:root {
  --brand-red: #e14b3f;
  --brand-green: #2e9b5f;
  --ink: #1f2430;
  --border: #e3e1db;
  --muted: #6b7280;
  --bg: #fbf9f4;
  --card: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
}

.hidden {
  display: none !important;
}

.screen {
  min-height: 100vh;
}

/* Login screen */
#login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: 24px;
  padding: 40px;
  max-width: 380px;
  text-align: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.login-card h1 {
  margin: 0 0 8px;
  font-size: 22px;
}

.login-card p {
  color: var(--muted);
  margin: 0 0 20px;
}

.error-text {
  color: var(--brand-red);
  font-size: 13px;
  margin-top: 12px;
}

/* App layout */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--card);
  border-bottom: 2px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-title {
  font-weight: 700;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.save-status {
  font-size: 13px;
  color: var(--muted);
  min-width: 90px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(360px, 1fr) minmax(360px, 1.1fr);
  gap: 0;
  height: calc(100vh - 61px);
}

.editor-pane {
  overflow-y: auto;
  padding: 20px;
  border-right: 2px solid var(--border);
}

.preview-pane {
  display: flex;
  flex-direction: column;
  background: #fff;
}

.preview-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border);
}

#preview-frame {
  flex: 1;
  width: 100%;
  border: none;
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
    height: auto;
  }
  .preview-pane {
    height: 60vh;
  }
}

/* Buttons */
.btn {
  border: 2px solid var(--border);
  background: var(--card);
  border-radius: 999px;
  padding: 8px 16px;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  color: var(--ink);
}

.btn:hover {
  border-color: var(--ink);
}

.btn-primary {
  background: var(--brand-red);
  border-color: var(--brand-red);
  color: #fff;
}

.btn-danger {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Section editor */
.section-card {
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: 20px;
  padding: 18px 20px;
  margin-bottom: 18px;
}

.section-card h2 {
  margin: 0 0 14px;
  font-size: 16px;
}

.field-group {
  margin-bottom: 12px;
}

.field-group label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 4px;
}

.field-group input,
.field-group textarea {
  width: 100%;
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 8px 12px;
  font-size: 14px;
  font-family: inherit;
  background: var(--bg);
}

.field-group input:focus,
.field-group textarea:focus {
  outline: none;
  border-color: var(--brand-red);
}

.list-item {
  border: 1px dashed var(--border);
  border-radius: 14px;
  padding: 12px;
  margin-bottom: 10px;
  position: relative;
}

.list-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.list-item-header span {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
}

.remove-btn {
  border: none;
  background: none;
  color: var(--brand-red);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.add-btn {
  border: 2px dashed var(--border);
  background: none;
  border-radius: 12px;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  cursor: pointer;
  width: 100%;
}

.add-btn:hover {
  border-color: var(--brand-green);
  color: var(--brand-green);
}

.loading {
  color: var(--muted);
  text-align: center;
  margin-top: 40px;
}

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  z-index: 50;
}

.toast.error {
  background: var(--brand-red);
}


.file-field .file-preview {
    margin-bottom: 8px;
}

.file-field .file-preview a {
    font-size: 13px;
    font-weight: 700;
    color: var(--brand-green);
    word-break: break-all;
}

.file-field .file-empty {
    font-size: 13px;
    color: var(--muted);
}