:root {
  --navy: #00274C;
  --navy-dark: #001a36;
  --navy-mid: #003566;
  --maize: #FFCB05;
  --maize-dark: #e6b800;
  --maize-dim: rgba(255, 203, 5, 0.15);
  --white: #ffffff;
  --off-white: #f5f3ee;
  --text-muted: rgba(255, 255, 255, 0.55);
  --text-dim: rgba(255, 255, 255, 0.35);
  --border: rgba(255, 203, 5, 0.2);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --radius: 12px;
  --radius-sm: 8px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-body);
  background: var(--navy-dark);
  color: var(--white);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── SCREENS ── */
.screen { min-height: 100vh; }
.screen.hidden { display: none; }
.screen.active { display: block; }

/* ── LOGIN ── */
.login-bg {
  position: fixed; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 80%, rgba(255,203,5,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 20%, rgba(0,53,102,0.8) 0%, transparent 60%),
    var(--navy-dark);
}

.login-card {
  position: relative; z-index: 1;
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 2rem 1.5rem;
  text-align: center;
}

.login-seal {
  width: 64px; height: 64px; border-radius: 50%;
  border: 1.5px solid var(--maize);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 13px; letter-spacing: 0.12em;
  color: var(--maize);
  margin-bottom: 1.75rem;
}

.login-title {
  font-family: var(--font-display);
  font-size: 42px; font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--white);
  margin-bottom: 0.4rem;
}

.login-sub {
  font-size: 13px; color: var(--text-muted);
  letter-spacing: 0.04em;
  margin-bottom: 2rem;
}

.login-divider {
  width: 40px; height: 1px;
  background: var(--border);
  margin: 0 auto 1.75rem;
}

.login-prompt {
  font-size: 13px; color: var(--text-muted);
  margin-bottom: 1rem;
}

.invite-input {
  width: 100%; max-width: 280px;
  background: rgba(255,255,255,0.05);
  border: 0.5px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: 0.1em;
  text-align: center;
  outline: none;
  transition: border-color 0.2s;
  margin-bottom: 0.75rem;
  display: block;
}

.invite-input:focus { border-color: var(--maize); }
.invite-input::placeholder { color: var(--text-dim); letter-spacing: 0.04em; font-size: 13px; }

.invite-error {
  font-size: 12px; color: #f09595;
  max-width: 280px;
  margin-bottom: 0.75rem;
  line-height: 1.5;
}

/* ── BUTTONS ── */
.btn-primary {
  background: var(--maize);
  color: var(--navy-dark);
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 28px;
  font-family: var(--font-body);
  font-size: 14px; font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  display: inline-block;
  margin-top: 0.25rem;
}
.btn-primary:hover { background: var(--maize-dark); }
.btn-primary:active { transform: scale(0.98); }

.btn-secondary {
  background: transparent;
  color: var(--maize);
  border: 0.5px solid var(--maize);
  border-radius: var(--radius-sm);
  padding: 11px 24px;
  font-family: var(--font-body);
  font-size: 14px; font-weight: 400;
  cursor: pointer;
  transition: background 0.15s;
  display: inline-block;
  margin-top: 1rem;
}
.btn-secondary:hover { background: var(--maize-dim); }

/* ── HEADER ── */
.site-header {
  background: var(--navy);
  border-bottom: 2px solid var(--maize);
  padding: 2rem 1.5rem 1.5rem;
  position: relative;
  overflow: hidden;
}

.site-header::before {
  content: '';
  position: absolute; top: -60px; right: -60px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,203,5,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.header-inner { max-width: 680px; margin: 0 auto; }

.header-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.1em;
  color: var(--maize);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
  opacity: 0.85;
}

.header-title {
  font-family: var(--font-display);
  font-size: 48px; font-weight: 500;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 0.3rem;
}

.header-title-italic { font-style: italic; color: var(--maize); }

.header-degree {
  font-size: 13px; color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1.5rem;
}

.countdown-row {
  display: flex; align-items: center; gap: 0.5rem;
}

.cd-unit { text-align: center; }

.cd-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 28px; font-weight: 500;
  color: var(--maize);
  line-height: 1;
}

.cd-label {
  font-size: 10px; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.06em;
}

.cd-sep {
  font-family: var(--font-mono);
  font-size: 24px; color: var(--border);
  line-height: 1; padding-bottom: 12px;
}

/* ── NAV ── */
.site-nav {
  display: flex;
  background: var(--navy);
  border-bottom: 0.5px solid var(--border-subtle);
  position: sticky; top: 0; z-index: 100;
}

.nav-btn {
  flex: 1; padding: 0.85rem 0.5rem;
  background: transparent; border: none;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 13px; cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.nav-btn.active { color: var(--maize); border-bottom-color: var(--maize); }
.nav-btn:hover:not(.active) { color: rgba(255,255,255,0.8); }

/* ── PANELS ── */
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.content-wrap { max-width: 680px; margin: 0 auto; padding: 1.75rem 1.25rem 3rem; }

/* ── INFO TAB ── */
.info-block {
  background: rgba(255,255,255,0.04);
  border: 0.5px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 2rem;
}

.info-label {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--maize);
  opacity: 0.7;
  margin-bottom: 0.4rem;
}

.info-main {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 500;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.info-meta { font-size: 13px; color: var(--text-muted); margin-bottom: 0.6rem; }

.info-location {
  display: flex; align-items: flex-start; gap: 6px;
  font-size: 13px; color: var(--text-muted);
  margin-bottom: 0.75rem;
  line-height: 1.5;
}
.info-location svg { margin-top: 2px; flex-shrink: 0; stroke: var(--maize); opacity: 0.7; }

.info-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px; color: var(--maize);
  text-decoration: none;
  border-bottom: 0.5px solid var(--border);
  padding-bottom: 1px;
  transition: opacity 0.15s;
}
.info-link:hover { opacity: 0.75; }

.schedule-title {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--maize); opacity: 0.7;
  margin-bottom: 1.25rem;
}

.timeline {
  border-left: 1px solid var(--border);
  padding-left: 1.5rem;
  margin-bottom: 2rem;
}

.tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  align-items: start;
}
.tl-item:last-child { margin-bottom: 0; }

.tl-dot {
  position: absolute; left: -1.625rem; top: 5px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--maize);
  border: 2px solid var(--navy-dark);
}

.tl-placeholder .tl-dot { background: transparent; border-color: var(--border); }

.tl-time {
  font-family: var(--font-mono);
  font-size: 11px; color: var(--maize);
  padding-top: 2px; opacity: 0.85;
}

.tl-name { font-size: 15px; font-weight: 500; color: var(--white); margin-bottom: 2px; }
.tl-place { font-size: 12px; color: var(--text-muted); }

.info-cards {
  display: flex; flex-direction: column; gap: 10px;
}

.info-card {
  background: rgba(255,255,255,0.03);
  border: 0.5px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1rem;
}

.ic-label {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--maize); opacity: 0.65;
  margin-bottom: 0.4rem;
}
.ic-body { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

/* ── RSVP TAB ── */
.rsvp-intro {
  font-size: 14px; color: var(--text-muted);
  line-height: 1.7; margin-bottom: 1.5rem;
}

.form-group { margin-bottom: 1.25rem; }

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--maize); opacity: 0.7;
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 0.5px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  outline: none;
  transition: border-color 0.2s;
}
.form-input:focus { border-color: var(--maize); }
.form-input::placeholder { color: var(--text-dim); }

.rsvp-options { display: flex; flex-direction: column; gap: 8px; }

.rsvp-option {
  display: flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,0.03);
  border: 0.5px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.rsvp-option:hover { background: rgba(255,203,5,0.05); border-color: var(--border); }
.rsvp-option input[type=radio] { accent-color: var(--maize); width: 15px; height: 15px; }
.rsvp-opt-label { font-size: 14px; color: var(--white); }

.rsvp-success { text-align: center; padding: 2rem 0; }
.success-icon {
  width: 52px; height: 52px; border-radius: 50%;
  background: rgba(29,158,117,0.2);
  color: #5DCAA5;
  font-size: 22px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
}
.success-title {
  font-family: var(--font-display);
  font-size: 26px; color: var(--white);
  margin-bottom: 0.5rem;
}
.success-body { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

/* ── TICKET TAB ── */
.ticket-pending {
  text-align: center; padding: 3rem 1rem;
}
.ticket-pending p { font-size: 15px; color: var(--text-muted); line-height: 1.7; }
.ticket-pending-sub { font-size: 13px; color: var(--text-dim); margin-top: 0.5rem; }

.ticket-card {
  background: var(--white);
  color: var(--navy-dark);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 360px;
  margin: 0 auto;
  box-shadow: 0 0 0 1px rgba(255,203,5,0.3), 0 20px 60px rgba(0,0,0,0.4);
}

.ticket-header {
  background: var(--navy);
  padding: 1.25rem;
  border-bottom: 3px solid var(--maize);
}
.ticket-event {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--maize); opacity: 0.8;
  margin-bottom: 0.25rem;
}
.ticket-name {
  font-family: var(--font-display);
  font-size: 24px; font-weight: 500;
  color: var(--white);
}

.ticket-details { padding: 1rem 1.25rem; }
.ticket-detail-row {
  display: flex; justify-content: space-between;
  padding: 6px 0;
  border-bottom: 0.5px solid rgba(0,39,76,0.08);
  font-size: 13px;
}
.ticket-detail-row:last-child { border-bottom: none; }
.td-label { color: #666; }
.td-val { color: var(--navy-dark); font-weight: 500; text-align: right; }
.mono { font-family: var(--font-mono); font-size: 12px; }

.ticket-qr-wrap {
  padding: 1rem 1.25rem;
  display: flex; flex-direction: column; align-items: center;
  border-top: 0.5px dashed rgba(0,39,76,0.15);
  gap: 0.75rem;
}
#ticket-qr canvas, #ticket-qr img { border-radius: 4px; }
.ticket-qr-note { font-size: 11px; color: #999; text-align: center; line-height: 1.5; }

.ticket-footer {
  background: rgba(0,39,76,0.05);
  padding: 0.6rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 10px; color: #aaa;
  letter-spacing: 0.05em;
}

/* ── PHOTOS TAB ── */
.photos-intro {
  font-size: 14px; color: var(--text-muted);
  line-height: 1.7; margin-bottom: 1.5rem;
}

.upload-zone {
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 1rem;
  text-align: center; cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  margin-bottom: 1.5rem;
}
.upload-zone:hover { background: var(--maize-dim); border-color: var(--maize); }
.upload-icon { font-size: 24px; color: var(--maize); margin-bottom: 0.5rem; }
.upload-text { font-size: 15px; color: var(--white); margin-bottom: 0.25rem; }
.upload-sub { font-size: 12px; color: var(--text-dim); }

.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.photo-item {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: rgba(255,255,255,0.05);
}
.photo-item img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ── UTILITIES ── */
.hidden { display: none !important; }
.mono { font-family: var(--font-mono); }

@media (max-width: 400px) {
  .header-title { font-size: 38px; }
  .cd-num { font-size: 22px; }
  .login-title { font-size: 34px; }
}