@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  color-scheme: dark;
  --bg: #0e1116;
  --surface: #171b22;
  --surface-hover: #1d222b;
  --border: #262c37;
  --text: #e8ecf1;
  --text-dim: #8b93a7;
  --accent: #5eead4;
  --accent-dim: #2c3b3a;
  --warn: #f5c860;
  --danger: #f87171;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
}

button,
input,
textarea {
  font: inherit;
}
button {
  cursor: pointer;
  touch-action: manipulation;
}
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

#group-app {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 20px 72px;
  padding-left: max(20px, env(safe-area-inset-left));
  padding-right: max(20px, env(safe-area-inset-right));
  padding-bottom: max(72px, env(safe-area-inset-bottom));
}

.g-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.g-sidebar {
  position: sticky;
  top: 20px;
  min-width: 0;
}
.g-header {
  margin-bottom: 18px;
}
.g-eyebrow {
  margin: 0 0 7px;
  color: var(--accent);
  font:
    600 11px 'IBM Plex Mono',
    monospace;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}
.g-title {
  margin: 0;
  font:
    600 20px 'IBM Plex Mono',
    monospace;
  letter-spacing: 0.5px;
}
.g-title span {
  color: var(--accent);
}
.g-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
}
.g-groups {
  padding: 14px;
}
.g-panel-head,
.g-import-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}
.g-panel-title {
  font:
    600 12px 'IBM Plex Mono',
    monospace;
  letter-spacing: 0.7px;
  color: var(--text-dim);
  text-transform: uppercase;
}
.g-group-list {
  display: grid;
  gap: 7px;
}
.g-group-item {
  display: flex;
  align-items: center;
  gap: 9px;
  width: 100%;
  min-width: 0;
  min-height: 44px;
  padding: 11px 10px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: transparent;
  color: var(--text-dim);
  text-align: left;
}
.g-group-item.active {
  background: var(--accent-dim);
  border-color: #3d625d;
  color: var(--accent);
}
.g-group-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 7px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.75;
}
.g-group-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
}
.g-group-count {
  flex-shrink: 0;
  font:
    11px 'IBM Plex Mono',
    monospace;
  opacity: 0.7;
}
.g-main {
  min-width: 0;
}
.g-main-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}
.g-heading {
  min-width: 0;
}
.g-main h2 {
  margin: 0 0 6px;
  font-size: 22px;
  line-height: 1.3;
  overflow-wrap: anywhere;
}
.g-sub {
  margin: 0;
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.6;
}
.g-actions {
  display: flex;
  flex-shrink: 0;
  gap: 8px;
}
.g-btn {
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 12px;
  background: var(--surface);
  color: var(--text);
  font-size: 12px;
  font-weight: 600;
  transition:
    border-color 0.15s,
    background 0.15s;
}
.g-btn.primary {
  border-color: var(--accent);
  color: var(--accent);
}
.g-btn.ghost {
  color: var(--text-dim);
}
.g-btn.danger {
  color: var(--danger);
}
.g-add-group,
.g-update-group {
  flex-shrink: 0;
  width: 44px;
  padding: 0;
  font-size: 20px;
  line-height: 1;
}
.g-import {
  padding: 16px;
  margin-bottom: 18px;
}
.g-import-description {
  min-width: 0;
}
.g-import-title {
  display: block;
  margin-bottom: 3px;
  font-size: 13px;
  font-weight: 600;
}
#group-app textarea {
  display: block;
  width: 100%;
  min-height: 120px;
  resize: vertical;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #11151b;
  color: var(--text);
  font:
    13px/1.6 'IBM Plex Mono',
    monospace;
}
#group-app input[type='text'] {
  display: block;
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
}
#group-app textarea:focus,
#group-app input:focus {
  border-color: var(--accent);
}
#group-app textarea::placeholder,
#group-app input::placeholder {
  color: var(--text-dim);
}
.g-search {
  margin-bottom: 12px;
}
.g-cards {
  display: grid;
  gap: 10px;
}
.g-card {
  display: flex;
  align-items: center;
  min-width: 0;
  padding: 4px 8px 4px 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  transition:
    border-color 0.15s,
    background 0.15s;
}
.g-copy {
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 0;
  gap: 16px;
  padding: 10px 16px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  text-align: left;
}
.g-copy:focus-visible {
  outline-offset: -3px;
}
.g-ring {
  flex-shrink: 0;
}
.g-ring circle.track {
  stroke: var(--border);
}
.g-ring circle.progress {
  stroke: var(--accent);
}
.g-ring.warn circle.progress {
  stroke: var(--warn);
}
.g-ring.danger circle.progress {
  stroke: var(--danger);
}
.g-ring text {
  font:
    11px 'IBM Plex Mono',
    monospace;
  fill: var(--text-dim);
  text-anchor: middle;
  dominant-baseline: middle;
}
.g-info {
  flex: 1;
  min-width: 0;
}
.g-name {
  display: block;
  margin-bottom: 4px;
  color: var(--text-dim);
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.g-code {
  display: block;
  font:
    600 26px 'IBM Plex Mono',
    monospace;
  letter-spacing: 2px;
  white-space: nowrap;
}
.g-del {
  flex-shrink: 0;
  min-width: 44px;
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  padding: 6px;
  background: transparent;
  color: var(--text-dim);
  font-size: 18px;
  line-height: 1;
}
.g-empty {
  padding: 42px 20px;
  border: 1px dashed var(--border);
  border-radius: 12px;
  color: var(--text-dim);
  text-align: center;
  font-size: 13px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}
.g-empty b {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
  font-size: 14px;
}
.g-footnote {
  margin: 28px 0 0;
  color: var(--text-dim);
  font-size: 11px;
  line-height: 1.6;
  text-align: center;
}
#group-toast {
  position: fixed;
  bottom: calc(24px + env(safe-area-inset-bottom));
  left: 50%;
  max-width: calc(100% - 32px);
  width: max-content;
  transform: translateX(-50%) translateY(10px);
  padding: 12px 16px;
  border-radius: 8px;
  background: var(--accent);
  color: #0e1116;
  font:
    600 12px/1.5 'IBM Plex Mono',
    monospace;
  text-align: center;
  overflow-wrap: anywhere;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.2s,
    transform 0.2s;
  z-index: 5;
}
#group-toast.g-toast-show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (hover: hover) {
  .g-group-item:hover {
    background: var(--surface-hover);
    color: var(--text);
  }
  .g-group-item.active:hover {
    background: var(--accent-dim);
    color: var(--accent);
  }
  .g-btn:hover,
  .g-card:hover {
    background: var(--surface-hover);
    border-color: #3a4150;
  }
  .g-btn.primary:hover {
    background: var(--accent-dim);
    border-color: var(--accent);
  }
  .g-del:hover {
    background: rgba(248, 113, 113, 0.08);
    color: var(--danger);
  }
}

@media (max-width: 800px) {
  #group-app {
    padding-top: max(20px, env(safe-area-inset-top));
    padding-left: max(14px, env(safe-area-inset-left));
    padding-right: max(14px, env(safe-area-inset-right));
    padding-bottom: calc(40px + env(safe-area-inset-bottom));
  }
  .g-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }
  .g-sidebar {
    position: static;
  }
  .g-header {
    margin-bottom: 14px;
  }
  .g-groups {
    padding: 10px;
  }
  .g-panel-head {
    margin-bottom: 6px;
  }
  .g-group-list {
    display: flex;
    overflow-x: auto;
    padding: 4px 3px 8px;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
  }
  .g-group-item {
    flex: 0 0 auto;
    width: auto;
    max-width: min(260px, 85%);
  }
  .g-main-head {
    align-items: start;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
  }
  .g-heading {
    width: 100%;
  }
  .g-actions {
    width: 100%;
  }
  .g-actions .g-btn {
    flex: 1;
  }
  #group-app input[type='text'],
  #group-app textarea {
    font-size: 16px;
  }
  .g-import {
    padding: 12px;
    margin-bottom: 14px;
  }
  .g-empty {
    padding: 30px 16px;
  }
}

@media (max-width: 380px) {
  .g-copy {
    gap: 10px;
    padding: 10px;
  }
  .g-code {
    font-size: 23px;
    letter-spacing: 1px;
  }
  .g-main h2 {
    font-size: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
  }
}