:root {
  --mk-pine: #145346;
  --mk-pine-dark: #0D382F;
  --mk-pine-soft: #ECF6F3;
  --mk-copper: #B85D19;
  --mk-copper-soft: #FDF5EE;
  --mk-bg: #F6F4EE;
  --mk-card: #FFFFFF;
  --mk-border: #E3DED2;
  --mk-ink: #16231E;
  --mk-muted: #5C6B64;
  --mk-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --mk-serif: 'Instrument Serif', Georgia, serif;
  --mk-mono: 'JetBrains Mono', monospace;
}

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

body {
  margin: 0;
  font-family: var(--mk-sans);
  background: var(--mk-bg);
  color: var(--mk-ink);
  -webkit-font-smoothing: antialiased;
}

/* Auth Gate & Unsubscribe */
.mk-gate-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  background: radial-gradient(circle at top right, #E4F0EC 0%, #F6F4EE 58%);
}

.mk-gate-card {
  width: 100%;
  max-width: 640px;
  background: #FFF;
  border: 1px solid var(--mk-border);
  border-radius: 22px;
  padding: 34px;
  box-shadow: 0 20px 50px rgba(20, 35, 30, 0.08);
}

.mk-gate-head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 18px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--mk-border);
}

.mk-gate-mark {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--mk-pine);
  color: #FFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
}

.mk-gate-domain { font-family: var(--mk-mono); font-size: 0.85rem; font-weight: 700; color: var(--mk-pine); }
.mk-gate-sub { font-size: 0.8rem; color: var(--mk-muted); }

.mk-gate-badge {
  display: inline-block;
  font-family: var(--mk-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 5px 11px;
  border-radius: 999px;
  background: var(--mk-pine-soft);
  color: var(--mk-pine);
  margin-bottom: 12px;
}

.mk-gate-badge--denied { background: #FEF2F2; color: #991B1B; }

.mk-gate-card h1 {
  font-family: var(--mk-serif);
  font-size: 2.05rem;
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 12px;
}

.mk-gate-card p { font-size: 0.95rem; line-height: 1.62; color: var(--mk-muted); margin: 0 0 16px; }
.mk-gate-list { padding-left: 18px; margin: 0 0 22px; color: var(--mk-ink); font-size: 0.9rem; line-height: 1.65; }
.mk-gate-list li { margin-bottom: 6px; }

.mk-gate-callout {
  background: var(--mk-copper-soft);
  border-left: 4px solid var(--mk-copper);
  padding: 14px 16px;
  border-radius: 0 12px 12px 0;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.88rem;
}

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

/* Main Console Layout */
.mk-main {
  padding: 22px 24px 48px;
  max-width: 1480px;
  margin: 0 auto;
  overflow-x: hidden;
}

.mk-eyebrow {
  display: block;
  font-family: var(--mk-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--mk-copper);
  margin-bottom: 4px;
}

.mk-hero-banner {
  background: linear-gradient(135deg, #11463B 0%, #195E4F 65%, #236B5B 100%);
  color: #FFFFFF;
  border-radius: 20px;
  padding: 26px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  margin-bottom: 20px;
  box-shadow: 0 14px 32px rgba(20, 83, 70, 0.14);
}

.mk-hero-banner .mk-eyebrow { color: #FDE68A; }
.mk-hero-banner h1 {
  font-family: var(--mk-serif);
  font-size: 2rem;
  font-weight: 400;
  margin: 0 0 8px;
  line-height: 1.15;
}
.mk-hero-banner p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.58;
  color: rgba(255, 255, 255, 0.9);
  max-width: 720px;
}
.mk-hero-banner code {
  background: rgba(255,255,255,0.15);
  padding: 2px 6px;
  border-radius: 6px;
  font-family: var(--mk-mono);
  font-size: 0.82rem;
}
.mk-hero-actions { display: flex; gap: 10px; flex-shrink: 0; flex-wrap: wrap; }
.mk-hero-actions .mk-btn--primary { background: #FFF; color: var(--mk-pine); }
.mk-hero-actions .mk-btn--ghost { background: rgba(255,255,255,0.12); color: #FFF; border-color: rgba(255,255,255,0.3); }

/* Buttons */
.mk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 10px 18px;
  border-radius: 999px;
  font-family: var(--mk-sans);
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.14s ease, box-shadow 0.14s ease, background 0.14s ease;
  white-space: nowrap;
}
.mk-btn:hover { transform: translateY(-1px); }
.mk-btn--sm { padding: 7px 14px; font-size: 0.8rem; }
.mk-btn--primary { background: var(--mk-pine); color: #FFF; box-shadow: 0 6px 16px rgba(20, 83, 70, 0.18); }
.mk-btn--copper { background: var(--mk-copper); color: #FFF; box-shadow: 0 6px 16px rgba(184, 93, 25, 0.2); }
.mk-btn--ghost { background: #FFF; color: var(--mk-ink); border-color: var(--mk-border); }

/* KPI Grid */
.mk-kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.mk-kpi-card {
  background: var(--mk-card);
  border: 1px solid var(--mk-border);
  border-radius: 16px;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mk-kpi-label { font-size: 0.78rem; font-weight: 700; color: var(--mk-muted); }
.mk-kpi-val { font-size: 1.85rem; font-weight: 800; letter-spacing: -0.02em; color: var(--mk-ink); }
.mk-kpi-val--pine { color: var(--mk-pine); }
.mk-kpi-val--copper { color: var(--mk-copper); }
.mk-kpi-sub { font-size: 0.76rem; color: var(--mk-muted); }

/* Cards */
.mk-card {
  background: var(--mk-card);
  border: 1px solid var(--mk-border);
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 6px 20px rgba(20, 35, 30, 0.03);
}
.mk-card h2 {
  font-size: 1.15rem;
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.01em;
}
.mk-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.mk-muted { font-size: 0.88rem; line-height: 1.58; color: var(--mk-muted); margin: 6px 0 16px; }

/* Campaigns List */
.mk-campaigns-list { display: grid; gap: 12px; }
.mk-camp-item {
  border: 1px solid var(--mk-border);
  border-radius: 14px;
  padding: 16px 18px;
  background: #FCFBF8;
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) minmax(0, 1.1fr) auto;
  gap: 16px;
  align-items: center;
}
.mk-camp-badges { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 6px; }
.mk-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 0.71rem;
  font-weight: 700;
  background: var(--mk-pine-soft);
  color: var(--mk-pine);
}
.mk-badge--sent { background: #DCFCE7; color: #166534; }
.mk-badge--scheduled { background: #FEF3C7; color: #92400E; }
.mk-badge--draft { background: #F1F5F9; color: #475569; }
.mk-camp-title { font-size: 0.98rem; font-weight: 800; margin: 0 0 4px; color: var(--mk-ink); }
.mk-camp-subj { font-size: 0.84rem; color: var(--mk-muted); margin: 0; }
.mk-camp-metrics {
  display: flex;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--mk-muted);
}
.mk-camp-metrics strong { display: block; font-size: 1rem; color: var(--mk-ink); }
.mk-camp-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* Studio Visual Builder */
.mk-studio-toolbar {
  background: #FFF;
  border: 1px solid var(--mk-border);
  border-radius: 16px;
  padding: 14px 18px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.mk-studio-toolbar__left, .mk-studio-toolbar__right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.mk-label-inline { font-size: 0.83rem; font-weight: 700; color: var(--mk-ink); }
.mk-quality-pill {
  font-family: var(--mk-mono);
  font-size: 0.76rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 999px;
  background: #DCFCE7;
  color: #166534;
}
.mk-quality-pill.is-warn { background: #FEF2F2; color: #991B1B; }

.mk-studio-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: 18px;
  align-items: start;
}

.mk-mono-tag {
  font-family: var(--mk-mono);
  font-size: 0.73rem;
  padding: 4px 10px;
  border-radius: 8px;
  background: #F1EFE8;
  color: var(--mk-pine);
  font-weight: 700;
}

.mk-form-row { display: grid; gap: 12px; margin-bottom: 12px; }
.mk-form-row--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.mk-form-row--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.mk-field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 10px; }
.mk-field label { font-size: 0.78rem; font-weight: 700; color: #334155; }

.mk-input, .mk-select, .mk-textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid #D4CEC0;
  border-radius: 10px;
  font-family: var(--mk-sans);
  font-size: 0.86rem;
  color: var(--mk-ink);
  background: #FFF;
}
.mk-input:focus, .mk-select:focus, .mk-textarea:focus {
  outline: none;
  border-color: var(--mk-pine);
  box-shadow: 0 0 0 3px rgba(20, 83, 70, 0.12);
}

.mk-color-swatches { display: flex; align-items: center; gap: 8px; padding-top: 4px; }
.mk-swatch {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
}
.mk-swatch.is-selected { border-color: #0F172A; box-shadow: 0 0 0 2px #FFF inset; }

.mk-vars-bar {
  background: var(--mk-pine-soft);
  border: 1px dashed #A7D7C9;
  border-radius: 12px;
  padding: 9px 12px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 0.78rem;
  color: var(--mk-pine);
  font-weight: 600;
}
.mk-var-chip {
  font-family: var(--mk-mono);
  font-size: 0.75rem;
  font-weight: 700;
  background: #FFF;
  color: var(--mk-pine);
  border: 1px solid #99C9BB;
  border-radius: 999px;
  padding: 3px 10px;
  cursor: pointer;
}

.mk-quality-box {
  margin-top: 10px;
  padding: 12px 14px;
  border-radius: 12px;
  background: #FAF8F4;
  border: 1px solid var(--mk-border);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  font-size: 0.79rem;
}
.mk-qcheck { display: flex; align-items: center; gap: 6px; font-weight: 600; }
.mk-qcheck--ok { color: #166534; }
.mk-qcheck--bad { color: #991B1B; }

/* Live Preview Pane */
.mk-preview-card { position: sticky; top: 14px; padding: 18px; }
.mk-preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.mk-preview-head h3 { margin: 0; font-size: 0.98rem; font-weight: 800; }
.mk-device-toggle {
  display: inline-flex;
  background: #F1EFE8;
  padding: 3px;
  border-radius: 999px;
}
.mk-dev-btn {
  border: 0;
  background: transparent;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  cursor: pointer;
  color: var(--mk-muted);
}
.mk-dev-btn.is-active { background: var(--mk-pine); color: #FFF; }

.mk-inbox-envelope {
  background: #FAF8F4;
  border: 1px solid var(--mk-border);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 0.8rem;
  line-height: 1.55;
  margin-bottom: 12px;
}

.mk-iframe-stage {
  background: #EAE5D9;
  border-radius: 14px;
  padding: 14px;
  display: flex;
  justify-content: center;
  min-height: 520px;
}
.mk-iframe-stage iframe {
  width: 100%;
  max-width: 640px;
  height: 510px;
  border: 0;
  border-radius: 12px;
  background: #F4F1EA;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  transition: max-width 0.22s ease;
}
.mk-iframe-stage.is-mobile iframe {
  max-width: 375px;
  border: 6px solid #1E293B;
  border-radius: 24px;
}

.mk-test-send-bar {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--mk-border);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mk-test-send-bar__label strong { display: block; font-size: 0.85rem; }
.mk-test-send-bar__label span { font-size: 0.78rem; color: var(--mk-muted); }
.mk-test-send-bar__controls { display: flex; gap: 8px; }

/* Two-col & Tables */
.mk-two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.95fr);
  gap: 18px;
  align-items: start;
}
.mk-stack-form { display: flex; flex-direction: column; gap: 4px; }

.mk-table-wrap { overflow-x: auto; }
.mk-table { width: 100%; border-collapse: collapse; font-size: 0.84rem; }
.mk-table th {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 2px solid var(--mk-border);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--mk-muted);
}
.mk-table td {
  padding: 11px 12px;
  border-bottom: 1px solid #EFECE4;
  vertical-align: top;
}

/* QR & Links */
.mk-qr-showcase {
  margin: 18px 0;
  padding: 16px;
  border-radius: 14px;
  background: #FAF8F4;
  border: 1px solid var(--mk-border);
  display: flex;
  align-items: center;
  gap: 18px;
}
.mk-qr-showcase img { width: 132px; height: auto; flex-shrink: 0; border-radius: 12px; }
.mk-qr-showcase strong { display: block; font-size: 0.94rem; margin-bottom: 4px; }
.mk-qr-showcase code {
  display: inline-block;
  font-family: var(--mk-mono);
  font-size: 0.76rem;
  background: #FFF;
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid var(--mk-border);
  word-break: break-all;
}

.mk-links-list, .mk-calendar-list { display: grid; gap: 10px; }
.mk-link-row, .mk-cal-row {
  padding: 12px 14px;
  border: 1px solid var(--mk-border);
  border-radius: 12px;
  background: #FCFBF8;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

/* Playbooks */
.mk-playbooks-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.mk-pb-card {
  background: #FFF;
  border: 1px solid var(--mk-border);
  border-radius: 18px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.mk-pb-card h3 { font-family: var(--mk-serif); font-size: 1.45rem; font-weight: 400; margin: 0; line-height: 1.2; color: var(--mk-pine-dark); }
.mk-pb-promise {
  background: var(--mk-pine-soft);
  border-left: 4px solid var(--mk-pine);
  padding: 10px 14px;
  border-radius: 0 10px 10px 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--mk-pine-dark);
}
.mk-pb-list { margin: 4px 0 0; padding-left: 18px; font-size: 0.84rem; line-height: 1.56; }
.mk-pb-list li { margin-bottom: 5px; }
.mk-pb-forbid {
  background: #FEF2F2;
  border: 1px solid #FECACA;
  border-radius: 12px;
  padding: 12px 14px;
}
.mk-pb-bridge {
  background: var(--mk-copper-soft);
  border: 1px solid #F5D5B8;
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 0.82rem;
}

.mk-toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 9999;
  background: var(--mk-pine-dark);
  color: #FFF;
  padding: 12px 18px;
  border-radius: 12px;
  font-size: 0.86rem;
  font-weight: 700;
  box-shadow: 0 12px 30px rgba(0,0,0,0.22);
  max-width: 420px;
}

/* Mobile Responsive (390px) */
@media (max-width: 1080px) {
  .mk-studio-grid, .mk-two-col, .mk-playbooks-grid { grid-template-columns: 1fr; }
  .mk-preview-card { position: static; }
  .mk-kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .mk-main { padding: 14px 12px 36px; }
  .mk-hero-banner { flex-direction: column; align-items: flex-start; padding: 20px 18px; }
  .mk-hero-banner h1 { font-size: 1.55rem; }
  .mk-kpi-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .mk-kpi-val { font-size: 1.45rem; }
  .mk-card { padding: 16px 14px; }
  .mk-camp-item { grid-template-columns: 1fr; gap: 10px; }
  .mk-form-row--2, .mk-form-row--3, .mk-quality-box { grid-template-columns: 1fr; }
  .mk-test-send-bar__controls { flex-direction: column; }
  .mk-qr-showcase { flex-direction: column; align-items: flex-start; }
  .mk-link-row, .mk-cal-row { flex-direction: column; align-items: flex-start; }
}