@import url('https://fonts.googleapis.com/css2?family=Work+Sans:wght@400;500;600;700;800&display=swap');

/* ── Base ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-ui, 'Work Sans', sans-serif);
  background: var(--surface-page);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb {
  background: var(--surface-elevated-alt);
  border-radius: var(--radius-full-pill, 9999px);
}
::-webkit-scrollbar-track { background: transparent; }

a { color: var(--text-announcement); text-decoration: none; transition: color var(--duration-fast, 100ms) var(--ease-standard); }
a:hover { color: var(--text-primary); }

/* ── App shell ────────────────────────────────────────── */
.app-shell { display: flex; min-height: 100vh; }

.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 40;
}

.sidebar {
  width: 248px;
  flex-shrink: 0;
  background: var(--surface-card);
  padding: 20px 14px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 50;
  border-right: 1px solid rgba(255, 255, 255, 0.04);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 10px 22px;
}

.brand-mark {
  width: 40px; height: 40px;
  border-radius: var(--radius-comfortable, 8px);
  background: var(--surface-elevated);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 13px;
  color: var(--accent);
  flex-shrink: 0;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: contain;
  background: #fff;
  padding: 2px;
  flex-shrink: 0;
}

.brand-logo-lg {
  width: 88px;
  height: 88px;
  padding: 4px;
  margin-bottom: 20px;
}

.brand-mark-lg {
  width: 56px; height: 56px;
  font-size: 18px;
  margin-bottom: 20px;
}

.brand {
  font-family: var(--font-title, 'Work Sans', sans-serif);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.2;
}

.brand .accent { color: var(--accent); }

.brand-sub {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}

.sidebar-foot {
  padding: 16px 10px 4px;
  border-top: 1px solid var(--surface-elevated);
  margin-top: 12px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-full-pill, 9999px);
  font-size: 13px;
  color: var(--text-secondary);
  transition: background var(--duration-fast, 100ms) var(--ease-standard),
              color var(--duration-fast, 100ms) var(--ease-standard),
              transform var(--duration-fast, 100ms) var(--ease-standard);
}

.nav-item svg { width: 16px; height: 16px; flex-shrink: 0; opacity: 0.85; }

.nav-item:hover {
  background: var(--surface-elevated);
  color: var(--text-primary);
  text-decoration: none;
  transform: translateX(2px);
}

.nav-item.active {
  background: var(--surface-elevated-alt);
  color: var(--text-primary);
  font-weight: 700;
}

.nav-item.active svg { color: var(--accent); opacity: 1; }

.main-area { flex: 1; display: flex; flex-direction: column; min-width: 0; }

.topbar {
  height: 64px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 28px;
  border-bottom: 1px solid var(--surface-elevated);
  background: rgba(18, 18, 18, 0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 30;
}

.topbar-spacer { flex: 1; }

.topbar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  text-align: left;
}

.avatar {
  width: 36px; height: 36px;
  border-radius: var(--radius-circle, 50%);
  background: var(--surface-elevated);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
  color: var(--text-primary);
}

.topbar-user .name { font-size: 13px; font-weight: 700; line-height: 1.2; }
.topbar-user .role { font-size: 11px; color: var(--text-secondary); }

.icon-btn {
  width: 40px; height: 40px;
  border: none; border-radius: var(--radius-circle, 50%);
  background: var(--surface-elevated);
  color: var(--text-primary);
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background var(--duration-fast, 100ms) var(--ease-standard);
}

.icon-btn:hover { background: var(--surface-elevated-alt); }
.icon-btn svg { width: 18px; height: 18px; }

.mobile-only { display: none; }

.page-content {
  padding: 28px 32px 40px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  max-width: 1400px;
  width: 100%;
}

.staff-shell .page-content { max-width: 960px; }

/* ── Page header ──────────────────────────────────────── */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

.page-title {
  font-family: var(--font-title, 'Work Sans', sans-serif);
  font-weight: 800;
  font-size: 26px;
  margin: 0;
  letter-spacing: -0.02em;
}

.page-title-sm { font-size: 17px; }

.page-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 6px;
}

.breadcrumb {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: -10px;
}

.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--accent); text-decoration: none; }

.table-meta {
  font-size: 11px;
  color: var(--text-tertiary);
}

/* ── Buttons ──────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: none;
  border-radius: var(--radius-full-pill, 9999px);
  font-family: inherit;
  font-weight: 700;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: transform var(--duration-fast, 100ms) var(--ease-standard),
              background var(--duration-fast, 100ms) var(--ease-standard),
              box-shadow var(--duration-fast, 100ms) var(--ease-standard);
}

.btn svg { width: 14px; height: 14px; }

.btn:hover { transform: scale(1.04); text-decoration: none; }
.btn:active { transform: scale(0.98); }

.btn-sm { padding: 8px 16px; font-size: 11px; min-height: 36px; }
.btn-md { padding: 10px 20px; font-size: 12px; min-height: 40px; }
.btn-lg { padding: 12px 24px; font-size: 12px; min-height: 48px; width: 100%; }

.btn-primary {
  background: var(--accent);
  color: var(--text-on-accent);
  box-shadow: 0 4px 14px rgba(30, 215, 96, 0.25);
}

.btn-primary:hover { box-shadow: 0 6px 20px rgba(30, 215, 96, 0.35); }

.btn-secondary { background: var(--surface-elevated-alt); color: var(--text-primary); }
.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}
.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { color: var(--text-primary); background: var(--surface-elevated); }
.btn-danger { background: rgba(243, 114, 127, 0.16); color: var(--text-negative); }

.btn-group { display: inline-flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.btn-group form { display: inline; margin: 0; }

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

/* ── Forms ────────────────────────────────────────────── */
.input, .select, .textarea {
  width: 100%;
  background: var(--surface-elevated);
  color: var(--text-primary);
  border: none;
  font-family: inherit;
  font-size: 14px;
  box-shadow: var(--shadow-inset-border, rgb(18,18,18) 0px 1px 0px, rgb(124,124,124) 0px 0px 0px 1px inset);
  transition: box-shadow var(--duration-fast, 100ms) var(--ease-standard);
}

.input, .select {
  border-radius: var(--radius-full-pill, 9999px);
  padding: 12px 16px;
}

.input:focus, .select:focus, .textarea:focus {
  outline: none;
  box-shadow: var(--shadow-inset-border-focus, rgb(18,18,18) 0px 1px 0px, rgb(255,255,255) 0px 0px 0px 1px inset);
}

.textarea {
  border-radius: var(--radius-comfortable, 8px);
  min-height: 110px;
  resize: vertical;
  padding: 14px 16px;
}

.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23b3b3b3' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.form-grid { display: grid; gap: 14px; }
.form-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.form-row > * { flex: 1; min-width: 180px; }
.form-narrow { max-width: 640px; }
.form-wide { max-width: 760px; }

label.field-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 7px;
}

.checkbox-row, .checklist-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-primary);
  cursor: pointer;
}

.checklist {
  max-height: 260px;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 4px 2px;
}

input[type="checkbox"] {
  width: 16px; height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}

.filter-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
  padding: 18px 20px;
  background: var(--surface-card);
  border-radius: var(--radius-comfortable, 8px);
}

.filter-bar .input,
.filter-bar .select { min-width: 200px; }

/* ── Cards ────────────────────────────────────────────── */
.card {
  background: var(--surface-card);
  border-radius: var(--radius-comfortable, 8px);
  padding: 22px;
  transition: background var(--duration-fast, 100ms) var(--ease-standard);
}

.card-hover:hover { background: var(--surface-card-alt); }

.card-title {
  font-size: 14px;
  font-weight: 700;
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title svg { width: 16px; height: 16px; color: var(--accent); }

.card-section + .card-section {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--surface-elevated);
}

/* ── KPI grid ─────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.kpi-card {
  position: relative;
  overflow: hidden;
  padding: 20px 20px 18px;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
  opacity: 0.7;
}

.kpi-card.warning::before { background: var(--text-warning); }
.kpi-card.muted::before { background: var(--text-secondary); }
.kpi-card.negative::before { background: var(--text-negative); }

.kpi-card .label {
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 600;
  margin-bottom: 10px;
}

.kpi-card .value {
  font-size: 30px;
  font-weight: 800;
  font-family: var(--font-title, 'Work Sans', sans-serif);
  line-height: 1;
  letter-spacing: -0.02em;
}

.kpi-card .value-sm { font-size: 18px; line-height: 1.3; }

.kpi-card .delta {
  font-size: 11px;
  color: var(--accent);
  font-weight: 700;
  margin-top: 8px;
}

.kpi-card .delta-muted { color: var(--text-secondary); }

/* ── Split layout ─────────────────────────────────────── */
.split-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 20px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 20px;
  align-items: start;
}

.stack { display: flex; flex-direction: column; gap: 16px; }

/* ── Tables ───────────────────────────────────────────── */
.table-card {
  overflow: hidden;
  padding: 0;
  border-radius: var(--radius-comfortable, 8px);
}

.table-wrap { overflow-x: auto; }

.table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.table th, .table td {
  padding: 14px 20px;
  text-align: left;
  border-bottom: 1px solid var(--surface-elevated);
  font-size: 13px;
}

.table th {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.7px;
  background: var(--surface-card-alt);
  position: sticky;
  top: 0;
  z-index: 1;
}

.table tbody tr {
  transition: background var(--duration-fast, 100ms) var(--ease-standard);
}

.table tbody tr:hover td { background: rgba(255, 255, 255, 0.03); }

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

.table .cell-strong { font-weight: 600; color: var(--text-primary); }
.table .cell-muted { color: var(--text-secondary); }

.link-action {
  color: var(--text-announcement);
  font-weight: 600;
  font-size: 12px;
}

.link-action:hover { color: var(--accent); text-decoration: none; }

/* ── Badges ───────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-full-pill, 9999px);
  font-size: 10px;
  font-weight: 700;
  text-transform: capitalize;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.badge-accent { background: rgba(30, 215, 96, 0.16); color: var(--accent); }
.badge-warning { background: rgba(255, 164, 43, 0.16); color: var(--text-warning); }
.badge-muted { background: rgba(179, 179, 179, 0.12); color: var(--text-secondary); }
.badge-negative { background: rgba(243, 114, 127, 0.16); color: var(--text-negative); }
.badge-info { background: rgba(83, 157, 245, 0.16); color: var(--text-announcement); }

/* ── Login ────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
}

.login-hero {
  background: linear-gradient(145deg, var(--surface-card) 0%, var(--surface-page) 55%, #0a0a0a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
  border-right: 1px solid var(--surface-elevated);
}

.login-hero-inner { max-width: 420px; }

.login-hero h1 {
  font-family: var(--font-title, 'Work Sans', sans-serif);
  font-weight: 800;
  font-size: 36px;
  margin: 0 0 12px;
  letter-spacing: -0.03em;
}

.login-hero p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.6;
  margin: 0 0 28px;
}

.login-features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.login-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-secondary);
}

.login-features svg { width: 18px; height: 18px; color: var(--accent); flex-shrink: 0; }

.login-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  background: var(--surface-page);
}

.login-card {
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.login-title {
  font-family: var(--font-title, 'Work Sans', sans-serif);
  font-weight: 800;
  font-size: 22px;
  margin: 0;
}

.login-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: -8px;
}

.login-hint {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.login-demo {
  font-size: 11px;
  color: var(--text-tertiary);
  text-align: center;
  padding: 12px;
  background: var(--surface-card);
  border-radius: var(--radius-comfortable, 8px);
}

.alert-error {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: var(--text-negative);
  font-size: 13px;
  padding: 12px 14px;
  background: rgba(243, 114, 127, 0.1);
  border-radius: var(--radius-comfortable, 8px);
}

/* ── Toasts ───────────────────────────────────────────── */
.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  border-radius: var(--radius-comfortable, 8px);
  font-size: 13px;
  animation: slideIn 0.25s var(--ease-standard);
}

.toast svg { width: 16px; height: 16px; flex-shrink: 0; }
.toast-success { background: rgba(30, 215, 96, 0.12); color: var(--accent); border: 1px solid rgba(30, 215, 96, 0.2); }
.toast-error { background: rgba(243, 114, 127, 0.12); color: var(--text-negative); border: 1px solid rgba(243, 114, 127, 0.2); }

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Scanner ──────────────────────────────────────────── */
.scanner-layout { display: grid; gap: 20px; }

.scanner-box {
  background: var(--surface-card);
  border-radius: var(--radius-comfortable, 8px);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: center;
  box-shadow: var(--shadow-medium);
}

.scanner-box #reader {
  width: 100%;
  max-width: 420px;
  border-radius: var(--radius-comfortable, 8px);
  overflow: hidden;
  border: 2px dashed var(--surface-elevated-alt);
  min-height: 280px;
  background: #000;
}

.manual-form {
  width: 100%;
  max-width: 420px;
}

.scan-result {
  width: 100%;
  max-width: 420px;
  padding: 18px 20px;
  border-radius: var(--radius-comfortable, 8px);
  background: var(--surface-elevated);
  animation: slideIn 0.2s var(--ease-standard);
}

.scan-result[hidden] { display: none !important; }

.scan-result.success {
  border-left: 4px solid var(--accent);
  background: rgba(30, 215, 96, 0.06);
}

.scan-result.error {
  border-left: 4px solid var(--text-negative);
  background: rgba(243, 114, 127, 0.06);
}

.scan-result h3 { margin: 0 0 8px; font-size: 16px; }
.scan-result p { margin: 4px 0; font-size: 13px; color: var(--text-secondary); }

.mode-toggle {
  display: flex;
  width: 100%;
  max-width: 420px;
  background: var(--surface-elevated);
  border-radius: var(--radius-full-pill, 9999px);
  padding: 4px;
  gap: 4px;
}

.mode-toggle button {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  padding: 10px 12px;
  border-radius: var(--radius-full-pill, 9999px);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: background var(--duration-fast, 100ms) var(--ease-standard),
              color var(--duration-fast, 100ms) var(--ease-standard);
}

.mode-toggle button.active {
  background: var(--accent);
  color: var(--text-on-accent);
}

.mode-toggle button:not(.active):hover {
  color: var(--text-primary);
  background: var(--surface-elevated-alt);
}

/* ── QR preview ───────────────────────────────────────── */
.qr-card {
  text-align: center;
  align-self: start;
}

.qr-preview {
  width: 168px;
  height: 168px;
  background: #fff;
  border-radius: var(--radius-comfortable, 8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  margin: 0 auto;
  box-shadow: var(--shadow-medium);
}

.qr-preview img { width: 100%; height: 100%; object-fit: contain; }

.qr-caption {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 12px;
}

.qr-payload {
  font-size: 10px;
  color: var(--text-tertiary);
  margin-top: 8px;
  word-break: break-all;
}

/* ── Empty & activity ─────────────────────────────────── */
.empty-state {
  padding: 32px 24px;
  text-align: center;
  color: var(--text-secondary);
  border: 1px dashed var(--surface-elevated-alt);
  border-radius: var(--radius-comfortable, 8px);
  font-size: 14px;
}

.empty-state svg {
  width: 32px;
  height: 32px;
  color: var(--text-tertiary);
  margin-bottom: 12px;
  opacity: 0.6;
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  height: 160px;
  padding-top: 8px;
}

.chart-bar {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  justify-content: flex-end;
  height: 100%;
}

.chart-bar-fill {
  width: 100%;
  max-width: 80px;
  border-radius: 6px 6px 2px 2px;
  background: var(--accent);
  min-height: 10px;
  transition: height 0.4s var(--ease-standard);
}

.chart-bar-fill.warning { background: var(--text-warning); }

.chart-bar-label {
  font-size: 10px;
  color: var(--text-tertiary);
  text-align: center;
}

.activity-item { padding: 12px 0; border-top: 1px solid var(--surface-elevated); }
.activity-item:first-child { border-top: none; padding-top: 0; }
.activity-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.activity-who { font-size: 13px; font-weight: 700; }
.activity-meta { font-size: 11px; color: var(--text-secondary); margin-top: 4px; }

.stat-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  padding: 8px 0;
  border-bottom: 1px solid var(--surface-elevated);
}

.stat-row:last-child { border-bottom: none; }
.stat-row span:first-child { color: var(--text-secondary); }
.stat-row span:last-child { font-weight: 600; text-align: right; }

.hint-box {
  font-size: 12px;
  color: var(--text-tertiary);
  border: 1px dashed var(--surface-elevated-alt);
  border-radius: var(--radius-comfortable, 8px);
  padding: 14px 16px;
  line-height: 1.5;
}

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 1024px) {
  .split-grid, .detail-grid { grid-template-columns: 1fr; }
  .login-page { grid-template-columns: 1fr; }
  .login-hero { display: none; }
}

@media (max-width: 860px) {
  .mobile-only { display: inline-flex; }

  .sidebar {
    position: fixed;
    left: 0; top: 0;
    transform: translateX(-100%);
    transition: transform var(--duration-standard, 200ms) var(--ease-standard);
    box-shadow: var(--shadow-heavy);
  }

  .app-shell.sidebar-open .sidebar { transform: translateX(0); }
  .app-shell.sidebar-open .sidebar-overlay { display: block; }

  .page-content { padding: 20px 16px 32px; }
  .topbar { padding: 0 16px; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .filter-bar .input, .filter-bar .select { min-width: 0; }
}

@media (max-width: 520px) {
  .page-title { font-size: 22px; }
  .topbar-user .name, .topbar-user .role { display: none; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
}