:root {
  --paper-bg: #f8f4ee;
  --paper-surface: #fdfaf6;
  --paper-border: #e2d9cc;
  --paper-muted: #a8998c;
  --paper-text: #2c2420;
  --paper-secondary: #6b5f56;
  --paper-accent: #8b5e3c;
  --paper-code-bg: #ede8e0;
  --paper-code-border: #d5ccc2;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: radial-gradient(circle at 5% 10%, #fefcf8 0%, var(--paper-bg) 35%, #efe7dc 100%);
  color: var(--paper-text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.page-shell {
  min-height: 100dvh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 24px;
}

.page-card {
  width: min(900px, 100%);
  background: var(--paper-surface);
  border: 1px solid var(--paper-border);
  border-radius: 18px;
  box-shadow: 0 18px 48px rgba(63, 38, 16, 0.1);
  overflow: hidden;
}

.note-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--paper-border);
  background: linear-gradient(180deg, #fefbf7 0%, var(--paper-surface) 100%);
}

.brand {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-muted);
  font-weight: 600;
}

.titlebar {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.titlebar-icon {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 1px solid var(--paper-border);
  background: #fff;
}

.note-header h1 {
  margin: 8px 0 0;
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  line-height: 1.25;
  color: var(--paper-text);
}

.meta {
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--paper-muted);
}

.paper-preview {
  background: var(--paper-surface);
  color: var(--paper-text);
  font-family: "Lora", "Georgia", serif;
  font-size: 16.5px;
  line-height: 1.75;
  max-width: 680px;
  margin: 0 auto;
  padding: 28px 26px 36px;
  min-height: 240px;
}

.paper-preview h1,
.paper-preview h2,
.paper-preview h3,
.paper-preview h4,
.paper-preview h5,
.paper-preview h6 {
  font-family: "Inter", sans-serif;
  font-weight: 600;
  color: var(--paper-text);
  line-height: 1.3;
  margin-top: 1.75em;
  margin-bottom: 0.6em;
}

.paper-preview h1 {
  font-size: 2em;
  border-bottom: 1px solid var(--paper-border);
  padding-bottom: 0.3em;
}

.paper-preview h2 {
  font-size: 1.5em;
}

.paper-preview h3 {
  font-size: 1.25em;
}

.paper-preview p {
  margin-bottom: 1.1em;
}

.paper-preview strong {
  font-weight: 600;
  color: var(--paper-text);
}

.paper-preview a {
  color: var(--paper-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.paper-preview ul,
.paper-preview ol {
  padding-left: 1.6em;
  margin-bottom: 1em;
}

.paper-preview li {
  margin-bottom: 0.35em;
}

.paper-preview blockquote {
  border-left: 3px solid var(--paper-accent);
  background: var(--paper-code-bg);
  margin: 1.2em 0;
  padding: 0.8em 1.2em;
  border-radius: 0 4px 4px 0;
  color: var(--paper-secondary);
  font-style: italic;
}

.paper-preview code {
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 0.875em;
  background: var(--paper-code-bg);
  border: 1px solid var(--paper-code-border);
  padding: 0.15em 0.4em;
  border-radius: 3px;
  color: #b5460f;
}

.paper-preview pre {
  background: #282c34;
  border-radius: 8px;
  margin: 1.2em 0;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.paper-preview pre code {
  display: block;
  font-size: 0.875em;
  line-height: 1.6;
  padding: 1.1em 1.3em;
  background: transparent;
  border: none;
  color: #abb2bf;
  overflow-x: auto;
  white-space: pre;
}

.paper-preview table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.2em 0;
  font-family: "Inter", sans-serif;
  font-size: 0.9em;
}

.paper-preview th {
  background: var(--paper-code-bg);
  font-weight: 600;
  text-align: left;
  padding: 0.6em 0.9em;
  border-bottom: 2px solid var(--paper-border);
}

.paper-preview td {
  padding: 0.55em 0.9em;
  border-bottom: 1px solid var(--paper-border);
}

.paper-preview img {
  max-width: 100%;
  border-radius: 6px;
  margin: 0.8em 0;
}

.status-block {
  max-width: 680px;
  margin: 0 auto;
  padding: 30px 26px 38px;
  min-height: 240px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
}

.status-title {
  margin: 0;
  font-family: "Inter", sans-serif;
  font-size: clamp(1.15rem, 2.4vw, 1.6rem);
  font-weight: 600;
  color: var(--paper-text);
}

.status-message {
  margin: 0;
  color: var(--paper-secondary);
  line-height: 1.7;
  font-size: 15px;
}

.home-block {
  max-width: 680px;
  margin: 0 auto;
  padding: 30px 26px 38px;
  min-height: 240px;
}

.home-kicker {
  margin: 0;
  color: var(--paper-muted);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
}

.home-copy {
  margin: 8px 0 14px;
  color: var(--paper-text);
  font-size: clamp(1.05rem, 2.1vw, 1.35rem);
  font-weight: 600;
}

.home-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}

.home-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--paper-border);
  background: #fffcf8;
  color: var(--paper-text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.home-input:focus {
  border-color: var(--paper-accent);
  box-shadow: 0 0 0 3px rgba(139, 94, 60, 0.14);
}

.home-btn {
  border: 1px solid var(--paper-accent);
  background: var(--paper-accent);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  border-radius: 10px;
  padding: 11px 15px;
  cursor: pointer;
  transition: transform 0.12s ease, opacity 0.15s ease;
}

.home-btn:hover {
  opacity: 0.92;
}

.home-btn:active {
  transform: translateY(1px);
}

.home-error {
  margin: 10px 0 0;
  color: #9b3f2f;
  font-size: 13px;
}

@media (max-width: 1024px) {
  .page-shell {
    padding: 16px;
  }

  .paper-preview {
    max-width: 100%;
    padding: 22px 20px 30px;
  }

  .status-block {
    max-width: 100%;
    padding: 24px 20px 30px;
  }

  .home-block {
    max-width: 100%;
    padding: 24px 20px 30px;
  }
}

@media (max-width: 700px) {
  .page-shell {
    padding: 10px;
  }

  .page-card {
    border-radius: 14px;
  }

  .note-header {
    padding: 16px;
  }

  .paper-preview {
    font-size: 15.5px;
    line-height: 1.68;
    padding: 16px 14px 24px;
  }

  .status-block {
    padding: 18px 14px 24px;
    min-height: 180px;
  }

  .home-block {
    padding: 18px 14px 24px;
    min-height: 180px;
  }

  .home-form {
    grid-template-columns: 1fr;
  }

  .home-btn {
    width: 100%;
  }
}