:root {
  color-scheme: light;
  --bg: #0b1020;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-2: rgba(255, 255, 255, 0.12);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.68);
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 14px 60px rgba(0, 0, 0, 0.45);

  --good: #1db954;
  --ok: #f4c430;
  --bad: #ff5a5f;
  --miss: #9aa3b2;
  --accent: #7aa2ff;
  --col-project-w: 170px;
  --col-freq-w: 140px;
  --weekend-rgb: 80 200 220;

  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", Arial, "Noto Sans CJK SC", "Noto Sans", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(1200px 600px at 10% 10%, rgba(122, 162, 255, 0.35), transparent 55%),
    radial-gradient(900px 600px at 90% 20%, rgba(29, 185, 84, 0.18), transparent 60%),
    radial-gradient(1000px 700px at 50% 100%, rgba(244, 196, 48, 0.18), transparent 60%),
    var(--bg);
  color: var(--text);
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px);
  background: rgba(11, 16, 32, 0.72);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-title {
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand-subtitle {
  font-size: 12px;
  color: var(--muted);
}

.tabs {
  display: flex;
  gap: 8px;
  padding: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
}

.tab-btn {
  border: 0;
  background: transparent;
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
  color: var(--muted);
}

.tab-btn.is-active {
  background: rgba(122, 162, 255, 0.18);
  color: var(--text);
}

.spacer {
  flex: 1;
}

.main {
  flex: 1;
  padding: 16px 18px 28px;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.segmented {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.05);
}

.segmented-btn {
  border: 0;
  background: transparent;
  padding: 8px 12px;
  cursor: pointer;
  color: var(--muted);
}

.segmented-btn.is-active {
  background: rgba(122, 162, 255, 0.18);
  color: var(--text);
}

.date-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.icon-btn {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 6px 10px;
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
}

.ghost-btn {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 7px 12px;
  background: transparent;
  cursor: pointer;
  color: var(--muted);
}

.ghost-btn:hover,
.icon-btn:hover {
  border-color: rgba(122, 162, 255, 0.5);
  color: var(--text);
}

.primary-btn {
  border: 1px solid rgba(122, 162, 255, 0.6);
  background: rgba(122, 162, 255, 0.18);
  border-radius: 10px;
  padding: 8px 14px;
  cursor: pointer;
}

.danger-btn {
  border: 1px solid rgba(255, 90, 95, 0.6);
  background: rgba(255, 90, 95, 0.14);
  border-radius: 10px;
  padding: 8px 14px;
  cursor: pointer;
}

.file-btn {
  border: 1px dashed rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  padding: 8px 14px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}

.file-btn:hover {
  border-color: rgba(122, 162, 255, 0.55);
  color: var(--text);
}

.date-input {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 7px 10px;
}

.select {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 7px 10px;
  min-width: 180px;
}

.text-input {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 10px 12px;
  width: 100%;
}

.textarea {
  width: 100%;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 10px 12px;
  resize: vertical;
}

.save-state {
  font-size: 12px;
  color: var(--muted);
}

.grid-wrap {
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: auto;
  max-height: calc(100vh - 230px);
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  touch-action: pan-x pan-y;
  background: rgba(255, 255, 255, 0.04);
}

.grid-wrap #gridContainer {
  width: max-content;
  min-width: 100%;
}

.table {
  width: max-content;
  min-width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.table th,
.table td {
  padding: 10px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  vertical-align: middle;
  background: rgba(255, 255, 255, 0.02);
}

.table th:last-child,
.table td:last-child {
  border-right: 0;
}

.table thead th {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(11, 16, 32, 0.82);
  backdrop-filter: blur(14px);
}

.table thead th.is-weekend {
  background: linear-gradient(0deg, rgb(var(--weekend-rgb) / 0.14), rgb(var(--weekend-rgb) / 0.14)),
    rgba(11, 16, 32, 0.82);
}

.table td.is-weekend {
  background: linear-gradient(0deg, rgb(var(--weekend-rgb) / 0.05), rgb(var(--weekend-rgb) / 0.05)),
    rgba(255, 255, 255, 0.02);
}

.table td.is-weekend .cell-btn.is-weekend {
  background: rgb(var(--weekend-rgb) / 0.035);
  border-color: rgb(var(--weekend-rgb) / 0.22);
}

.table .sticky-col {
  position: sticky;
  left: 0;
  z-index: 4;
  background: rgba(11, 16, 32, 0.72);
}

.table .sticky-col.second {
  left: var(--col-project-w);
  z-index: 4;
}

.table .sticky-head {
  z-index: 6;
}

.col-project {
  width: var(--col-project-w);
  min-width: var(--col-project-w);
}

.col-freq {
  width: var(--col-freq-w);
  min-width: var(--col-freq-w);
}

.date-head {
  min-width: 110px;
  text-align: center;
  font-weight: 600;
}

.date-sub {
  display: block;
  margin-top: 2px;
  font-size: 11px;
  color: var(--muted);
  font-weight: 500;
}

.category-row td {
  background: rgba(255, 255, 255, 0.04);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
}

.cat-chinese {
  --cat-rgb: 122 162 255;
}

.cat-math {
  --cat-rgb: 29 185 84;
}

.cat-english {
  --cat-rgb: 244 196 48;
}

.cat-other {
  --cat-rgb: 255 90 95;
}

.table tr[class*="cat-"] td.sticky-col:not(.sticky-head) {
  background: linear-gradient(
      0deg,
      rgb(var(--cat-rgb, 255 255 255) / 0.12),
      rgb(var(--cat-rgb, 255 255 255) / 0.12)
    ),
    rgba(11, 16, 32, 0.72);
}

.table tr[class*="cat-"] td.sticky-col.col-project {
  border-left: 4px solid rgb(var(--cat-rgb, 255 255 255) / 0.9);
  padding-left: 10px;
}

.category-row[class*="cat-"] td {
  background: linear-gradient(
      0deg,
      rgb(var(--cat-rgb, 255 255 255) / 0.18),
      rgb(var(--cat-rgb, 255 255 255) / 0.18)
    ),
    rgba(255, 255, 255, 0.04);
}

.project-name {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.project-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgb(var(--cat-rgb, 255 255 255) / 0.9);
  box-shadow: 0 0 0 3px rgb(var(--cat-rgb, 255 255 255) / 0.18);
  flex: 0 0 auto;
  margin-top: 3px;
}

.project-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.project-qty {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.7);
}

.freq-main {
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
}

.freq-sub {
  margin-top: 3px;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.72);
  white-space: nowrap;
}

.project-link {
  background: transparent;
  border: 0;
  padding: 0;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  font-weight: 650;
}

.project-link:hover {
  color: var(--accent);
}

.table tr[class*="cat-"] .project-link:hover {
  color: rgb(var(--cat-rgb, 255 255 255) / 0.95);
}

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

.cell-btn {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 8px 8px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
}

.cell-btn:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.cell-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  padding: 4px 8px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.4px;
}

.cell-meta {
  display: inline-flex;
  gap: 6px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.75);
}

.status-satisfied .cell-tag {
  background: rgba(29, 185, 84, 0.22);
  border: 1px solid rgba(29, 185, 84, 0.5);
}

.status-ok .cell-tag {
  background: rgba(244, 196, 48, 0.22);
  border: 1px solid rgba(244, 196, 48, 0.5);
}

.status-unsatisfied .cell-tag {
  background: rgba(255, 90, 95, 0.18);
  border: 1px solid rgba(255, 90, 95, 0.55);
}

.status-missed .cell-tag {
  background: rgba(154, 163, 178, 0.2);
  border: 1px solid rgba(154, 163, 178, 0.45);
}

.status-empty .cell-tag {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.65);
}

.avg-row td {
  background: rgba(122, 162, 255, 0.06);
  font-weight: 650;
}

.avg-row td.is-weekend {
  background: linear-gradient(0deg, rgb(var(--weekend-rgb) / 0.05), rgb(var(--weekend-rgb) / 0.05)),
    rgba(122, 162, 255, 0.06);
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 50;
}

.overlay.is-hidden {
  display: none;
}

.login-card,
.editor-card {
  width: min(680px, 100%);
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(11, 16, 32, 0.92);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  padding: 18px;
}

.login-title {
  margin: 0 0 8px;
  font-size: 22px;
}

.login-row {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  align-items: center;
}

.login-row .text-input {
  flex: 1;
}

.error {
  min-height: 18px;
  margin-top: 10px;
  color: rgba(255, 90, 95, 0.9);
  font-size: 13px;
}

.tab-panel.is-hidden {
  display: none;
}

.stats-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 980px) {
  .stats-layout {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  :root {
    --col-project-w: 132px;
    --col-freq-w: 86px;
  }

  .topbar {
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px 12px;
  }

  .brand {
    order: 1;
    flex: 1 1 auto;
    flex-direction: row;
    align-items: baseline;
    gap: 10px;
  }

  .brand-title {
    font-size: 16px;
  }

  .brand-subtitle {
    font-size: 11px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .freq-main,
  .freq-sub {
    font-size: 10px;
  }

  .tabs {
    order: 3;
    width: 100%;
    justify-content: center;
    padding: 3px;
    gap: 6px;
  }

  .tab-btn {
    padding: 6px 10px;
    font-size: 14px;
  }

  #logoutBtn {
    order: 2;
    padding: 6px 10px;
  }

  .toolbar {
    justify-content: center;
    gap: 10px;
    margin-bottom: 10px;
  }

  .save-state {
    display: none;
  }

  .segmented-btn {
    padding: 6px 10px;
    font-size: 13px;
  }

  .date-nav {
    width: 100%;
    justify-content: center;
    gap: 8px;
  }

  .date-input {
    padding: 6px 8px;
  }

  .ghost-btn {
    padding: 6px 10px;
  }

  .icon-btn {
    padding: 6px 10px;
  }

  .main {
    padding: 12px 12px 22px;
  }

  .date-head {
    min-width: 92px;
  }

  .table th,
  .table td {
    padding: 8px 8px;
  }

  .grid-wrap {
    max-height: calc(100vh - 240px);
  }
}

.card {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  overflow: hidden;
}

.card-header {
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.card-title {
  margin: 0;
  font-size: 16px;
}

.card-body {
  padding: 14px 16px 16px;
}

.chart {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
}

.summary {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 10px;
}

.pill {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  font-size: 12px;
  color: var(--muted);
}

.list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

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

.editor-card {
  padding: 0;
  overflow: hidden;
}

.editor-header {
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.editor-title {
  font-weight: 750;
  font-size: 16px;
}

.editor-body {
  padding: 14px 16px 12px;
  display: grid;
  gap: 14px;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

@media (min-width: 520px) {
  .status-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.status-btn {
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  padding: 10px 10px;
  cursor: pointer;
  font-weight: 700;
}

.status-btn.is-selected {
  outline: 2px solid rgba(122, 162, 255, 0.7);
  outline-offset: 1px;
}

.status-btn.status-satisfied {
  border-color: rgba(29, 185, 84, 0.4);
}

.status-btn.status-ok {
  border-color: rgba(244, 196, 48, 0.45);
}

.status-btn.status-unsatisfied {
  border-color: rgba(255, 90, 95, 0.45);
}

.status-btn.status-missed {
  border-color: rgba(154, 163, 178, 0.5);
}

.field {
  display: grid;
  gap: 8px;
}

.field-label {
  font-size: 12px;
  color: var(--muted);
}

.subfield {
  margin-top: 12px;
}

.photo-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.photo-preview-wrap {
  margin-top: 10px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}

.photo-preview {
  width: 100%;
  max-height: 220px;
  object-fit: contain;
  display: block;
}

.photo-preview-wrap.is-hidden {
  display: none;
}

.editor-footer {
  padding: 12px 16px;
  display: flex;
  gap: 10px;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}