*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0d0d0d;
  --surface: #141414;
  --surface2: #1c1c1c;
  --border: #2a2a2a;
  --text: #e0e0e0;
  --muted: #666;
  --accent: #7c6af7;
  --accent-hover: #9485ff;
  --danger: #ff4545;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;
  --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 14px;
}

/* ── header ── */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 52px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 10;
}

.logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.new-paste-btn {
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: border-color .15s, color .15s;
}
.new-paste-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── editor page ── */
.editor-wrap {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 52px);
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.toolbar input[type="text"] {
  flex: 1;
  min-width: 180px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 7px 12px;
  border-radius: 6px;
  font-size: 13px;
  outline: none;
  transition: border-color .15s;
}
.toolbar input[type="text"]:focus { border-color: var(--accent); }

.toolbar select {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 13px;
  outline: none;
  cursor: pointer;
  transition: border-color .15s;
}
.toolbar select:focus { border-color: var(--accent); }

.toolbar input[type="password"] {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 7px 12px;
  border-radius: 6px;
  font-size: 13px;
  outline: none;
  width: 200px;
  transition: border-color .15s;
}
.toolbar input[type="password"]:focus { border-color: var(--accent); }

.burn-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
}
.burn-label input { accent-color: var(--danger); cursor: pointer; }

#submit-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 7px 20px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s;
  white-space: nowrap;
}
#submit-btn:hover:not(:disabled) { background: var(--accent-hover); }
#submit-btn:disabled { opacity: .5; cursor: default; }

#content {
  flex: 1;
  background: var(--bg);
  color: var(--text);
  border: none;
  outline: none;
  padding: 20px 24px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  resize: none;
  tab-size: 2;
}
#content::placeholder { color: var(--muted); }

/* ── view page ── */
.view-wrap {
  padding: 24px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.loading { color: var(--muted); padding: 40px 0; }

.paste-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
  gap: 12px;
  flex-wrap: wrap;
}

.paste-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.paste-title {
  font-size: 18px;
  font-weight: 600;
  margin-right: 4px;
}

.meta-tag {
  font-size: 12px;
  color: var(--muted);
  background: var(--surface2);
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.burn-tag {
  color: var(--danger);
  border-color: var(--danger);
}

.paste-actions {
  display: flex;
  gap: 8px;
}

.paste-actions button, .paste-actions a button {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  transition: border-color .15s, color .15s;
}
.paste-actions button:hover { border-color: var(--accent); color: var(--accent); }
.paste-actions a { text-decoration: none; }

.code-wrap {
  display: flex;
  flex-direction: column;
  background: #1a1b26;
  border-radius: 8px;
  border: 1px solid var(--border);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.65;
}

.code-row {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.gutter {
  display: flex;
  flex-direction: column;
  padding: 16px 12px;
  background: #14151f;
  border-right: 1px solid #2a2b3a;
  min-width: 48px;
  text-align: right;
  user-select: none;
}

.ln {
  color: #3d3f52;
  line-height: 1.65;
}

.code-wrap pre {
  flex: 1;
  overflow: auto;
  margin: 0;
  padding: 16px 20px;
}

.code-wrap pre code {
  background: transparent !important;
  padding: 0 !important;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

/* ── error ── */
.error-box {
  text-align: center;
  padding: 80px 24px;
  color: var(--muted);
}
.error-box h2 { font-size: 22px; color: var(--text); margin-bottom: 8px; }
.error-box p  { margin-bottom: 20px; }
.error-box a  { color: var(--accent); }

/* ── api box ── */
.api-box {
  margin-bottom: 12px;
}

.api-toggle {
  background: var(--surface2);
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: .05em;
  transition: color .15s, border-color .15s;
}
.api-toggle:hover { color: var(--text); border-color: var(--accent); }

.api-content {
  margin-top: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.api-token-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.api-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}

.api-token-row input {
  flex: 1;
  min-width: 200px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  outline: none;
  transition: border-color .15s;
}
.api-token-row input:focus { border-color: var(--accent); }

.api-token-row button {
  background: var(--surface2);
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 5px;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
  transition: color .15s, border-color .15s;
}
.api-token-row button:hover { color: var(--text); border-color: var(--accent); }

.api-docs { padding: 12px 14px; }

.api-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.api-snippet {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #9aa5b4;
  line-height: 1.7;
  overflow-x: auto;
  white-space: pre;
  margin: 0;
}

/* ── edit mode ── */
.code-wrap #edit-area {
  flex: 1;
  background: transparent;
  color: var(--text);
  border: none;
  outline: none;
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.65;
  resize: none;
  min-height: 300px;
  width: 100%;
  tab-size: 2;
}

.edit-bar {
  display: flex;
  gap: 8px;
  padding: 10px 16px;
  border-top: 1px solid var(--border);
  background: #14151f;
  width: 100%;
}

.edit-bar input[type="password"] {
  flex: 1;
  max-width: 240px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  outline: none;
  transition: border-color .15s;
}
.edit-bar input[type="password"]:focus { border-color: var(--accent); }

.edit-bar button {
  padding: 6px 18px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: opacity .15s;
}
.edit-bar button:first-child { background: var(--accent); color: #fff; }
.edit-bar button:last-child  { background: var(--surface2); color: var(--muted); border: 1px solid var(--border); }
.edit-bar button:hover:not(:disabled) { opacity: .85; }
.edit-bar button:disabled { opacity: .5; cursor: default; }

/* ── burn created screen ── */
.burn-created {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  height: calc(100vh - 52px);
  text-align: center;
  padding: 24px;
}

.burn-icon { font-size: 48px; }

.burn-created h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
}

.burn-created p {
  color: var(--muted);
  font-size: 14px;
  max-width: 420px;
}

.burn-link-row {
  display: flex;
  gap: 8px;
  width: 100%;
  max-width: 520px;
}

.burn-link-row input {
  flex: 1;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 14px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  outline: none;
}

.burn-link-row button {
  background: var(--danger);
  color: #fff;
  border: none;
  padding: 9px 18px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity .15s;
}
.burn-link-row button:hover { opacity: .85; }

.burn-new {
  color: var(--muted);
  font-size: 13px;
  text-decoration: none;
  margin-top: 4px;
}
.burn-new:hover { color: var(--text); }

/* ── header nav ── */
.header-nav {
  flex: 1;
  display: flex;
  gap: 4px;
  margin-left: 20px;
}

.nav-link {
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  padding: 5px 12px;
  border-radius: 5px;
  transition: color .15s, background .15s;
}
.nav-link:hover, .nav-link.active { color: var(--text); background: var(--surface2); }

/* ── paste list page ── */
.list-wrap {
  max-width: 860px;
  margin: 0 auto;
  padding: 28px 24px;
  width: 100%;
}

.list-header {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 20px;
}

.list-header h2 {
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.list-note {
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
}

.paste-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  text-decoration: none;
  color: var(--text);
  margin-bottom: 8px;
  transition: border-color .15s;
}
.paste-row:hover { border-color: var(--accent); }

.paste-row-main {
  display: flex;
  align-items: center;
  gap: 10px;
}

.paste-row-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.paste-row-lang {
  font-size: 11px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 2px 7px;
  border-radius: 4px;
}

.paste-row-meta {
  display: flex;
  gap: 14px;
  font-size: 12px;
  color: var(--muted);
}

.list-empty {
  color: var(--muted);
  padding: 40px 0;
  text-align: center;
}

/* ── header auth ── */
.header-auth {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-username {
  font-size: 13px;
  color: var(--muted);
}

.header-btn {
  font-size: 13px;
  padding: 5px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  cursor: pointer;
  text-decoration: none;
  transition: border-color .15s, color .15s;
}
.header-btn:hover { border-color: var(--accent); color: var(--accent); }
.header-btn.accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.header-btn.accent:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #fff; }

/* ── auth pages ── */
.auth-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  height: calc(100vh - 52px);
}

.auth-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 32px;
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.auth-box h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}

.auth-box input {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 12px;
  border-radius: 6px;
  font-size: 14px;
  outline: none;
  transition: border-color .15s;
}
.auth-box input:focus { border-color: var(--accent); }

.auth-box button {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 10px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s;
}
.auth-box button:hover:not(:disabled) { background: var(--accent-hover); }
.auth-box button:disabled { opacity: .5; cursor: default; }

.auth-error {
  background: rgba(255,69,69,.12);
  border: 1px solid rgba(255,69,69,.3);
  color: var(--danger);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
}

.auth-switch { font-size: 13px; color: var(--muted); text-align: center; }
.auth-switch a { color: var(--accent); text-decoration: none; }

/* ── lock screen ── */
.lock-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  height: calc(100vh - 52px);
  text-align: center;
  padding: 24px;
}

.lock-icon { font-size: 42px; }

.lock-wrap h2 { font-size: 20px; font-weight: 700; }
.lock-wrap p  { color: var(--muted); font-size: 14px; }

.lock-form {
  display: flex;
  gap: 8px;
  width: 100%;
  max-width: 340px;
}

.lock-form input {
  flex: 1;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 12px;
  border-radius: 6px;
  font-size: 14px;
  outline: none;
  transition: border-color .15s;
}
.lock-form input:focus { border-color: var(--accent); }

.lock-form button {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 9px 18px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s;
}
.lock-form button:hover:not(:disabled) { background: var(--accent-hover); }
.lock-form button:disabled { opacity: .5; cursor: default; }

.lock-error { color: var(--danger); font-size: 13px; }

/* ── danger button ── */
.danger-btn {
  background: transparent !important;
  color: var(--danger) !important;
  border-color: var(--danger) !important;
}
.danger-btn:hover { opacity: .8; }

/* ── scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }