:root {
  --color-bg: #f6f7fb;
  --color-surface: #ffffff;
  --color-border: #e4e7ec;
  --color-text: #1a1d29;
  --color-text-muted: #666b7a;
  --color-primary: #4f46e5;
  --color-primary-dark: #4338ca;
  --color-primary-light: #eef0ff;
  --color-success: #148a4c;
  --color-success-bg: #e6f6ec;
  --color-danger: #d92d20;
  --color-danger-bg: #fdecec;
  --color-warning: #b25e00;
  --color-warning-bg: #fff3e0;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow-md: 0 4px 12px rgba(16, 24, 40, 0.08);
  --shadow-lg: 0 12px 32px rgba(16, 24, 40, 0.12);
  --sidebar-width: 240px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { margin: 0 0 8px; line-height: 1.25; }
p { margin: 0 0 12px; color: var(--color-text-muted); }

img { max-width: 100%; display: block; }

button { font-family: inherit; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.05s ease;
  text-decoration: none;
  line-height: 1.2;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); text-decoration: none; }
.btn-secondary { background: #fff; color: var(--color-text); border-color: var(--color-border); }
.btn-secondary:hover { background: #fafafc; text-decoration: none; }
.btn-danger { background: #fff; color: var(--color-danger); border-color: #f3c6c2; }
.btn-danger:hover { background: var(--color-danger-bg); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--color-text-muted); border-color: transparent; }
.btn-ghost:hover { background: #eee; text-decoration: none; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* ---------- Forms ---------- */
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}
.field .hint { font-size: 12px; color: var(--color-text-muted); margin-top: 4px; }
input[type="text"], input[type="email"], input[type="password"], input[type="url"],
input[type="number"], input[type="tel"], input[type="date"], input[type="time"],
textarea, select {
  width: 100%;
  padding: 10px 12px;
  font-size: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--color-text);
  font-family: inherit;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}
textarea { resize: vertical; min-height: 90px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row input { width: auto; }

.form-error {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  border: 1px solid #f3c6c2;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 16px;
  display: none;
}
.form-error.is-visible { display: block; }

.settings-card-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 8px;
}
.settings-card-heading h2 { margin-bottom: 4px; }
.settings-card-description { margin: 0 0 16px; font-size: 14px; }
.notification-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px;
  margin: 8px 0 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fafaff;
}
.switch { position: relative; width: 46px; height: 26px; flex: 0 0 auto; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch-slider {
  position: absolute;
  inset: 0;
  cursor: pointer;
  background: #d7d8e2;
  border-radius: 999px;
  transition: background .2s ease;
}
.switch-slider::before {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(20, 20, 50, .2);
  transition: transform .2s ease;
}
.switch input:checked + .switch-slider { background: var(--color-primary); }
.switch input:checked + .switch-slider::before { transform: translateX(20px); }
.switch input:focus-visible + .switch-slider { outline: 3px solid var(--color-primary-light); }
.notification-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  padding: 12px 14px;
  margin: 4px 0 18px;
  border-left: 3px solid var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-text);
  font-size: 13px;
}
.notification-summary span { color: var(--color-text-muted); }

/* ---------- Cards / surfaces ---------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.card-pad { padding: 24px; }

/* ---------- Landing page ---------- */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 20;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 20px;
  color: var(--color-text);
}
.brand-mark {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, var(--color-primary), #7c73f0);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 14px;
}
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a:not(.btn) { color: var(--color-text-muted); font-weight: 500; font-size: 14px; }
.site-nav-actions { display: flex; gap: 10px; align-items: center; }

.hero {
  padding: 96px 0 72px;
  text-align: center;
}
.hero-eyebrow {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: 52px;
  letter-spacing: -0.02em;
  max-width: 760px;
  margin: 0 auto 18px;
}
.hero p.lead {
  font-size: 19px;
  max-width: 600px;
  margin: 0 auto 32px;
}
.hero-actions { display: flex; gap: 14px; justify-content: center; }
.hero-actions .btn { padding: 13px 26px; font-size: 15px; }

.code-preview {
  max-width: 640px;
  margin: 56px auto 0;
  background: #14162a;
  color: #d7d9f0;
  border-radius: var(--radius-lg);
  padding: 22px 26px;
  text-align: left;
  font-family: "SFMono-Regular", Consolas, Menlo, monospace;
  font-size: 13.5px;
  line-height: 1.7;
  box-shadow: var(--shadow-lg);
  overflow-x: auto;
}
.code-preview .tag { color: #7ee787; }
.code-preview .attr { color: #a5b4fc; }
.code-preview .str { color: #ffcb6b; }

.section { padding: 72px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-head h2 { font-size: 34px; letter-spacing: -0.01em; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card { padding: 26px; }
.feature-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; margin-bottom: 14px; font-weight: 700;
}
.feature-card h3 { font-size: 17px; }
.feature-card p { font-size: 14.5px; margin-bottom: 0; }

.flow-steps {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--color-text-muted);
}
.flow-steps .step {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 8px 16px;
  font-weight: 600;
  color: var(--color-text);
}

.cta-band {
  background: linear-gradient(135deg, var(--color-primary), #7c73f0);
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  text-align: center;
  color: #fff;
  margin: 0 24px;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,0.85); }
.cta-band .btn-primary { background: #fff; color: var(--color-primary); }
.cta-band .btn-primary:hover { background: #f2f2ff; }

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 32px 0;
  margin-top: 32px;
  color: var(--color-text-muted);
  font-size: 13.5px;
  text-align: center;
}

/* ---------- Auth pages ---------- */
.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.auth-card { width: 100%; max-width: 400px; padding: 36px 32px; }
.auth-card .brand { justify-content: center; margin-bottom: 24px; }
.auth-card h1 { font-size: 22px; text-align: center; }
.auth-card p.subtitle { text-align: center; margin-bottom: 24px; }
.auth-switch { text-align: center; font-size: 14px; margin-top: 18px; color: var(--color-text-muted); }

/* ---------- App shell (dashboard) ---------- */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--sidebar-width);
  background: #fff;
  border-right: 1px solid var(--color-border);
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; bottom: 0; left: 0;
  z-index: 30;
}
.sidebar .brand { padding: 8px 10px 24px; }
.sidebar-nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 14px;
}
.sidebar-link:hover { background: #f3f4f8; text-decoration: none; color: var(--color-text); }
.sidebar-link.is-active { background: var(--color-primary-light); color: var(--color-primary); }
.sidebar-link .icon { width: 18px; text-align: center; }
.sidebar-footer {
  border-top: 1px solid var(--color-border);
  padding-top: 14px;
  margin-top: 14px;
}
.sidebar-user { display: flex; align-items: center; gap: 10px; padding: 6px 10px; font-size: 13.5px; }
.sidebar-user-avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--color-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px; flex-shrink: 0;
}
.sidebar-logout { width: 100%; text-align: left; margin-top: 6px; }

.menu-toggle {
  display: none;
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  cursor: pointer;
}

.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  padding: 28px 32px 60px;
  min-width: 0;
}
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.page-header h1 { font-size: 24px; margin: 0; }
.page-header .subtitle { margin: 4px 0 0; font-size: 14px; }

/* ---------- Stat cards ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.stat-card { padding: 20px; }
.stat-card .label { font-size: 13px; color: var(--color-text-muted); font-weight: 600; margin-bottom: 6px; }
.stat-card .value { font-size: 30px; font-weight: 800; letter-spacing: -0.01em; }
.stat-card .value.accent { color: var(--color-primary); }

/* ---------- Tables & lists ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--color-border); }
th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-text-muted); font-weight: 700; }
tr:last-child td { border-bottom: none; }
tr.is-unread td:first-child { font-weight: 700; position: relative; }
tr.clickable { cursor: pointer; }
tr.clickable:hover { background: #fafafc; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
}
.badge-success { background: var(--color-success-bg); color: var(--color-success); }
.badge-muted { background: #eef0f4; color: var(--color-text-muted); }
.badge-primary { background: var(--color-primary-light); color: var(--color-primary); }
.badge-danger { background: var(--color-danger-bg); color: var(--color-danger); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-primary); display: inline-block; }

.list-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
}
.list-row:last-child { border-bottom: none; }
.list-row-main { min-width: 0; }
.list-row-main h3 { font-size: 15.5px; margin: 0 0 3px; }
.list-row-main .meta { font-size: 13px; color: var(--color-text-muted); }
.list-row-actions { display: flex; gap: 8px; flex-shrink: 0; }

/* ---------- Empty / loading states ---------- */
.empty-state {
  text-align: center;
  padding: 56px 24px;
  color: var(--color-text-muted);
}
.empty-state .icon { font-size: 34px; margin-bottom: 10px; }
.empty-state h3 { color: var(--color-text); font-size: 17px; }
.loading-state { text-align: center; padding: 56px 24px; color: var(--color-text-muted); font-size: 14px; }
.spinner {
  width: 22px; height: 22px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  margin: 0 auto 12px;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(20, 22, 40, 0.45);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal-overlay.is-open { display: flex; }
.modal {
  background: #fff;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; border-bottom: 1px solid var(--color-border);
}
.modal-header h2 { font-size: 18px; margin: 0; }
.modal-close { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--color-text-muted); line-height: 1; }
.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px; border-top: 1px solid var(--color-border);
  display: flex; justify-content: flex-end; gap: 10px;
}

/* ---------- Field builder (form editor) ---------- */
.field-row {
  display: grid;
  grid-template-columns: 1.2fr 1.2fr 1fr auto auto;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
}
.field-row select { padding: 9px 10px; }
.field-row .remove-field {
  background: none; border: none; color: var(--color-danger);
  cursor: pointer; font-size: 18px; padding: 4px 8px;
}

/* ---------- Integration snippet ---------- */
.snippet {
  background: #14162a;
  color: #d7d9f0;
  border-radius: var(--radius-md);
  padding: 16px 18px;
  font-family: "SFMono-Regular", Consolas, Menlo, monospace;
  font-size: 13px;
  overflow-x: auto;
  white-space: pre;
  position: relative;
}
.snippet-copy {
  position: absolute; top: 10px; right: 10px;
  font-size: 12px;
}

/* ---------- Toasts ---------- */
.toast-container {
  position: fixed; bottom: 20px; right: 20px;
  display: flex; flex-direction: column; gap: 10px;
  z-index: 200;
}
.toast {
  background: var(--color-text);
  color: #fff;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.toast.is-visible { opacity: 1; transform: translateY(0); }
.toast--success { background: var(--color-success); }
.toast--error { background: var(--color-danger); }

/* ---------- Detail / key-value ---------- */
.kv-list { border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.kv-row { display: flex; padding: 12px 16px; border-bottom: 1px solid var(--color-border); font-size: 14px; }
.kv-row:last-child { border-bottom: none; }
.kv-row .k { width: 160px; flex-shrink: 0; color: var(--color-text-muted); font-weight: 600; }
.kv-row .v { word-break: break-word; }

.filters-bar {
  display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
  margin-bottom: 18px;
}
.filters-bar select, .filters-bar input { width: auto; min-width: 160px; }
.filters-bar input[type="search"] { min-width: 220px; }

.inline-form { display: flex; align-items: flex-end; gap: 12px; }
.inline-form .field { margin-bottom: 0; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.section-heading h2 { margin-bottom: 8px; }
.webhook-connect-panel { margin: 18px 0 22px; padding: 18px; background: #fafafc; border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.secret-notice {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid #f0d2a6;
  border-radius: var(--radius-sm);
  padding: 12px;
  margin: 12px 0 16px;
  font-size: 13px;
  word-break: break-all;
}
.secret-notice code { color: var(--color-text); font-weight: 700; }
.webhook-deliveries { margin: 8px 0 0 0; padding: 10px 0 0 0; border-top: 1px solid var(--color-border); }
.delivery-row { display: flex; justify-content: space-between; gap: 12px; padding: 6px 0; font-size: 12px; color: var(--color-text-muted); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .feature-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 38px; }
}

@media (max-width: 800px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    box-shadow: var(--shadow-lg);
  }
  .sidebar.is-open { transform: translateX(0); }
  .main-content { margin-left: 0; padding: 20px 16px 50px; }
  .menu-toggle { display: inline-flex; }
  .field-row { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .stats-grid { grid-template-columns: 1fr; }
  .hero { padding: 56px 0 40px; }
  .hero h1 { font-size: 30px; }
  .site-nav { display: none; }
  .cta-band { margin: 0 12px; padding: 40px 20px; }
  .inline-form { display: block; }
  .inline-form .btn { width: 100%; }
}