:root {
  --bg: #07111c;
  --panel: rgba(10, 24, 40, 0.86);
  --panel-border: rgba(164, 197, 255, 0.12);
  --text: #eff6ff;
  --muted: #9ab0ca;
  --accent: #5eead4;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Helvetica Neue", "PingFang SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(94, 234, 212, 0.15), transparent 30%),
    radial-gradient(circle at top right, rgba(96, 165, 250, 0.18), transparent 26%),
    var(--bg);
}

.admin-page {
  width: min(100%, 1600px);
  margin: 0 auto;
  padding:
    max(24px, env(safe-area-inset-top))
    max(24px, env(safe-area-inset-right))
    max(24px, env(safe-area-inset-bottom))
    max(24px, env(safe-area-inset-left));
}

.hero,
.screen-form,
.preview-card {
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  background: var(--panel);
  backdrop-filter: blur(16px);
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
}

h1,
h2,
h3,
p {
  margin: 0;
}

.hero-copy {
  margin-top: 12px;
  max-width: 780px;
  color: var(--muted);
  line-height: 1.6;
}

.hero-actions {
  display: grid;
  align-content: start;
  gap: 10px;
  min-width: 220px;
}

.hero-actions a,
.hero-actions button,
.screen-form button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 12px 16px;
  background: #f8fafc;
  color: #04101d;
  cursor: pointer;
  text-decoration: none;
  font-weight: 700;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(360px, 0.8fr);
  gap: 24px;
  align-items: start;
}

.forms {
  display: grid;
  gap: 20px;
  min-width: 0;
}

.screen-form {
  padding: 20px;
  display: grid;
  gap: 16px;
  min-width: 0;
}

.form-head,
.preview-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  min-width: 0;
}

.form-head > div,
.preview-head > h2,
.preview-head > a {
  min-width: 0;
}

label {
  display: grid;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
  min-width: 0;
}

input {
  width: 100%;
  min-width: 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 12px 14px;
}

input[type="file"] {
  padding: 10px;
}

.hint,
.form-status,
.preview-head a {
  color: var(--muted);
  font-size: 13px;
  overflow-wrap: anywhere;
  word-break: break-word;
}

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

.toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.toggle input {
  width: auto;
  margin: 0;
  flex: 0 0 auto;
}

.windows-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  min-width: 0;
}

.window-card {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 14px;
  display: grid;
  gap: 12px;
  background: rgba(255, 255, 255, 0.03);
  min-width: 0;
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  min-width: 0;
}

.previews {
  display: grid;
  gap: 20px;
  min-width: 0;
}

.preview-card {
  padding: 16px;
  display: grid;
  gap: 12px;
  min-width: 0;
}

iframe {
  width: 100%;
  aspect-ratio: 24 / 5;
  min-height: 220px;
  border: 0;
  border-radius: 18px;
  background: #000;
}

@media (max-width: 1200px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .admin-page {
    padding:
      max(16px, env(safe-area-inset-top))
      max(16px, env(safe-area-inset-right))
      max(16px, env(safe-area-inset-bottom))
      max(16px, env(safe-area-inset-left));
  }

  .hero {
    flex-direction: column;
    padding: 20px;
  }

  .hero-actions,
  .screen-form button {
    width: 100%;
  }

  .windows-grid,
  .mini-grid {
    grid-template-columns: 1fr;
  }

  .toggle {
    width: 100%;
    justify-content: flex-start;
  }

  iframe {
    min-height: 180px;
  }
}

@media (max-width: 520px) {
  .hero,
  .screen-form,
  .preview-card {
    border-radius: 18px;
  }

  .hero,
  .screen-form,
  .preview-card,
  .window-card {
    padding: 16px;
  }

  .hero-copy {
    font-size: 14px;
  }

  .form-head h2,
  .preview-head h2 {
    font-size: 18px;
  }

  .window-card {
    gap: 10px;
  }
}