:root {
  --bg: #19191f;
  --bg-accent: radial-gradient(circle at top center, rgba(148, 27, 49, 0.14), transparent 38%);
  --surface: #202027;
  --surface-2: #23232b;
  --surface-3: #17171d;
  --surface-4: rgba(32, 32, 39, 0.9);
  --border: #30303a;
  --border-strong: #40404d;
  --text: #f4f4f6;
  --muted: #adadb8;
  --primary: #a71d33;
  --primary-hover: #8d172b;
  --primary-soft: rgba(167, 29, 51, 0.26);
  --focus: rgba(167, 29, 51, 0.34);
  --success: #22c55e;
  --danger: #fb7185;
  --warning: #fbbf24;
  --shadow-soft: 0 10px 24px rgba(0, 0, 0, 0.18);
  --shadow-card: 0 22px 42px rgba(0, 0, 0, 0.22);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 28px;
  --space-8: 32px;
  --space-10: 40px;
  --content-width: 1480px;
  --sidebar-width: 280px;
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background:
    linear-gradient(180deg, rgba(25, 25, 31, 0.97), rgba(25, 25, 31, 0.99)),
    var(--bg-accent),
    var(--bg);
  color: var(--text);
}

a,
button,
img,
svg { display: block; }

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

button,
a { -webkit-tap-highlight-color: transparent; }

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

:focus-visible {
  outline: 0;
  box-shadow: 0 0 0 4px var(--focus);
}

.hidden { display: none !important; }

code {
  padding: 0.12rem 0.42rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(240px, var(--sidebar-width)) minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: var(--space-7);
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  background:
    linear-gradient(180deg, rgba(23, 23, 29, 0.98), rgba(18, 18, 24, 0.98)),
    var(--surface-3);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-8);
}

.sidebar__brand,
.sidebar__footer {
  display: grid;
  gap: var(--space-3);
}

.sidebar__eyebrow {
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.76rem;
  font-weight: 700;
}

.sidebar h1 {
  font-size: clamp(1.7rem, 2vw, 2.2rem);
  line-height: 1.02;
  font-weight: 800;
  letter-spacing: -0.05em;
}

.sidebar nav {
  display: grid;
  gap: var(--space-2);
}

.sidebar a,
.button-link,
button {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.sidebar a,
.button-link {
  color: var(--text);
  text-decoration: none;
  padding: 0.95rem 1rem;
  background: rgba(255, 255, 255, 0.02);
}

.sidebar a:hover,
.sidebar a:focus-visible,
.button-link:hover,
.button-link:focus-visible {
  border-color: rgba(225, 29, 72, 0.42);
  background: rgba(255, 255, 255, 0.04);
  transform: translateY(-1px);
}

.sidebar a.active {
  background: var(--primary-soft);
  border-color: rgba(225, 29, 72, 0.35);
  box-shadow: inset 0 0 0 1px rgba(225, 29, 72, 0.1);
}

.sidebar__user {
  display: grid;
  gap: 4px;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.03);
}

.user-name {
  font-weight: 700;
  font-size: 0.98rem;
}

.content {
  width: 100%;
  max-width: min(var(--content-width), calc(100vw - clamp(20px, 4vw, 48px) * 2));
  padding: var(--space-8) clamp(20px, 4vw, 48px) var(--space-10);
  margin: 0 auto;
}

.content--centered {
  display: grid;
  place-items: center;
  max-width: none;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-6);
  margin-bottom: var(--space-7);
}

.page-header__copy {
  display: grid;
  gap: var(--space-2);
  max-width: 860px;
}

.page-header__copy h2 {
  font-size: clamp(2rem, 2.6vw, 2.8rem);
  line-height: 1.02;
  font-weight: 800;
  letter-spacing: -0.05em;
}

.page-header__copy p,
.muted,
.hint,
.section-intro,
.card-intro,
.label-note,
small.muted {
  color: var(--muted);
}

.page-header__meta {
  display: grid;
  gap: var(--space-2);
  min-width: 0;
  max-width: 100%;
  justify-items: end;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(225, 29, 72, 0.26);
  background: rgba(167, 29, 51, 0.12);
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 700;
}

.grid {
  display: grid;
  gap: var(--space-5);
}

.two-columns {
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  align-items: start;
}

.card,
.result-card {
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: var(--surface);
  box-shadow: var(--shadow-card);
  border-radius: var(--radius-lg);
}

.card {
  padding: var(--space-7);
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

.card-header__copy {
  display: grid;
  gap: var(--space-2);
}

.card h2,
.card h3,
.result-card h3 {
  font-size: 1.35rem;
  line-height: 1.1;
}

.panel-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.42rem 0.7rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--muted);
  font-size: 0.82rem;
}

.auth-card {
  width: min(520px, 100%);
}

.auth-card .card-header {
  margin-bottom: var(--space-5);
}

.form-grid {
  display: grid;
  gap: var(--space-4);
}

.form-grid--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

label,
.field {
  display: grid;
  gap: 7px;
}

label span,
.field span,
.section-label {
  display: block;
  color: var(--muted);
  font-size: 0.94rem;
}

input,
select,
textarea,
button {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(12, 14, 18, 0.96);
  color: var(--text);
  padding: 0.875rem 1rem;
}

input::placeholder,
textarea::placeholder {
  color: rgba(173, 173, 184, 0.78);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

select option {
  color: var(--text);
  background: #111419;
}

button {
  cursor: pointer;
  font-weight: 700;
  background: var(--primary);
}

button:hover,
button:focus-visible {
  border-color: rgba(225, 29, 72, 0.42);
  background: var(--primary-hover);
}

button.secondary,
.button-link.button-link--secondary {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

button.secondary:hover,
button.secondary:focus-visible,
.button-link.button-link--secondary:hover,
.button-link.button-link--secondary:focus-visible {
  background: rgba(255, 255, 255, 0.07);
}

button.danger {
  background: rgba(251, 113, 133, 0.14);
  color: var(--danger);
  border-color: rgba(251, 113, 133, 0.35);
}

button.danger:hover,
button.danger:focus-visible {
  background: rgba(251, 113, 133, 0.2);
  border-color: rgba(251, 113, 133, 0.48);
}

button:disabled {
  opacity: 0.7;
  cursor: progress;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.alert {
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
  margin: 10px 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.alert-error {
  background: rgba(251, 113, 133, 0.15);
  border-color: rgba(251, 113, 133, 0.38);
}

.alert-success {
  background: rgba(34, 197, 94, 0.15);
  border-color: rgba(34, 197, 94, 0.32);
}

.alert-warning {
  background: rgba(251, 191, 36, 0.15);
  border-color: rgba(251, 191, 36, 0.32);
}

.result-card {
  margin-top: var(--space-5);
  padding: var(--space-6);
  display: grid;
  gap: var(--space-3);
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3) var(--space-5);
}

.result-item {
  display: grid;
  gap: 4px;
}

.result-item strong {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.artifacts-list,
.users-table,
.stats-grid,
.quick-actions {
  display: grid;
  gap: var(--space-3);
}

.artifact-item,
.user-row,
.stat-card,
.info-strip {
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(37, 37, 46, 0.96), rgba(28, 28, 35, 0.98));
  box-shadow: var(--shadow-soft);
}

.artifact-item,
.user-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
}

.artifact-item--compact { align-items: flex-start; }

.artifact-main,
.user-main { min-width: 0; }

.artifact-main {
  display: grid;
  gap: 4px;
}

.artifact-date--top {
  min-width: 0;
  text-align: left;
  font-size: 0.88rem;
}

.artifact-main strong,
.user-main strong {
  font-size: 1rem;
}

.artifact-side {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-left: auto;
  flex-shrink: 0;
}

.artifact-meta {
  display: grid;
  gap: var(--space-2);
  justify-items: end;
}

.artifact-date {
  min-width: 90px;
  text-align: right;
  color: var(--muted);
}

.artifact-summary,
.artifact-detail {
  line-height: 1.45;
}

.artifact-detail { margin-top: 6px; max-width: 56ch; }

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  white-space: nowrap;
  font-weight: 700;
}

.button-link--primary {
  background: var(--primary-soft);
  border-color: rgba(225, 29, 72, 0.32);
}

.button-link--primary:hover,
.button-link--primary:focus-visible {
  background: rgba(225, 29, 72, 0.24);
}

.stats-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: var(--space-5);
}

.stat-card {
  padding: var(--space-5);
  display: grid;
  gap: var(--space-2);
}

.stat-card__value {
  font-size: clamp(1.6rem, 2vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
}

.info-strip {
  padding: var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  margin-bottom: var(--space-5);
}

.admin-layout { align-items: start; }
.admin-side-grid { gap: var(--space-5); min-width: 0; }
.admin-actions { display: grid; gap: var(--space-3); min-width: min(300px, 100%); }
.admin-actions--compact { min-width: min(240px, 100%); }
.admin-actions--compact form { display: grid; gap: var(--space-2); }
.admin-actions--compact input,
.admin-actions--compact button { padding: 0.72rem 0.85rem; }
.admin-actions--compact button { font-size: 0.95rem; }
.admin-users-form-actions { margin-bottom: var(--space-4); }
.users-list-header { margin-top: var(--space-2); }
.full-width { grid-column: 1 / -1; }

.printed-items-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
  padding-top: var(--space-2);
}

.printed-items-list { display: grid; gap: var(--space-4); }

.printed-item-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
}

.checkbox-field {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 28px;
}

.checkbox-field input { width: auto; margin: 0; }
.checkbox-field span { margin-bottom: 0; }
.printed-item-remove { align-self: end; }
.more-artifacts-block { margin-top: var(--space-4); }

@media (max-width: 1320px) {
  .two-columns {
    grid-template-columns: 1fr;
  }

  .admin-side-grid,
  .card,
  .artifacts-list,
  .users-table,
  .artifact-item,
  .artifact-main,
  .artifact-side {
    min-width: 0;
  }
}

@media (max-width: 1200px) {
  .stats-grid,
  .printed-item-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1024px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }
  .page-header,
  .info-strip {
    flex-direction: column;
    align-items: flex-start;
  }
  .page-header__meta { justify-items: start; }
}

@media (max-width: 720px) {
  .content { padding: var(--space-6) var(--space-5) var(--space-8); }
  .card { padding: var(--space-5); }
  .artifact-item,
  .user-row,
  .artifact-side,
  .printed-items-header,
  .form-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .artifact-date { text-align: left; min-width: 0; }
  .form-grid--two,
  .two-columns,
  .stats-grid,
  .result-grid,
  .printed-item-row {
    grid-template-columns: 1fr;
  }
  .admin-actions { min-width: 0; }
}