:root {
  color-scheme: light;
  --bg: #f5f7f8;
  --surface: #ffffff;
  --surface-2: #eef3f2;
  --text: #18201f;
  --muted: #64706e;
  --line: #d9e0de;
  --accent: #236a63;
  --accent-strong: #154d48;
  --danger: #c1392b;
  --danger-soft: #fde9e6;
  --warn: #a86600;
  --warn-soft: #fff2d8;
  --ok: #237846;
  --ok-soft: #e5f4eb;
  --unknown: #58606b;
  --unknown-soft: #edf0f4;
  --shadow: 0 10px 28px rgba(33, 45, 44, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

button {
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  padding: 0 16px;
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  background: var(--accent-strong);
}

button.secondary {
  border: 1px solid var(--line);
  background: white;
  color: var(--text);
}

button.secondary:hover {
  background: var(--surface-2);
}

input,
select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  color: var(--text);
  padding: 8px 10px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.hidden {
  display: none !important;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-panel,
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.auth-panel {
  width: min(420px, 100%);
  display: grid;
  gap: 18px;
  padding: 28px;
}

.auth-panel h1 {
  font-size: 2rem;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.form-error {
  min-height: 20px;
  color: var(--danger);
  font-size: 0.9rem;
}

#main-view {
  width: min(1240px, 100%);
  margin: 0 auto;
  padding: 24px;
}

.topbar {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.topbar h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.05;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.user-chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: white;
  padding: 8px 12px;
  color: var(--muted);
  font-weight: 800;
}

.tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 16px 0;
}

.tabs button {
  flex: 0 0 auto;
  min-height: 38px;
  border: 1px solid var(--line);
  background: white;
  color: var(--muted);
}

.tabs button.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.flash {
  margin: 8px 0 16px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  background: white;
  padding: 12px 14px;
  color: var(--text);
}

.tab-page {
  display: none;
}

.tab-page.active {
  display: block;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 8px 0 22px;
}

.summary-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.summary-card strong {
  display: block;
  margin-top: 8px;
  font-size: 2rem;
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 20px 0 12px;
}

.item-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.item-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: var(--shadow);
  padding: 16px;
  display: grid;
  gap: 12px;
}

.item-card.compact-card {
  box-shadow: none;
}

.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.item-name {
  font-size: 1.1rem;
  font-weight: 850;
}

.item-meta {
  color: var(--muted);
  font-size: 0.86rem;
}

.status-badge {
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.8rem;
  font-weight: 850;
  white-space: nowrap;
}

.status-due {
  background: var(--danger-soft);
  color: var(--danger);
}

.status-soon {
  background: var(--warn-soft);
  color: var(--warn);
}

.status-ok {
  background: var(--ok-soft);
  color: var(--ok);
}

.status-unknown,
.status-disabled {
  background: var(--unknown-soft);
  color: var(--unknown);
}

.stock-line {
  display: grid;
  gap: 7px;
}

.stock-bar {
  height: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: #e7eceb;
}

.stock-fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: var(--accent);
}

.item-card[data-status="due"] .stock-fill {
  background: var(--danger);
}

.item-card[data-status="soon"] .stock-fill {
  background: var(--warn);
}

.item-card[data-status="ok"] .stock-fill {
  background: var(--ok);
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.metric {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfc;
  padding: 10px;
  min-width: 0;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 750;
}

.metric strong {
  display: block;
  margin-top: 3px;
  overflow-wrap: anywhere;
}

.forecast-note {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.45;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(280px, 420px) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.panel {
  padding: 18px;
  display: grid;
  gap: 14px;
}

.panel.wide {
  max-width: 980px;
}

.panel h2 {
  font-size: 1.25rem;
}

.panel h3 {
  font-size: 1rem;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

.checkbox-row input {
  width: 18px;
  min-height: 18px;
}

.button-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.small-button {
  min-height: 32px;
  padding: 0 10px;
  font-size: 0.86rem;
}

.help-text {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.event-list,
.user-list {
  display: grid;
  gap: 10px;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.admin-table th,
.admin-table td {
  padding: 6px 8px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  text-align: left;
  vertical-align: top;
}

.admin-table th {
  font-weight: 600;
  background: rgba(0, 0, 0, 0.03);
}

.admin-table td {
  word-break: break-word;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.list-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfc;
  padding: 12px;
}

.list-actions {
  display: grid;
  justify-items: end;
  gap: 8px;
  min-width: 96px;
}

.request-row {
  align-items: flex-start;
}

.request-body {
  width: 100%;
  display: grid;
  gap: 12px;
}

.request-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.comment-list {
  display: grid;
  gap: 8px;
}

.comment {
  border-left: 3px solid var(--line);
  padding: 7px 0 7px 10px;
}

.comment strong {
  font-size: 0.88rem;
}

.comment span {
  margin-left: 6px;
  color: var(--muted);
  font-size: 0.78rem;
}

.comment p {
  margin-top: 3px;
  color: var(--text);
}

.purchased-comment {
  border-left-color: var(--ok);
  background: var(--ok-soft);
  border-radius: 0 8px 8px 0;
  padding-right: 8px;
}

.comment-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 8px;
}

.list-row p {
  color: var(--muted);
  font-size: 0.86rem;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.settings-grid section {
  display: grid;
  gap: 12px;
}

@media (max-width: 960px) {
  #main-view {
    padding: 16px;
  }

  .summary-grid,
  .item-grid,
  .two-column,
  .settings-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .top-actions {
    justify-content: flex-start;
  }

  .metric-row {
    grid-template-columns: 1fr;
  }

  .request-head,
  .comment-form {
    grid-template-columns: 1fr;
    flex-direction: column;
  }
}

/* === tobuy v2 additions: PWA, mobile UX, anomalies, quiz === */

:root {
  --warn: #d97706;
  --warn-soft: #fef3c7;
  --danger: #b91c1c;
  --danger-soft: #fee2e2;
  --info: #1d4ed8;
  --info-soft: #dbeafe;
  --success: #047857;
  --success-soft: #d1fae5;
}

/* Dashboard toolbar with the quiz CTA */
.dashboard-toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  margin: 6px 0 14px;
  flex-wrap: wrap;
}

.primary-cta {
  background: linear-gradient(180deg, #2d8c83, #1f6a63);
  border: none;
  color: #fff;
  padding: 14px 22px;
  font-size: 16px;
  font-weight: 700;
  border-radius: 14px;
  box-shadow: 0 4px 14px rgba(31, 106, 99, 0.35);
  min-height: 52px;
}

/* Stale / pending / anomaly banner */
.stale-banner {
  background: var(--warn-soft);
  color: #7c2d12;
  border-left: 5px solid var(--warn);
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 12px;
  font-size: 14px;
}

/* Summary cards: extra statuses */
.summary-card.status-stale { background: var(--warn-soft); color: #7c2d12; }
.summary-card.status-pending { background: var(--info-soft); color: #1e3a8a; }

/* Card badge stack */
.badge-stack {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
}

.badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
  white-space: nowrap;
}

.badge-stale { background: var(--warn-soft); color: #7c2d12; }
.badge-pending { background: var(--info-soft); color: #1e3a8a; }
.badge-anomaly { background: var(--danger-soft); color: #7f1d1d; }

/* Card state emphasis */
.item-card[data-stale="true"] {
  border-left: 4px solid var(--warn);
  background: linear-gradient(180deg, #fffbeb, #ffffff);
}

.item-card[data-pending="true"] {
  box-shadow: 0 0 0 2px #93c5fd inset;
}

/* Quick actions row inside each card */
.quick-actions {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin-top: 12px;
}

.qa-button {
  min-height: 48px;
  padding: 10px 8px;
  font-size: 15px;
  border: 1px solid #d1d5db;
  background: #f9fafb;
  border-radius: 10px;
  font-weight: 600;
  color: #111827;
  cursor: pointer;
  transition: background 0.15s, transform 0.05s;
}

.qa-button:hover { background: #eef2ff; }
.qa-button:active { transform: scale(0.97); }

/* Inline inputs (qty/days form) */
.inline-inputs {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.inline-inputs input {
  flex: 1 1 80px;
  min-width: 70px;
}

.inline-inputs span {
  color: #6b7280;
  font-size: 14px;
}

.preview-text {
  font-size: 13px;
  color: #1f6a63;
  font-weight: 600;
}

.snapshot-line {
  font-size: 12px;
  color: #6b7280;
  font-style: italic;
  margin: 2px 0 0;
}

/* Dialogs (quick + quiz) */
dialog {
  border: none;
  border-radius: 16px;
  padding: 0;
  max-width: 92vw;
  width: 420px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
  color: inherit;
  background: #fff;
}

dialog::backdrop {
  background: rgba(15, 23, 42, 0.55);
}

.quick-dialog form,
.quiz-dialog form {
  padding: 22px 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.quick-dialog h3,
.quiz-dialog h3 {
  margin: 0 0 6px;
  font-size: 18px;
}

.dialog-item-name,
.quiz-question {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
}

.dialog-current {
  margin: 0;
  font-size: 14px;
  color: #6b7280;
}

/* Help tab language toggle */
.help-lang-toggle {
  margin-bottom: 14px;
}

.lang-button {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid #d1d5db;
  background: #fff;
  cursor: pointer;
  font-weight: 600;
}

.lang-button.active {
  background: #1f6a63;
  color: #fff;
  border-color: #1f6a63;
}

.help-lang h3 {
  margin-top: 18px;
  color: #1f6a63;
}

.help-lang ul,
.help-lang ol {
  padding-left: 20px;
  line-height: 1.6;
}

/* Flash tones */
.flash[data-tone="warn"] { background: var(--warn-soft); color: #7c2d12; }
.flash[data-tone="error"] { background: var(--danger-soft); color: #7f1d1d; }

/* Touch-friendly baseline */
@media (max-width: 600px) {
  button,
  input,
  select,
  textarea {
    font-size: 16px;
    min-height: 44px;
  }

  .small-button {
    min-height: 40px;
    padding: 6px 12px;
  }

  .item-card {
    padding: 14px 12px;
  }

  .quick-actions {
    gap: 6px;
  }

  .qa-button {
    padding: 12px 4px;
    font-size: 14px;
  }

  .primary-cta {
    width: 100%;
    padding: 16px;
  }

  .dashboard-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
  }

  .tabs button {
    flex: 0 0 auto;
  }
}

/* 그룹 합산 카드 */
.group-members {
  list-style: none;
  padding: 8px 0 0;
  margin: 6px 0 0;
  border-top: 1px dashed var(--line);
  font-size: 0.85rem;
  color: var(--muted);
}

.group-members li {
  padding: 2px 0;
}

.tab-divider {
  border: none;
  border-top: 1px solid var(--line);
  margin: 24px 0;
}

.small-button {
  padding: 4px 10px;
  font-size: 0.85rem;
}

.telegram-id-label {
  display: block;
  margin-top: 8px;
  font-size: 0.9rem;
  color: var(--muted);
}