:root {
  --bg: #0f172a;
  --bg-soft: #1e293b;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --google: #ea4335;
  --outlook: #0078d4;
  --apple: #111827;
  --yahoo: #6001d2;
  --danger: #dc2626;
  --ok: #16a34a;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(2, 6, 23, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  background: linear-gradient(160deg, #f8fafc 0%, #eef2ff 55%, #e0e7ff 100%);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 20px;
}

.brand .logo {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 20px;
}

.nav {
  display: flex;
  gap: 8px;
  align-items: center;
}

.nav a,
.nav button {
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
}

.nav a:hover,
.nav button:hover {
  background: #f1f5f9;
}

.hero {
  color: var(--text);
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(28px, 5vw, 44px);
  margin: 0 0 10px;
  line-height: 1.1;
}

.hero p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  max-width: 640px;
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}

.card + .card {
  margin-top: 20px;
}

h2 {
  margin-top: 0;
}

/* Event list */
.events-grid {
  display: grid;
  gap: 16px;
}

.event-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px;
  flex-wrap: wrap;
}

.event-item .meta h3 {
  margin: 0 0 4px;
  font-size: 18px;
}

.event-item .meta .when {
  color: var(--muted);
  font-size: 14px;
}

.event-item .meta .where {
  color: var(--muted);
  font-size: 13px;
}

.badge {
  display: inline-block;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 999px;
  background: #eef2ff;
  color: var(--primary-dark);
  margin-left: 8px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
  border-radius: 10px;
  padding: 11px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  color: #fff;
  background: var(--primary);
  transition: transform 0.05s ease, filter 0.15s ease;
}

.btn:hover {
  filter: brightness(1.07);
}

.btn:active {
  transform: translateY(1px);
}

.btn.ghost {
  background: #f1f5f9;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn.danger {
  background: var(--danger);
}

.btn.small {
  padding: 7px 12px;
  font-size: 13px;
}

.btn.full {
  width: 100%;
  justify-content: center;
}

.cal-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 8px;
}

.btn.google { background: var(--google); }
.btn.outlook { background: var(--outlook); }
.btn.office { background: #d83b01; }
.btn.apple { background: var(--apple); }
.btn.yahoo { background: var(--yahoo); }

/* Forms */
.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}

.field input,
.field textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 9px;
  font-size: 15px;
  font-family: inherit;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.field textarea {
  min-height: 90px;
  resize: vertical;
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.checkbox input {
  width: auto;
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.muted {
  color: var(--muted);
  font-size: 14px;
}

.empty {
  text-align: center;
  color: var(--muted);
  padding: 40px 20px;
}

/* Toast / messages */
.msg {
  padding: 12px 14px;
  border-radius: 9px;
  font-size: 14px;
  margin-bottom: 16px;
}

.msg.error {
  background: #fef2f2;
  color: var(--danger);
  border: 1px solid #fecaca;
}

.msg.ok {
  background: #f0fdf4;
  color: var(--ok);
  border: 1px solid #bbf7d0;
}

.hidden {
  display: none !important;
}

/* Generated link box */
.linkbox {
  display: flex;
  gap: 8px;
  margin-top: 6px;
}

.linkbox input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 9px;
  font-size: 13px;
  background: #f8fafc;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.event-detail .when {
  color: var(--muted);
  font-size: 16px;
  margin: 4px 0;
}

.event-detail .desc {
  margin-top: 16px;
  white-space: pre-wrap;
  line-height: 1.5;
}

table.admin-list {
  width: 100%;
  border-collapse: collapse;
}

table.admin-list th,
table.admin-list td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  vertical-align: top;
}

table.admin-list th {
  color: var(--muted);
  font-weight: 600;
}

@media (max-width: 600px) {
  .row {
    grid-template-columns: 1fr;
  }
  table.admin-list thead {
    display: none;
  }
  table.admin-list td {
    display: block;
    border: none;
    padding: 2px 0;
  }
  table.admin-list tr {
    display: block;
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
  }
}