:root {
  /* Color palette from envii.dev */
  --color-zinc-100: oklch(96.7% 0.001 286.375);
  --color-zinc-200: oklch(92% 0.004 286.32);
  --color-zinc-300: oklch(87.1% 0.006 286.286);
  --color-zinc-400: oklch(70.5% 0.015 286.067);
  --color-zinc-500: oklch(55.2% 0.016 285.938);
  --color-zinc-600: oklch(44.2% 0.017 285.786);
  --color-zinc-700: oklch(37% 0.013 285.805);
  --color-zinc-800: oklch(27.4% 0.006 286.033);
  --color-zinc-900: oklch(21% 0.006 285.885);
  --color-zinc-950: oklch(14.1% 0.005 285.823);

  --color-emerald-400: oklch(76.5% 0.177 163.223);
  --color-emerald-500: oklch(69.6% 0.17 162.48);
  --color-yellow-400: oklch(85.2% 0.199 91.936);
  --color-yellow-500: oklch(79.5% 0.184 86.047);
  --color-amber-500: oklch(76.9% 0.188 70.08);
  --color-cyan-400: oklch(78.9% 0.154 211.53);

  /* Theme variables */
  --bg-primary: var(--color-zinc-950);
  --bg-secondary: var(--color-zinc-900);
  --bg-tertiary: var(--color-zinc-800);
  --text-primary: var(--color-zinc-100);
  --text-secondary: var(--color-zinc-400);
  --text-muted: var(--color-zinc-500);
  --border-color: var(--color-zinc-700);
  --border-subtle: var(--color-zinc-800);
  --accent-primary: var(--color-emerald-500);
  --accent-primary-light: var(--color-emerald-400);
  --accent-success: var(--color-emerald-400);
  --accent-warning: var(--color-yellow-400);
  --accent-danger: #ef4444;
  --accent-info: var(--color-cyan-400);

  /* Fonts */
  --font-sans: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  --font-mono: "JetBrains Mono", "Fira Code", ui-monospace, monospace;

  /* Spacing */
  --spacing: 0.25rem;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 48px 48px;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: calc(var(--spacing) * 6);
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: calc(var(--spacing) * 8);
  flex-wrap: wrap;
  gap: calc(var(--spacing) * 4);
  padding-bottom: calc(var(--spacing) * 6);
  border-bottom: 1px solid var(--border-subtle);
}

header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--color-emerald-400);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing) * 4);
}

/* Buttons */
.btn {
  padding: calc(var(--spacing) * 2) calc(var(--spacing) * 4);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: var(--font-sans);
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.btn:hover {
  background: var(--bg-tertiary);
  border-color: var(--color-zinc-600);
}

.btn-primary {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: var(--color-zinc-950);
}

.btn-primary:hover {
  background: var(--accent-primary-light);
  border-color: var(--accent-primary-light);
}

/* Filters */
.filters {
  display: flex;
  gap: calc(var(--spacing) * 3);
  margin-bottom: calc(var(--spacing) * 6);
  flex-wrap: wrap;
}

.filters input,
.filters select {
  padding: calc(var(--spacing) * 3) calc(var(--spacing) * 4);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.875rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  transition: all 0.15s ease;
}

.filters input {
  flex: 1;
  min-width: 250px;
}

.filters input::placeholder {
  color: var(--text-muted);
}

.filters input:focus,
.filters select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px color-mix(in oklab, var(--accent-primary) 20%, transparent);
}

.filters select {
  cursor: pointer;
}

.filters select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* Table Container */
.table-container {
  background: var(--bg-secondary);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: calc(var(--spacing) * 3) calc(var(--spacing) * 4);
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

th {
  background: var(--bg-primary);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  transition: all 0.15s ease;
  position: sticky;
  top: 0;
}

th:hover {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

th .sort-icon {
  margin-left: calc(var(--spacing) * 1);
  opacity: 0.5;
  font-size: 0.625rem;
}

th.sorted-asc .sort-icon::after { content: '\25B2'; color: var(--accent-primary); opacity: 1; }
th.sorted-desc .sort-icon::after { content: '\25BC'; color: var(--accent-primary); opacity: 1; }

tbody tr {
  transition: background 0.15s ease;
}

tbody tr:hover {
  background: color-mix(in oklab, var(--bg-tertiary) 30%, transparent);
}

tbody tr:last-child td {
  border-bottom: none;
}

td {
  font-size: 0.875rem;
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

td strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Loading State */
.loading {
  text-align: center;
  padding: calc(var(--spacing) * 16) !important;
  color: var(--text-muted);
  font-family: var(--font-sans);
}

/* Protocol Colors */
.protocol-tcp {
  color: var(--accent-success);
  font-weight: 600;
}

.protocol-udp {
  color: var(--accent-info);
  font-weight: 600;
}

/* State Colors */
.state-listen {
  color: var(--accent-success);
  background: color-mix(in oklab, var(--accent-success) 10%, transparent);
  padding: calc(var(--spacing) * 1) calc(var(--spacing) * 2);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.state-established {
  color: var(--accent-primary);
  background: color-mix(in oklab, var(--accent-primary) 10%, transparent);
  padding: calc(var(--spacing) * 1) calc(var(--spacing) * 2);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.state-time_wait {
  color: var(--accent-warning);
  background: color-mix(in oklab, var(--accent-warning) 10%, transparent);
  padding: calc(var(--spacing) * 1) calc(var(--spacing) * 2);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.state-close_wait {
  color: var(--accent-warning);
  background: color-mix(in oklab, var(--accent-warning) 10%, transparent);
  padding: calc(var(--spacing) * 1) calc(var(--spacing) * 2);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.state-closed {
  color: var(--accent-danger);
  background: color-mix(in oklab, var(--accent-danger) 10%, transparent);
  padding: calc(var(--spacing) * 1) calc(var(--spacing) * 2);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.text-muted {
  color: var(--text-muted);
}

/* Source Cell */
.source-cell {
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Action Buttons */
.kill-btn {
  background: transparent;
  border: 1px solid color-mix(in oklab, var(--accent-danger) 50%, transparent);
  padding: calc(var(--spacing) * 1) calc(var(--spacing) * 2);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  color: var(--accent-danger);
  font-family: var(--font-sans);
  transition: all 0.15s ease;
}

.kill-btn:hover {
  background: var(--accent-danger);
  color: white;
  border-color: var(--accent-danger);
}

.expose-btn {
  background: transparent;
  border: 1px solid color-mix(in oklab, var(--accent-info) 50%, transparent);
  padding: calc(var(--spacing) * 1) calc(var(--spacing) * 2);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  color: var(--accent-info);
  font-family: var(--font-sans);
  transition: all 0.15s ease;
}

.expose-btn:hover {
  background: var(--accent-info);
  color: var(--color-zinc-950);
  border-color: var(--accent-info);
}

.stop-tunnel-btn {
  background: transparent;
  border: 1px solid color-mix(in oklab, var(--accent-danger) 50%, transparent);
  padding: calc(var(--spacing) * 1) calc(var(--spacing) * 2);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  color: var(--accent-danger);
  font-family: var(--font-sans);
  transition: all 0.15s ease;
}

.stop-tunnel-btn:hover {
  background: var(--accent-danger);
  color: white;
  border-color: var(--accent-danger);
}

.copy-url-btn {
  background: transparent;
  border: 1px solid color-mix(in oklab, var(--accent-primary) 50%, transparent);
  padding: calc(var(--spacing) * 1) calc(var(--spacing) * 2);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  color: var(--accent-primary);
  font-family: var(--font-sans);
  transition: all 0.15s ease;
}

.copy-url-btn:hover {
  background: var(--accent-primary);
  color: var(--color-zinc-950);
  border-color: var(--accent-primary);
}

.tunnel-url {
  display: inline-block;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  vertical-align: middle;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-info);
}

.actions-group {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing) * 2);
  flex-wrap: nowrap;
}

/* Logs Button */
.logs-btn {
  background: transparent;
  border: 1px solid color-mix(in oklab, var(--accent-warning) 50%, transparent);
  padding: calc(var(--spacing) * 1) calc(var(--spacing) * 2);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  color: var(--accent-warning);
  font-family: var(--font-sans);
  transition: all 0.15s ease;
}

.logs-btn:hover {
  background: var(--accent-warning);
  color: var(--color-zinc-950);
  border-color: var(--accent-warning);
}

/* Logs Panel */
.logs-panel {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  transition: height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  z-index: 100;
  display: flex;
  flex-direction: column;
}

.logs-panel.open {
  height: 45vh;
}

.logs-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: calc(var(--spacing) * 3) calc(var(--spacing) * 6);
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-primary);
}

.logs-actions {
  display: flex;
  gap: calc(var(--spacing) * 2);
}

.logs-actions .btn {
  padding: calc(var(--spacing) * 1) calc(var(--spacing) * 3);
  font-size: 0.75rem;
}

.logs-list {
  flex: 1;
  overflow-y: auto;
  padding: calc(var(--spacing) * 2) calc(var(--spacing) * 6);
}

.logs-empty {
  text-align: center;
  padding: calc(var(--spacing) * 12);
  color: var(--text-muted);
  font-size: 0.875rem;
}

.log-entry {
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  margin-bottom: calc(var(--spacing) * 2);
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.log-entry:hover {
  border-color: var(--border-color);
}

.log-summary {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing) * 3);
  padding: calc(var(--spacing) * 2) calc(var(--spacing) * 3);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.log-method {
  font-weight: 700;
  font-size: 0.6875rem;
  padding: calc(var(--spacing) * 0.5) calc(var(--spacing) * 2);
  border-radius: 3px;
  min-width: 52px;
  text-align: center;
}

.method-get { color: var(--accent-success); background: color-mix(in oklab, var(--accent-success) 10%, transparent); }
.method-post { color: var(--accent-info); background: color-mix(in oklab, var(--accent-info) 10%, transparent); }
.method-put { color: var(--accent-warning); background: color-mix(in oklab, var(--accent-warning) 10%, transparent); }
.method-patch { color: var(--accent-warning); background: color-mix(in oklab, var(--accent-warning) 10%, transparent); }
.method-delete { color: var(--accent-danger); background: color-mix(in oklab, var(--accent-danger) 10%, transparent); }

.log-path {
  color: var(--text-primary);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.log-status {
  font-weight: 600;
  font-size: 0.75rem;
  padding: calc(var(--spacing) * 0.5) calc(var(--spacing) * 2);
  border-radius: 3px;
}

.status-2xx { color: var(--accent-success); background: color-mix(in oklab, var(--accent-success) 10%, transparent); }
.status-3xx { color: var(--accent-info); background: color-mix(in oklab, var(--accent-info) 10%, transparent); }
.status-4xx { color: var(--accent-warning); background: color-mix(in oklab, var(--accent-warning) 10%, transparent); }
.status-5xx { color: var(--accent-danger); background: color-mix(in oklab, var(--accent-danger) 10%, transparent); }

.log-duration {
  color: var(--text-muted);
  font-size: 0.75rem;
  min-width: 50px;
  text-align: right;
}

.log-time {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.log-detail {
  display: none;
  padding: calc(var(--spacing) * 3);
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-primary);
}

.log-entry.expanded .log-detail {
  display: block;
}

.log-section {
  margin-bottom: calc(var(--spacing) * 3);
}

.log-section:last-child {
  margin-bottom: 0;
}

.log-section-title {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: calc(var(--spacing) * 1);
}

.log-body {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  padding: calc(var(--spacing) * 2) calc(var(--spacing) * 3);
  border-radius: 4px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 200px;
  overflow-y: auto;
  line-height: 1.5;
  margin: 0;
  border: 1px solid var(--border-subtle);
}

.header-key {
  color: var(--accent-info);
}

/* Footer */
footer {
  display: flex;
  justify-content: space-between;
  margin-top: calc(var(--spacing) * 6);
  padding: calc(var(--spacing) * 4) 0;
  color: var(--text-muted);
  font-size: 0.75rem;
  flex-wrap: wrap;
  gap: calc(var(--spacing) * 2);
  border-top: 1px solid var(--border-subtle);
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: calc(var(--spacing) * 6);
  right: calc(var(--spacing) * 6);
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: calc(var(--spacing) * 3) calc(var(--spacing) * 5);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  font-size: 0.875rem;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(8px);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-zinc-700);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-zinc-600);
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: calc(var(--spacing) * 4);
  }

  header {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
  }

  th, td {
    padding: calc(var(--spacing) * 2) calc(var(--spacing) * 3);
    font-size: 0.75rem;
  }

  .filters {
    flex-direction: column;
  }

  .filters input {
    min-width: 100%;
  }
}

/* Selection styling */
::selection {
  background: color-mix(in oklab, var(--accent-primary) 30%, transparent);
  color: var(--text-primary);
}

/* Focus visible styling */
:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}