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

:root {
  --cream: #F7F3EE;
  --warm-white: #FFFDF9;
  --bark: #B5845A;
  --bark-dark: #9A6E49;
  --ink: #3D2B1F;
  --ink-mid: #5A3E2E;
  --ink-muted: #9E8070;
  --border: #E8DDD4;
  --border-light: #F0EAE3;
  --success-bg: #EAF3DE;
  --success-text: #3B6D11;
  --error-bg: #FCEBEB;
  --error-text: #A32D2D;
  --warning-bg: #FAEEDA;
  --warning-text: #854F0B;
}

html { font-size: 16px; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--cream);
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ─── Header ─────────────────────────────────────────────── */
.site-header {
  background: var(--warm-white);
  border-bottom: 1px solid var(--border);
  padding: 0;
}

.site-header .container {
  padding-top: 14px;
  padding-bottom: 14px;
}

.wordmark {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 22px;
  color: var(--bark);
  text-decoration: none;
  letter-spacing: 0.01em;
}

/* ─── Layout ─────────────────────────────────────────────── */
.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

.narrow { max-width: 560px; }

main.container {
  flex: 1;
  padding-top: 2.5rem;
  padding-bottom: 3rem;
}

/* ─── Footer ─────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.25rem 0;
  font-size: 13px;
  color: var(--ink-muted);
  text-align: center;
}

/* ─── Page header ────────────────────────────────────────── */
.page-header {
  margin-bottom: 2rem;
}

.page-header h1 {
  font-family: 'Playfair Display', serif;
  font-weight: 400;
  font-size: 32px;
  color: var(--ink);
  margin-bottom: 4px;
}

.page-header .subtitle {
  font-size: 15px;
  color: var(--ink-muted);
}

.deadline-pill {
  display: inline-block;
  margin-top: 10px;
  background: var(--warning-bg);
  color: var(--warning-text);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 100px;
  letter-spacing: 0.02em;
}

.status-pill {
  display: inline-block;
  margin-top: 10px;
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 100px;
}

.status-pill.sent {
  background: var(--success-bg);
  color: var(--success-text);
}

/* ─── Forms ──────────────────────────────────────────────── */
.signup-form { }

.form-section {
  background: var(--warm-white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}

.form-section h2 {
  font-family: 'Playfair Display', serif;
  font-weight: 400;
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 1rem;
}

.section-note {
  font-size: 13px;
  color: var(--ink-muted);
  margin-bottom: 1rem;
  margin-top: -0.5rem;
}

.field {
  margin-bottom: 1rem;
}

.field:last-child { margin-bottom: 0; }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.req { color: var(--bark); }

.hint {
  display: block;
  font-size: 12px;
  color: var(--ink-muted);
  margin-top: 4px;
}

input[type=text],
input[type=email],
input[type=password],
input[type=date],
textarea,
select {
  display: block;
  width: 100%;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  color: var(--ink);
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 13px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  appearance: none;
  -webkit-appearance: none;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--bark);
  box-shadow: 0 0 0 3px rgba(181,132,90,0.15);
  background: var(--warm-white);
}

textarea { resize: vertical; line-height: 1.6; }

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239E8070' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
  cursor: pointer;
}

.btn-submit {
  width: 100%;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: white;
  background: var(--bark);
  border: none;
  border-radius: 10px;
  padding: 14px 24px;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  margin-top: 0.5rem;
  letter-spacing: 0.01em;
}

.btn-submit:hover { background: var(--bark-dark); }
.btn-submit:active { transform: scale(0.99); }

/* ─── Banners ────────────────────────────────────────────── */
.error-banner {
  background: var(--error-bg);
  color: var(--error-text);
  border: 1px solid #F09595;
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 14px;
  margin-bottom: 1.25rem;
}

.success-banner {
  background: var(--success-bg);
  color: var(--success-text);
  border: 1px solid #C0DD97;
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 14px;
  margin-bottom: 1.25rem;
}

/* ─── State cards ────────────────────────────────────────── */
.success-card, .closed-card {
  background: var(--warm-white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 3rem 2rem;
  text-align: center;
  max-width: 440px;
  margin: 0 auto;
}

.success-icon, .closed-icon {
  font-size: 28px;
  color: var(--bark);
  margin-bottom: 1rem;
}

.success-card h1, .closed-card h1 {
  font-family: 'Playfair Display', serif;
  font-weight: 400;
  font-size: 26px;
  margin-bottom: 12px;
}

.success-card p, .closed-card p {
  font-size: 15px;
  color: var(--ink-mid);
  line-height: 1.7;
}

/* ─── Admin ──────────────────────────────────────────────── */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 1.5rem;
}

.metric-card {
  background: var(--warm-white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}

.metric-label {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-muted);
  margin-bottom: 4px;
}

.metric-val {
  font-family: 'Playfair Display', serif;
  font-size: 28px;
  font-weight: 400;
  color: var(--ink);
}

.progress-wrap {
  margin-bottom: 1.75rem;
}

.progress-bar {
  height: 6px;
  background: var(--border);
  border-radius: 100px;
  overflow: hidden;
  margin-bottom: 6px;
}

.progress-fill {
  height: 100%;
  background: var(--bark);
  border-radius: 100px;
  transition: width 0.4s ease;
}

.progress-label {
  font-size: 12px;
  color: var(--ink-muted);
}

.admin-section {
  margin-bottom: 2.5rem;
}

.admin-section h2 {
  font-family: 'Playfair Display', serif;
  font-weight: 400;
  font-size: 20px;
  color: var(--ink);
  margin-bottom: 1rem;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.action-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.btn-primary {
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 500;
  background: var(--bark);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 9px 18px;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-primary:hover { background: var(--bark-dark); }

.btn-ghost-sm {
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 400;
  background: transparent;
  color: var(--ink-muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px 14px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-ghost-sm:hover {
  color: var(--ink);
  border-color: var(--ink-muted);
}

.btn-danger-sm {
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  background: transparent;
  color: var(--error-text);
  border: 1px solid #F09595;
  border-radius: 6px;
  padding: 7px 14px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-danger-sm:hover { background: var(--error-bg); }

/* ─── Admin table ────────────────────────────────────────── */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.admin-table th {
  text-align: left;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}

.admin-table td {
  padding: 11px 10px;
  border-bottom: 1px solid var(--border-light);
  color: var(--ink);
  vertical-align: middle;
}

.admin-table tbody tr:last-child td { border-bottom: none; }

.admin-table a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
}

.admin-table a:hover { color: var(--bark); text-decoration: underline; }

.admin-table .arrow { color: var(--ink-muted); text-align: center; }
.admin-table .muted { color: var(--ink-muted); }
.admin-table .small { font-size: 12px; }

/* ─── Badges ─────────────────────────────────────────────── */
.badge-sent {
  display: inline-block;
  background: var(--success-bg);
  color: var(--success-text);
  font-size: 11px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 100px;
}

.badge-pending {
  display: inline-block;
  background: var(--warning-bg);
  color: var(--warning-text);
  font-size: 11px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 100px;
}

.badge-draft {
  display: inline-block;
  background: var(--border-light);
  color: var(--ink-muted);
  font-size: 11px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 100px;
}

/* ─── Detail card (participant view) ─────────────────────── */
.detail-card {
  background: var(--warm-white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.detail-card h3 {
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  margin-bottom: 10px;
}

.detail-card p {
  font-size: 14px;
  color: var(--ink-mid);
  line-height: 1.7;
  margin-bottom: 6px;
}

.detail-card p:last-child { margin-bottom: 0; }
.detail-card p strong { color: var(--ink); }

code {
  font-family: monospace;
  font-size: 12px;
  background: var(--cream);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--ink-muted);
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 560px) {
  .two-col { grid-template-columns: 1fr; }
  .metrics-row { grid-template-columns: repeat(2, 1fr); }
  .admin-table { font-size: 13px; }
  .page-header h1 { font-size: 26px; }
}

/* ─── Client-side additions ──────────────────────────────── */
.hidden { display: none !important; }
.loading-state { text-align: center; padding: 3rem 1rem; color: var(--ink-muted); font-size: 14px; }
.spinner {
  width: 24px; height: 24px; border: 2px solid var(--border);
  border-top-color: var(--bark); border-radius: 50%;
  animation: spin 0.7s linear infinite; margin: 0 auto 1rem;
}
@keyframes spin { to { transform: rotate(360deg); } }
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: white; padding: 12px 20px; border-radius: 8px;
  font-size: 14px; z-index: 1000; opacity: 0; transition: opacity 0.2s;
  max-width: 90%; box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.toast.show { opacity: 1; }
.toast.error { background: #A32D2D; }
.toast.success { background: #3B6D11; }
.btn:disabled, .btn-submit:disabled, .btn-primary:disabled {
  opacity: 0.5; cursor: not-allowed;
}