/* ── variables & base ── */

:root {
  color-scheme: light;
  --bg: #f7f7f4;
  --panel: #ffffff;
  --ink: #20231f;
  --muted: #686f64;
  --line: #deded7;
  --accent: #245d5f;
  --accent-ink: #ffffff;
  --warn: #b85b14;
  --danger: #9d2b2b;
  --ok: #2f6b3f;
  --shadow: 0 14px 30px rgba(25, 34, 30, 0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}

button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

select, input, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  padding: 10px 12px;
}

/* ── layout: shell & sidebar ── */

.app-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 24px;
  border-right: 1px solid var(--line);
  background: #eceee6;
}

.main { padding: 28px; }

/* ── login ── */

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

.login-card {
  display: grid;
  width: min(420px, 100%);
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 24px;
  box-shadow: var(--shadow);
}

.login-card label {
  display: grid;
  gap: 8px;
}

/* ── brand & topbar ── */

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
}

.brand h1 { font-size: 18px; margin: 0; }
.brand p, .eyebrow, .section-header p { color: var(--muted); font-size: 13px; margin: 0; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.topbar h2 { font-size: 28px; margin: 0; }
.topbar p { margin: 0; }

/* ── user sidebar area ── */

.current-user {
  display: grid;
  gap: 8px;
}

.current-user span { color: var(--muted); font-size: 13px; }
.current-user strong { font-size: 16px; }

/* ── navigation ── */

.nav-stack {
  display: grid;
  gap: 8px;
}

.nav-item {
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--ink);
  padding: 11px 12px;
  text-align: left;
}

.nav-item.active {
  background: #ffffff;
  box-shadow: var(--shadow);
}

.sidebar-note {
  display: grid;
  gap: 6px;
  margin-top: auto;
  color: var(--muted);
  font-size: 13px;
}

.sidebar-note strong { color: var(--ink); }

/* ── buttons ── */

.primary-button, .ghost-button, .icon-button, .small-button, .danger-button {
  border: 1px solid transparent;
  border-radius: 7px;
  padding: 10px 14px;
}

.primary-button {
  background: var(--accent);
  color: var(--accent-ink);
}

.ghost-button, .small-button {
  border-color: var(--line);
  background: #fff;
  color: var(--ink);
}

.danger-button {
  border-color: #ecc4c4;
  background: #fff;
  color: var(--danger);
}

.icon-button {
  width: 34px;
  height: 34px;
  padding: 0;
  background: #fff;
  border-color: var(--line);
}

/* ── toolbar & filters ── */

.toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 180px;
  gap: 12px;
  margin-bottom: 18px;
}

/* ── paper grid ── */

.paper-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 14px;
}

.paper-card {
  display: grid;
  gap: 14px;
  min-height: 230px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 18px;
  box-shadow: var(--shadow);
}

.paper-card header {
  display: grid;
  gap: 8px;
}

.paper-card h3 { margin: 0; font-size: 18px; line-height: 1.35; }
.paper-card p { margin: 0; color: var(--muted); line-height: 1.5; }

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  gap: 10px;
}

/* ── chips ── */

.chip-row, .stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  background: #eef3ef;
  color: #2d4136;
  padding: 5px 10px;
  font-size: 12px;
}

.chip.warn { background: #fff0df; color: var(--warn); }
.chip.danger { background: #fae8e8; color: var(--danger); }
.chip.ok { background: #e6f3e9; color: var(--ok); }

/* ── detail view ── */

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: 16px;
  margin-top: 16px;
}

.detail-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-top: 18px;
}

.detail-title h3 { margin: 0; font-size: 26px; line-height: 1.25; }
.detail-title p { margin: 8px 0 0; color: var(--muted); }

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

/* ── panels & records ── */

.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 18px;
  box-shadow: var(--shadow);
}

.panel h3 { margin: 0 0 14px; font-size: 18px; }

.record-list {
  display: grid;
  gap: 10px;
}

.record {
  display: grid;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 12px;
}

.record strong { font-size: 14px; }
.record span, .record p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.45; }
.record a { color: var(--accent); overflow-wrap: anywhere; }

/* ── access / member management ── */

.member-directory {
  display: grid;
  gap: 14px;
  margin-bottom: 24px;
}

.member-table {
  display: grid;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 12px;
  box-shadow: var(--shadow);
}

.member-table-head, .member-table-row {
  display: grid;
  grid-template-columns: minmax(120px, 1.2fr) minmax(100px, 1fr) 90px 90px 72px;
  gap: 8px;
  align-items: center;
}

.member-table-head {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line);
}

.member-table-row { padding: 6px 0; }

.access-panel {
  display: grid;
  gap: 14px;
}

.access-card {
  display: grid;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 16px;
  box-shadow: var(--shadow);
}

.access-members {
  display: grid;
  gap: 8px;
}

.member-row {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) 140px 80px;
  gap: 8px;
  align-items: center;
}

.add-member-row {
  display: grid;
  grid-template-columns: minmax(140px, 1fr) 150px auto;
  gap: 8px;
}

.add-member-row.simple {
  grid-template-columns: minmax(180px, 1fr) auto;
}

/* ── dialogs ── */

dialog {
  width: min(560px, calc(100vw - 28px));
  border: 0;
  border-radius: 8px;
  padding: 0;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

dialog::backdrop { background: rgba(20, 24, 21, 0.45); }

.dialog-card {
  display: grid;
  gap: 14px;
  padding: 20px;
}

.dialog-card header, .dialog-card footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.dialog-card h3 { margin: 0; }
.dialog-card label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
}

.checkbox-row {
  display: flex !important;
  align-items: center;
}

.checkbox-row input { width: auto; }

/* ── drop zone ── */

.drop-zone {
  display: grid;
  gap: 8px;
  justify-items: center;
  border: 1px dashed #aeb8ac;
  border-radius: 8px;
  background: #f7faf5;
  padding: 18px;
  text-align: center;
}

.drop-zone strong { font-size: 15px; }
.drop-zone span { color: var(--muted); font-size: 13px; line-height: 1.45; }
.drop-zone.drag-over { border-color: var(--accent); background: #edf5f1; }

/* ── utility ── */

.hidden, .view.hidden { display: none !important; }

.section-header h3 { margin: 0; }
.section-header p { margin: 0; }

.form-note { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.45; }

.alert {
  margin-bottom: 14px;
  border: 1px solid #e3c586;
  border-radius: 7px;
  background: #fff8e5;
  color: #73500e;
  padding: 12px 14px;
}

.empty-state {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 30px;
  color: var(--muted);
  text-align: center;
}

/* ── responsive ── */

@media (max-width: 880px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { border-right: 0; border-bottom: 1px solid var(--line); }
  .toolbar, .detail-grid, .member-row, .add-member-row { grid-template-columns: 1fr; }
  .topbar, .detail-title { align-items: stretch; flex-direction: column; }
}