:root {
  --bg: #0f1117;
  --panel: #161923;
  --panel-light: #1e2230;
  --border: #2a2f3f;
  --text: #e4e6eb;
  --text-dim: #8b8fa3;
  --accent: #5b8def;
  --accent-hover: #4a7de0;
  --critical: #ff4d6d;
  --error: #ff6b6b;
  --warning: #ffb84d;
  --info: #5bc0de;
  --debug: #7d8590;
  --shadow: rgba(0,0,0,0.35);
  --hover-overlay: rgba(255,255,255,0.04);
}

[data-theme="light"] {
  --bg: #f4f6fb;
  --panel: #ffffff;
  --panel-light: #f0f2f8;
  --border: #dde1eb;
  --text: #1c2030;
  --text-dim: #6b7086;
  --accent: #3f6fd8;
  --accent-hover: #3560c0;
  --critical: #e0294a;
  --error: #e5484d;
  --warning: #d98c17;
  --info: #1897b8;
  --debug: #6b7280;
  --shadow: rgba(30,40,80,0.08);
  --hover-overlay: rgba(15,23,42,0.045);
}

/* ---------- Modern-minimal design tokens: one consistent radius/spacing
   scale used everywhere instead of ad-hoc per-component values ---------- */
:root {
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
input[type="checkbox"], input[type="radio"] { accent-color: var(--accent); }

html, body { overflow-x: hidden; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Inter, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background-color 0.2s ease, color 0.2s ease;
  -webkit-font-smoothing: antialiased;
  touch-action: manipulation;
}

/* ---------- Login ---------- */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
  overflow: hidden;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

/* Slowly drifting blurred gradient blobs behind the login card */
.aurora {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.35;
}
[data-theme="light"] .blob { opacity: 0.25; }
.blob-1 {
  width: 420px; height: 420px;
  background: var(--accent);
  top: -120px; left: -100px;
  animation: drift1 16s ease-in-out infinite alternate;
}
.blob-2 {
  width: 380px; height: 380px;
  background: #3ddc84;
  bottom: -140px; right: -80px;
  animation: drift2 20s ease-in-out infinite alternate;
}
.blob-3 {
  width: 300px; height: 300px;
  background: var(--warning);
  top: 40%; left: 60%;
  animation: drift3 24s ease-in-out infinite alternate;
}
@keyframes drift1 { from { transform: translate(0,0); } to { transform: translate(60px, 40px); } }
@keyframes drift2 { from { transform: translate(0,0); } to { transform: translate(-50px, -30px); } }
@keyframes drift3 { from { transform: translate(0,0) scale(1); } to { transform: translate(-40px, 30px) scale(1.15); } }

.login-theme-toggle {
  position: fixed;
  top: calc(16px + env(safe-area-inset-top));
  right: calc(16px + env(safe-area-inset-right));
  z-index: 2;
  font-size: 20px;
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: 0 2px 10px var(--shadow);
}

.login-card {
  position: relative;
  z-index: 1;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 36px;
  width: 340px;
  max-width: 90vw;
  text-align: center;
  box-shadow: 0 20px 60px var(--shadow);
  animation: card-enter 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}
@keyframes card-enter {
  from { opacity: 0; transform: translateY(18px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.login-icon {
  font-size: 34px;
  margin-bottom: 4px;
  animation: icon-float 3s ease-in-out infinite;
}
@keyframes icon-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.login-card h1 { margin: 0 0 6px; font-size: 22px; font-weight: 700; letter-spacing: -0.3px; }
.login-card .subtitle { color: var(--text-dim); font-size: 13px; margin-bottom: 26px; }

.input-group { margin-bottom: 14px; }
.login-card input[type="text"],
.login-card input[type="password"] {
  width: 100%;
  padding: 13px 14px;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  background: var(--panel-light);
  color: var(--text);
  font-size: 16px; /* 16px minimum prevents iOS Safari auto-zoom on focus */
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.login-card input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(91,141,239,0.18);
}

.login-submit {
  width: 100%;
  padding: 13px;
  margin-top: 6px;
  border-radius: 10px;
  border: none;
  background: var(--accent);
  color: white;
  font-weight: 600;
  cursor: pointer;
  font-size: 15px;
  min-height: 44px; /* comfortable tap target on touch devices */
  transition: background-color 0.15s ease, transform 0.1s ease;
}
.login-submit:hover { background: var(--accent-hover); }
.login-submit:active { transform: scale(0.98); }

.flash {
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 13px;
  text-align: left;
}
.flash.error { background: rgba(255,77,109,0.15); color: var(--critical); }

.shake { animation: shake 0.4s ease; }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

@media (prefers-reduced-motion: reduce) {
  .blob, .login-icon, .login-card, .shake,
  .log-line, .pin-btn.bounce, .icon-btn.spin, .trace-children { animation: none !important; transition: none !important; }
}

/* ---------- App Layout ---------- */
.app { display: flex; height: 100vh; }

.sidebar {
  width: 300px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 22px 18px;
  flex-shrink: 0;
}
.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 22px;
}
.sidebar-header h2 { font-size: 15px; font-weight: 700; letter-spacing: -0.2px; margin: 0; }
.header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}
.icon-btn {
  background: none;
  border: none;
  font-size: 15px;
  cursor: pointer;
  padding: 6px 9px;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  line-height: 1;
  transition: background-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
}
.icon-btn:hover { background: var(--panel-light); color: var(--text); }
.icon-btn:active { transform: scale(0.92); }
.icon-btn.spin { animation: theme-flip 0.4s ease; }
@keyframes theme-flip {
  0%   { transform: rotate(0) scale(1); }
  50%  { transform: rotate(180deg) scale(0.7); }
  100% { transform: rotate(360deg) scale(1); }
}
.logout-link {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 18px;
  padding: 4px 8px;
  border-radius: 6px;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.logout-link:hover { background: var(--panel-light); color: var(--critical); }

.user-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.admin-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 12px;
  transition: opacity 0.15s ease;
}
.admin-link:hover { opacity: 0.75; text-decoration: underline; }

.sidebar-account-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.sidebar-text-link {
  display: block;
  font-size: 12.5px;
  color: var(--text-dim);
  text-decoration: none;
  padding: 7px 9px;
  border-radius: var(--radius-sm);
}
.sidebar-text-link:hover { background: var(--panel-light); color: var(--text); }
.logout-text-link:hover { color: var(--critical); }

.device-notice {
  font-size: 11.5px;
  padding: 8px 10px;
  border-radius: 8px;
  margin-bottom: 14px;
  background: rgba(255,184,77,0.12);
  color: var(--warning);
  border: 1px solid rgba(255,184,77,0.25);
}
.device-notice a { color: inherit; text-decoration: underline; }

.account-warning {
  background: rgba(255,77,109,0.12);
  color: var(--critical);
  border: 1px solid rgba(255,77,109,0.25);
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 13px;
}

.success-msg {
  color: #3ddc84;
  font-size: 12px;
  margin-top: 8px;
  min-height: 14px;
}

.no-access-msg {
  font-size: 12px;
  color: var(--text-dim);
  padding: 14px 10px;
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: 8px;
}

.path-list {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
  overflow-y: auto;
  flex: 1;
}
.path-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  margin-bottom: 3px;
  border: 1px solid transparent;
  position: relative;
  transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.08s ease;
}
.path-item:hover { background: var(--panel-light); }
.path-item:active { transform: scale(0.985); }
.path-item.active {
  background: rgba(91,141,239,0.1);
  border-color: var(--accent);
}
.path-item.active::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 20%;
  bottom: 20%;
  width: 3px;
  border-radius: 3px;
  background: var(--accent);
  animation: accent-bar-grow 0.2s ease;
}
@keyframes accent-bar-grow {
  from { transform: scaleY(0); }
  to   { transform: scaleY(1); }
}
.path-item .info { overflow: hidden; }
.path-item .name { font-weight: 600; font-size: 13px; }
.path-item .path { font-size: 11px; color: var(--text-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.path-item .remove-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 14px;
  padding: 4px;
  flex-shrink: 0;
}
.path-item .remove-btn:hover { color: var(--critical); }
.path-item .preconfigured-badge {
  font-size: 12px;
  opacity: 0.6;
  flex-shrink: 0;
}

.add-path-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.add-path-form input {
  padding: 9px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel-light);
  color: var(--text);
  font-size: 12px;
}
.add-path-form button {
  padding: 9px;
  border-radius: 6px;
  border: none;
  background: var(--accent);
  color: white;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
}
.error-msg { color: var(--critical); font-size: 12px; margin-top: 8px; min-height: 14px; }

/* ---------- Main ---------- */
.main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 26px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  flex-wrap: wrap;
  gap: 12px;
}
.toolbar-left { display: flex; align-items: baseline; gap: 12px; }
#currentFileName { font-weight: 700; font-size: 14.5px; letter-spacing: -0.1px; }
.file-meta { font-size: 12px; color: var(--text-dim); }

.toolbar-right { display: flex; align-items: center; gap: 8px; }
.toolbar-right input, .toolbar-right select {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--panel-light);
  color: var(--text);
  font-size: 12px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.toolbar-right input:focus, .toolbar-right select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(91,141,239,0.15);
}
.toolbar-right button {
  padding: 8px 13px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-size: 12px;
  transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.08s ease;
}
.toolbar-right button:hover:not(:disabled) { background: var(--hover-overlay); border-color: var(--accent); }
.toolbar-right button:active:not(:disabled) { transform: scale(0.96); }
.toolbar-right button:disabled { opacity: 0.45; cursor: not-allowed; }
.autorefresh-label { font-size: 12px; color: var(--text-dim); display: flex; align-items: center; gap: 4px; }
.toolbar-toggle {
  font-size: 12px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  user-select: none;
  padding: 0 4px;
  transition: color 0.15s ease;
}
.toolbar-toggle:hover { color: var(--text); }
.toolbar-toggle input { cursor: pointer; }

.log-wrapper { position: relative; flex: 1; overflow: hidden; display: flex; }
.log-container {
  flex: 1;
  overflow-y: auto;
  padding: 14px 0;
  font-family: 'Cascadia Code', 'Consolas', 'Monaco', monospace;
  font-size: 12.5px;
}
.jump-to-live {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  padding: 8px 16px;
  border-radius: 20px;
  border: none;
  background: var(--accent);
  color: white;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 14px var(--shadow);
  animation: jump-btn-enter 0.2s ease;
  z-index: 10;
}
.jump-to-live:hover { background: var(--accent-hover, var(--accent)); transform: translateX(-50%) scale(1.04); }
.jump-to-live:active { transform: translateX(-50%) scale(0.96); }
@keyframes jump-btn-enter {
  from { opacity: 0; transform: translateX(-50%) translateY(8px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}
.empty-state {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-dim);
  font-family: 'Segoe UI', sans-serif;
  font-size: 14px;
  animation: empty-state-fade 0.25s ease;
}
@keyframes empty-state-fade {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Skeleton loading placeholder ---------- */
.skeleton-wrap { padding: 10px 20px; }
.skeleton-line {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 0;
  opacity: 0;
  animation: skeleton-line-in 0.3s ease forwards;
}
@keyframes skeleton-line-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.skeleton-bar {
  height: 12px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--panel-light) 25%, var(--border) 50%, var(--panel-light) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.4s ease-in-out infinite;
}
@keyframes skeleton-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.skeleton-bar-ln { width: 34px; flex-shrink: 0; }
.skeleton-bar-badge { width: 50px; flex-shrink: 0; border-radius: 3px; }
.skeleton-bar-msg { flex-shrink: 0; }
.empty-state.loading::after {
  content: "";
  display: inline-block;
  width: 1em;
  text-align: left;
  animation: loading-dots 1.2s steps(4, end) infinite;
  overflow: hidden;
  vertical-align: bottom;
}
@keyframes loading-dots {
  0%   { content: ""; }
  25%  { content: "."; }
  50%  { content: ".."; }
  75%  { content: "..."; }
  100% { content: ""; }
}

.log-line {
  display: flex;
  padding: 5px 24px;
  border-left: 3px solid transparent;
  white-space: pre-wrap;
  word-break: break-all;
  transition: background-color 0.1s ease;
  animation: line-enter 0.18s ease;
}
@keyframes line-enter {
  from { opacity: 0; transform: translateY(3px); }
  to   { opacity: 1; transform: translateY(0); }
}
.log-line:hover { background: var(--hover-overlay); }
.log-line .ln {
  color: var(--text-dim);
  width: 50px;
  flex-shrink: 0;
  user-select: none;
  text-align: right;
  margin-right: 14px;
}
.log-line .badge {
  flex-shrink: 0;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  margin-right: 10px;
  height: fit-content;
  letter-spacing: 0.5px;
}
.log-line .ts { color: #6dd5a7; margin-right: 10px; flex-shrink: 0; }
.log-line .msg { flex: 1; }
.log-line .msg mark {
  background: #ffd54f;
  color: #000;
  padding: 0 1px;
  border-radius: 2px;
}
.log-line .line-action {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 12px;
  padding: 0 4px;
  opacity: 0;
  transition: opacity 0.1s ease;
}
.log-line:hover .line-action { opacity: 0.7; }
.log-line .line-action:hover { opacity: 1 !important; color: var(--accent); }
.log-line .pin-btn.pinned { opacity: 1; color: var(--warning, #ffb84d); }
.log-line .pin-btn.bounce { animation: pin-bounce 0.35s ease; }
@keyframes pin-bounce {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.4) rotate(-8deg); }
  70%  { transform: scale(0.92); }
  100% { transform: scale(1); }
}

.log-line.CRITICAL { border-left-color: var(--critical); background: rgba(255,77,109,0.06); }
.log-line.CRITICAL .badge { background: rgba(255,77,109,0.2); color: var(--critical); }
.log-line.ERROR { border-left-color: var(--error); background: rgba(255,107,107,0.05); }
.log-line.ERROR .badge { background: rgba(255,107,107,0.2); color: var(--error); }
.log-line.WARNING { border-left-color: var(--warning); }
.log-line.WARNING .badge { background: rgba(255,184,77,0.2); color: var(--warning); }
.log-line.INFO .badge { background: rgba(91,192,222,0.2); color: var(--info); }
.log-line.DEBUG .badge { background: rgba(125,133,144,0.2); color: var(--debug); }
.log-line.DEFAULT .badge { background: rgba(255,255,255,0.08); color: var(--text-dim); }

.truncated-notice {
  text-align: center;
  padding: 10px;
  color: var(--text-dim);
  font-family: 'Segoe UI', sans-serif;
  font-size: 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 6px;
}

/* ---------- Admin Panel ---------- */
.admin-app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 32px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.admin-header h1 { font-size: 17px; font-weight: 700; letter-spacing: -0.2px; margin: 0; }
.admin-header-right {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--text-dim);
}
.admin-nav-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}
.admin-nav-link:hover { text-decoration: underline; }

.admin-main {
  flex: 1;
  padding: 40px 32px;
  max-width: 1040px;
  width: 100%;
  margin: 0 auto;
}
.admin-section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 30px;
  margin-bottom: 20px;
  transition: border-color 0.2s ease;
}
.admin-section:hover { border-color: var(--text-dim); }
.admin-section h2 {
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: -0.1px;
  margin: 0 0 18px;
}
.section-hint {
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 400;
}

.create-user-form {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.create-user-form input[type="text"],
.create-user-form input[type="email"],
.create-user-form input[type="password"] {
  padding: 10px 13px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--panel-light);
  color: var(--text);
  font-size: 13px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.create-user-form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(91,141,239,0.15);
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-dim);
}
.create-user-form button {
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border: none;
  background: var(--accent);
  color: white;
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  transition: background-color 0.15s ease, transform 0.08s ease;
}
.create-user-form button:hover { background: var(--accent-hover, var(--accent)); }
.create-user-form button:active { transform: scale(0.96); }

.users-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.users-table th {
  text-align: left;
  color: var(--text-dim);
  font-weight: 600;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
.users-table tbody tr { transition: background-color 0.12s ease; }
.users-table tbody tr:hover { background: var(--hover-overlay); }
.users-table td {
  padding: 13px 12px;
  border-bottom: 1px solid var(--border);
}
.users-table .mono { font-family: 'Cascadia Code', 'Consolas', 'Monaco', monospace; color: var(--text-dim); font-size: 12px; }
.empty-cell { color: var(--text-dim); text-align: center; padding: 20px !important; }

.role-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
  display: inline-block;
  animation: badge-pop 0.2s ease;
}
@keyframes badge-pop {
  from { opacity: 0; transform: scale(0.8); }
  to   { opacity: 1; transform: scale(1); }
}
.role-badge.admin { background: rgba(91,141,239,0.2); color: var(--accent); }
.role-badge.user { background: rgba(255,255,255,0.08); color: var(--text-dim); }

.actions-cell { display: flex; gap: 6px; flex-wrap: wrap; }
.btn-small {
  padding: 6px 11px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-size: 11px;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.08s ease;
}
.btn-small:hover { background: var(--hover-overlay); border-color: var(--accent); color: var(--accent); }
.btn-small:active { transform: scale(0.94); }
.btn-small.btn-danger:hover { border-color: var(--critical); color: var(--critical); }

/* ---------- Modals ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  animation: overlay-fade 0.15s ease;
}
@keyframes overlay-fade {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.modal {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  width: 400px;
  max-width: 90vw;
  max-height: 80vh;
  overflow-y: auto;
  animation: modal-enter 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}
@keyframes modal-enter {
  from { opacity: 0; transform: translateY(12px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.modal h3 { margin: 0 0 6px; font-size: 16px; font-weight: 700; letter-spacing: -0.1px; }
.modal-subtitle { color: var(--text-dim); font-size: 12px; margin: 0 0 18px; }
.modal input[type="password"] {
  width: 100%;
  padding: 10px 13px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--panel-light);
  color: var(--text);
  font-size: 13px;
  margin-bottom: 8px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.modal input[type="password"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(91,141,239,0.15);
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}
.btn-primary, .btn-secondary {
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.08s ease;
}
.btn-primary:active, .btn-secondary:active { transform: scale(0.96); }
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-hover, var(--accent)); }
.btn-secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--hover-overlay); border-color: var(--text-dim); }

.permissions-checklist {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 300px;
  overflow-y: auto;
}
.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
}
.checklist-item:hover { background: var(--hover-overlay); }
.checklist-item input { margin-top: 3px; }
.checklist-item .name { font-weight: 600; }
.checklist-item .path { color: var(--text-dim); font-size: 11px; }

/* ---------- Live indicator ---------- */
.live-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  color: #3ddc84;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #3ddc84;
  box-shadow: 0 0 0 rgba(61,220,132,0.6);
  animation: live-pulse 2s infinite;
}
@keyframes live-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(61,220,132,0.5); }
  70%  { box-shadow: 0 0 0 6px rgba(61,220,132,0); }
  100% { box-shadow: 0 0 0 0 rgba(61,220,132,0); }
}

/* New line arriving via websocket gets a brief highlight fade-in */
.log-line.new-line {
  animation: line-enter 0.18s ease, new-line-fade 1.5s ease-out;
}
@keyframes new-line-fade {
  0%   { background-color: rgba(61,220,132,0.18); }
  100% { background-color: transparent; }
}

/* ---------- Mobile menu ---------- */
.mobile-menu-btn {
  display: none;
  position: fixed;
  top: calc(12px + env(safe-area-inset-top));
  left: calc(12px + env(safe-area-inset-left));
  z-index: 60;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 18px;
  padding: 10px 14px;
  min-width: 44px;
  min-height: 44px;
  border-radius: 8px;
  cursor: pointer;
  box-shadow: 0 2px 8px var(--shadow);
}
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 45;
}
.sidebar-overlay.visible { display: block; }

/* ---------- Responsive layout ---------- */
@media (max-width: 860px) {
  .mobile-menu-btn { display: block; }

  .app { position: relative; }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    height: 100dvh;
    width: 280px;
    max-width: 85vw;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    box-shadow: 4px 0 20px var(--shadow);
    padding-top: calc(16px + env(safe-area-inset-top));
    padding-left: calc(16px + env(safe-area-inset-left));
    padding-bottom: calc(16px + env(safe-area-inset-bottom));
  }
  .sidebar.open { transform: translateX(0); }

  .main { width: 100%; }

  .toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: calc(56px + env(safe-area-inset-top)) 14px 12px;
  }
  .toolbar-left {
    flex-wrap: wrap;
    gap: 8px;
  }
  .toolbar-right {
    flex-wrap: wrap;
    gap: 6px;
  }
  .toolbar-right input,
  .toolbar-right select,
  .toolbar-right button {
    flex: 1 1 auto;
    min-width: 0;
    font-size: 16px; /* prevents iOS Safari auto-zoom on focus */
    min-height: 40px;
  }

  .log-line {
    padding: 6px 12px;
    font-size: 11.5px;
  }
  .log-line .ln { width: 34px; margin-right: 8px; }
  .log-line .badge { font-size: 9px; padding: 1px 5px; margin-right: 6px; }
  .log-line .ts { display: block; width: 100%; margin: 2px 0 0; }
  .trace-toggle { padding-left: 40px; min-height: 32px; }
  .trace-children { margin-left: 40px; }

  .admin-main { padding: 16px; padding-bottom: calc(16px + env(safe-area-inset-bottom)); }
  .admin-header {
    padding: 14px 16px;
    padding-top: calc(14px + env(safe-area-inset-top));
    flex-wrap: wrap;
    gap: 8px;
  }
  .create-user-form { flex-direction: column; align-items: stretch; }
  .create-user-form input { font-size: 16px; min-height: 40px; }
  .users-table { font-size: 11.5px; }
  .users-table th, .users-table td { padding: 8px 6px; }
  .actions-cell { flex-direction: column; align-items: stretch; }
  .btn-small { min-height: 36px; }
}


@media (max-width: 480px) {
  .login-card { width: 90vw; padding: 28px; }
  .log-line .msg { word-break: break-word; }
}

/* ---------- Stack trace grouping ---------- */
.trace-group { display: block; }
.trace-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 20px 3px 64px;
  font-size: 11px;
  color: var(--text-dim);
  cursor: pointer;
  user-select: none;
  font-family: 'Segoe UI', sans-serif;
}
.trace-toggle:hover { color: var(--accent); background: var(--hover-overlay); }
.trace-toggle-icon { font-size: 9px; }
.trace-children {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.22s ease;
  border-left: 2px solid var(--border);
  margin-left: 64px;
}
.trace-children.expanded { grid-template-rows: 1fr; }
.trace-children-inner { overflow: hidden; min-height: 0; }
.log-line.trace-child-line {
  padding-left: 20px;
  opacity: 0.85;
}
.log-line.trace-child-line .ln { visibility: hidden; }

/* ---------- Load older lines ---------- */
.load-older {
  display: block;
  width: calc(100% - 40px);
  margin: 8px 20px 14px;
  padding: 10px;
  border-radius: 8px;
  border: 1px dashed var(--border);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font-size: 12px;
  font-family: 'Segoe UI', sans-serif;
  text-align: center;
}
.load-older:hover { background: var(--panel-light); }
.load-older.reached-start {
  color: var(--text-dim);
  cursor: default;
  border-style: solid;
}
.load-older.reached-start:hover { background: transparent; }

/* ---------- Floating selection-copy popup ---------- */
.selection-popup {
  position: absolute;
  display: none;
  z-index: 200;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 6px 20px var(--shadow);
  padding: 3px;
}
.selection-popup::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 6px 6px 0;
  border-style: solid;
  border-color: var(--panel) transparent transparent transparent;
}
.selection-copy-btn {
  background: none;
  border: none;
  color: var(--text);
  font-size: 12px;
  font-family: 'Segoe UI', sans-serif;
  padding: 6px 12px;
  cursor: pointer;
  border-radius: 6px;
  white-space: nowrap;
}
.selection-copy-btn:hover { background: var(--accent); color: white; }

/* ---------- Right-click context menu ---------- */
.line-context-menu {
  position: absolute;
  display: none;
  z-index: 250;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px var(--shadow);
  padding: 4px;
  min-width: 190px;
  animation: modal-enter 0.12s ease;
}
.line-context-menu button {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text);
  font-size: 12.5px;
  font-family: 'Segoe UI', sans-serif;
  padding: 8px 10px;
  border-radius: 5px;
  cursor: pointer;
}
.line-context-menu button:hover { background: var(--accent); color: white; }

/* ---------- Admin overview stats ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 14px;
}
.stat-card {
  background: var(--panel-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  text-align: center;
  transition: border-color 0.15s ease;
}
.stat-card:hover { border-color: var(--text-dim); }
.stat-value {
  font-family: var(--font-display, 'Segoe UI', sans-serif);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--accent);
}
.stat-value-error { color: var(--critical); }
.stat-label {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 4px;
}

/* ---------- Onboarding tour ---------- */
.tour-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 300;
  animation: overlay-fade 0.15s ease;
}
.tour-highlight {
  position: relative;
  z-index: 301;
  box-shadow: 0 0 0 4px var(--accent), 0 0 24px rgba(232,163,61,0.5);
  border-radius: 8px;
}
.tour-card {
  position: absolute;
  z-index: 302;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  width: 280px;
  max-width: 88vw;
  box-shadow: 0 12px 40px var(--shadow);
  animation: modal-enter 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.tour-card-step {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 6px;
}
.tour-card-title { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.tour-card-text { font-size: 12.5px; color: var(--text-dim); line-height: 1.5; margin-bottom: 14px; }
.tour-card-actions { display: flex; justify-content: flex-end; gap: 8px; }

/* ---------- Themed scrollbars (default OS scrollbars clash with the dark panel) ---------- */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background-color: var(--border);
  border-radius: 20px;
  border: 2px solid var(--panel);
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover { background-color: var(--text-dim); }

/* ---------- Elevation (separates sidebar/toolbar from the content behind them) ---------- */
.sidebar { box-shadow: 2px 0 16px var(--shadow); }
.toolbar { position: relative; z-index: 1; box-shadow: 0 2px 12px var(--shadow); }

/* ---------- Keyboard focus visibility (mouse users see hover states already;
   keyboard users need an equivalent affordance on the same interactive elements) ---------- */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}