  cursor: pointer; text-decoration: none;
  margin-top: 1.25rem;
  transition: var(--transition);
}
.btn-download:hover { background: var(--primary-dark); }
.btn-download-outline {
  background: transparent; color: var(--primary);
  border: 2px solid var(--primary);
  margin-top: 0.6rem;
}
.btn-download-outline:hover { background: var(--primary); color: var(--white); }

/* ─── Check-in Scanner ──────────────────────────────────────────────────────── */
.scanner-page { padding: 1.25rem 1.1rem; flex: 1; }
.scanner-title { font-size: 1.15rem; font-weight: 800; color: var(--primary); margin-bottom: 0.25rem; }
.scanner-sub   { font-size: 0.83rem; color: var(--gray-400); margin-bottom: 1.25rem; }
#reader {
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  border: 2px solid var(--gray-200);
  background: #000;
  min-height: 240px;
}
.or-divider {
  text-align: center;
  position: relative;
  margin: 1.25rem 0;
  font-size: 0.78rem;
  color: var(--gray-400);
  font-weight: 600;
}
.or-divider::before, .or-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: calc(50% - 1.5rem);
  height: 1px;
  background: var(--gray-200);
}
.or-divider::before { left: 0; }
.or-divider::after  { right: 0; }
.checkin-result {
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-top: 1rem;
}
.checkin-result.success { background: #f0fdf4; border: 1.5px solid #86efac; }
.checkin-result.error   { background: #fef2f2; border: 1.5px solid #fca5a5; }
.checkin-result.already { background: #fefce8; border: 1.5px solid #fde047; }
.checkin-result-name  { font-size: 1.1rem; font-weight: 800; color: var(--primary); margin-bottom: 0.25rem; }
.checkin-result-email { font-size: 0.82rem; color: var(--gray-600); margin-bottom: 0.75rem; }
.btn-checkin {
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  width: 100%;
  background: var(--success);
  color: var(--white);
  font-size: 0.9rem; font-weight: 700;
  padding: 0.85rem;
  border: none; border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}
.btn-checkin:hover { background: #15803d; }
.btn-checkin:disabled { opacity: 0.5; cursor: not-allowed; }

/* ─── Footer ────────────────────────────────────────────────────────────────── */
.app-footer {
  background: var(--primary-dark);
  text-align: center;
  padding: 1.1rem;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.35);
  border-top: 1px solid rgba(255,255,255,0.06);
}

/* ─── Print (ticket download) ───────────────────────────────────────────────── */
@media print {
  body { background: #fff; }
  .app-shell { max-width: 100%; box-shadow: none; }
  .top-bar, .steps, .btn-download, .btn-cta, .app-footer, .no-print { display: none !important; }
  .ticket-wrap { padding: 0; }
  .ticket { box-shadow: none; border: 1px solid #ddd; }
}

/* ─── Desktop centering ─────────────────────────────────────────────────────── */
@media (min-width: 520px) {
  body { padding: 1.5rem 0; background: #dde3ea; }
  .app-shell { border-radius: 24px; box-shadow: 0 16px 64px rgba(0,0,0,0.18); min-height: auto; }
}