/* =====================
   CSS Variables / Theme
   ===================== */
:root {
  --bg: #0d1117;
  --bg2: #161b22;
  --bg3: #21262d;
  --border: #30363d;
  --text: #e6edf3;
  --text2: #8b949e;
  --accent: #58a6ff;
  --accent-hover: #79b8ff;
  --danger: #f85149;
  --success: #3fb950;
  --warning: #d29922;
  --radius: 8px;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body.light {
  --bg: #ffffff;
  --bg2: #f6f8fa;
  --bg3: #eaeef2;
  --border: #d0d7de;
  --text: #1f2328;
  --text2: #636c76;
  --accent: #0969da;
  --accent-hover: #0550ae;
}

/* =====================
   Reset & Base
   ===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  min-height: 100vh;
  transition: background 0.2s, color 0.2s;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

button {
  cursor: pointer;
  font-family: inherit;
  font-size: 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.4rem 0.9rem;
  background: var(--bg3);
  color: var(--text);
  transition: background 0.15s, border-color 0.15s;
}
button:hover { background: var(--border); }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

.btn-secondary {
  background: transparent;
  color: var(--text2);
}

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

.hidden { display: none !important; }

/* =====================
   Header
   ===================== */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  font-family: var(--font-mono);
  text-decoration: none;
}
.logo span { color: var(--accent); }

nav { display: flex; gap: 0.5rem; align-items: center; }

#btn-theme {
  background: transparent;
  border: none;
  font-size: 1.2rem;
  padding: 0.3rem 0.5rem;
}

/* =====================
   Views
   ===================== */
.view {
  max-width: 1000px;
  margin: 2rem auto;
  padding: 0 1rem;
}

/* =====================
   Editor
   ===================== */
.editor-top {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

#input-title, #edit-title {
  width: 100%;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg2);
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 600;
  outline: none;
  transition: border-color 0.15s;
}
#input-title:focus, #edit-title:focus { border-color: var(--accent); }

.editor-meta {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  flex-wrap: wrap;
}

.slug-wrap {
  display: flex;
  align-items: center;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  flex: 1;
  min-width: 220px;
}

.slug-prefix {
  padding: 0.4rem 0.6rem;
  color: var(--text2);
  font-size: 0.85rem;
  font-family: var(--font-mono);
  white-space: nowrap;
  border-right: 1px solid var(--border);
}

#input-slug {
  border: none;
  background: transparent;
  color: var(--text);
  padding: 0.4rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  outline: none;
  flex: 1;
  min-width: 80px;
}

.slug-status {
  padding: 0 0.6rem;
  font-size: 0.8rem;
  white-space: nowrap;
}
.slug-status.ok { color: var(--success); }
.slug-status.taken { color: var(--danger); }
.slug-status.invalid { color: var(--warning); }

select {
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg2);
  color: var(--text);
  font-size: 0.875rem;
  outline: none;
  cursor: pointer;
}

#editor-wrap, #edit-editor-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

/* CodeMirror overrides */
.CodeMirror {
  height: 480px;
  font-family: var(--font-mono) !important;
  font-size: 0.9rem;
  line-height: 1.6;
}

body.light .CodeMirror {
  background: #fff;
  color: #24292f;
}

.editor-bottom {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-top: 0.75rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.editor-actions { display: flex; gap: 0.5rem; align-items: center; }

/* =====================
   File attachments
   ===================== */
.attach-area { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }

.btn-attach {
  display: inline-block;
  cursor: pointer;
  padding: 0.4rem 0.9rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text2);
  font-size: 0.875rem;
  transition: border-color 0.15s, color 0.15s;
}
.btn-attach:hover { border-color: var(--accent); color: var(--accent); }

.file-list { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.file-chip {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0.2rem 0.6rem;
  font-size: 0.8rem;
}
.file-chip button {
  background: none;
  border: none;
  padding: 0;
  color: var(--text2);
  font-size: 0.8rem;
  line-height: 1;
}
.file-chip button:hover { color: var(--danger); }

/* =====================
   Paste view
   ===================== */
.paste-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.paste-info h1 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.paste-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text2);
}

.badge {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0.15rem 0.6rem;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--accent);
}

.paste-actions { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.paste-actions a {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg3);
  color: var(--text);
  font-size: 0.875rem;
  text-decoration: none;
  transition: background 0.15s;
}
.paste-actions a:hover { background: var(--border); }

/* CodeMirror read-only viewer — removed, using hljs pre/code instead */

#paste-content-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg2);
}

#paste-content-wrap pre {
  margin: 0;
  padding: 0;
  overflow-x: auto;
  background: transparent;
}

#paste-content-wrap code.hljs,
#paste-content-wrap code {
  display: block;
  font-family: var(--font-mono) !important;
  font-size: 0.875rem;
  line-height: 1.6;
  padding: 0;
  background: transparent !important;
  white-space: pre;
}

/* Line numbers table layout */
.code-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
}

.code-table td {
  padding: 0;
  vertical-align: top;
  border: none;
}

.line-nums {
  width: 1px;
  white-space: nowrap;
  text-align: right;
  padding: 0.8rem 0.75rem 0.8rem 1rem;
  color: var(--text2);
  user-select: none;
  border-right: 1px solid var(--border);
  background: var(--bg3);
  font-size: 0.8rem;
  line-height: 1.6;
}

.line-nums span {
  display: block;
  line-height: 1.6;
}

.code-body {
  padding: 0.8rem 1rem;
  width: 100%;
  overflow-x: auto;
}

.code-body code {
  font-family: var(--font-mono) !important;
  font-size: 0.875rem;
  line-height: 1.6;
  background: transparent !important;
  display: block;
  white-space: pre;
}

/* =====================
   Attachments
   ===================== */
.attachments-section {
  margin-top: 1.5rem;
  padding: 1rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.attachments-section h3 {
  font-size: 0.9rem;
  color: var(--text2);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

#attachments-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.att-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  background: var(--bg3);
  border-radius: var(--radius);
  gap: 0.5rem;
}

.att-info { display: flex; align-items: center; gap: 0.5rem; flex: 1; min-width: 0; }
.att-name { font-size: 0.875rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.att-size { font-size: 0.78rem; color: var(--text2); white-space: nowrap; }
.att-actions { display: flex; gap: 0.4rem; flex-shrink: 0; }

/* =====================
   Toast
   ===================== */
.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.7rem 1.2rem;
  font-size: 0.875rem;
  z-index: 9999;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  animation: slideIn 0.2s ease;
}
.toast.success { border-color: var(--success); color: var(--success); }
.toast.error { border-color: var(--danger); color: var(--danger); }

@keyframes slideIn {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* =====================
   Token banner (inline, non-blocking)
   ===================== */
.token-banner {
  background: var(--bg2);
  border-bottom: 2px solid var(--accent);
  padding: 0.6rem 1.5rem;
}

.token-banner-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  font-size: 0.875rem;
}

.token-banner code {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent);
  background: var(--bg3);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.btn-copy-token {
  padding: 0.25rem 0.6rem;
  font-size: 0.8rem;
}

.token-hint {
  color: var(--text2);
  font-size: 0.8rem;
}

.btn-dismiss {
  margin-left: auto;
  background: transparent;
  border: none;
  color: var(--text2);
  padding: 0.2rem 0.4rem;
  font-size: 0.9rem;
}

/* =====================
   Responsive
   ===================== */
@media (max-width: 600px) {
  .view { margin: 1rem auto; }
  .paste-header { flex-direction: column; }
  .editor-meta { flex-direction: column; align-items: stretch; }
  .slug-wrap { min-width: 0; }
  .CodeMirror { height: 340px; }
}