:root {
  --bg: #070503;
  --panel: rgba(20, 14, 10, 0.86);
  --panel-strong: rgba(32, 22, 15, 0.94);
  --text: #f7ead4;
  --muted: #c8b99c;
  --line: rgba(243, 199, 114, 0.18);
  --gold: #d8a94f;
  --gold-dark: #8f6320;
  --danger: #e68d76;
  --ok: #a9d49b;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 20% 12%, rgba(216, 169, 79, 0.12), transparent 28%),
    radial-gradient(circle at 80% 78%, rgba(95, 26, 33, 0.24), transparent 34%),
    linear-gradient(180deg, #100b08 0%, var(--bg) 44%, #020202 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
textarea {
  font: inherit;
}

button {
  border: 1px solid rgba(216, 169, 79, 0.42);
  border-radius: 8px;
  background: linear-gradient(180deg, #e0b45c, #a57225);
  color: #130c05;
  cursor: pointer;
  font-weight: 800;
  padding: 0.76rem 1rem;
}

button:hover {
  filter: brightness(1.06);
}

button.ghost {
  background: transparent;
  color: var(--muted);
}

label {
  display: grid;
  gap: 0.45rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 750;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(2, 2, 2, 0.46);
  color: var(--text);
  padding: 0.8rem 0.9rem;
}

textarea {
  resize: vertical;
}

.admin-shell {
  width: min(100%, 1280px);
  margin: 0 auto;
  padding: 2rem 1rem 3rem;
}

.login-panel {
  width: min(100%, 460px);
  margin: 12vh auto 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  padding: 2rem;
}

.eyebrow {
  margin: 0 0 0.55rem;
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 500;
}

h2 {
  font-size: 1rem;
}

.login-form {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.studio-header,
.toolbar,
.preview-actions,
.waitlist-box,
.progress {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.studio-header {
  justify-content: space-between;
  margin-bottom: 1.2rem;
}

.studio-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.88fr) minmax(360px, 1.12fr);
  gap: 1rem;
}

.composer,
.preview-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 1rem;
}

.composer {
  display: grid;
  gap: 1rem;
}

.toolbar,
.preview-actions {
  flex-wrap: wrap;
}

.two-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.preview-panel {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.mail-meta {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.28);
  padding: 0.85rem;
}

.mail-meta strong,
.mail-meta span {
  display: block;
}

.mail-meta span {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

.preview-frame-wrap {
  width: 100%;
  min-height: 660px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #151515;
  padding: 1rem;
  overflow: auto;
}

.preview-frame-wrap.mobile iframe {
  width: 390px;
}

iframe {
  display: block;
  width: 100%;
  min-height: 620px;
  margin: 0 auto;
  border: 0;
  background: #111;
}

.send-panel {
  display: grid;
  gap: 0.85rem;
  border: 1px solid rgba(216, 169, 79, 0.14);
  border-radius: 8px;
  background: var(--panel-strong);
  padding: 1rem;
}

.waitlist-box,
.progress {
  justify-content: space-between;
  border-top: 1px solid rgba(216, 169, 79, 0.12);
  padding-top: 0.85rem;
}

.waitlist-box span,
.progress span {
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
}

.status {
  min-height: 1.2rem;
  margin: 0;
  color: var(--muted);
}

.status.is-error {
  color: var(--danger);
}

.status.is-ok {
  color: var(--ok);
}

@media (max-width: 900px) {
  .studio-grid,
  .two-cols {
    grid-template-columns: 1fr;
  }

  .studio-header,
  .progress {
    align-items: flex-start;
    flex-direction: column;
  }
}