:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --surface-soft: #f2f4f7;
  --ink: #142033;
  --muted: #667085;
  --line: #dde3ec;
  --primary: #c89a55;
  --primary-dark: #ad7f3f;
  --primary-soft: #fbf4e8;
  --navy: #132238;
  --navy-dark: #0d1a2c;
  --navy-soft: #203149;
  --accent: #132238;
  --accent-soft: #203149;
  --good: #147a4a;
  --warn: #9a5b04;
  --bad: #b42318;
  --shadow: 0 16px 42px rgba(19, 34, 56, 0.09);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, #eef2f7 0%, var(--bg) 280px),
    var(--bg);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}

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

button {
  cursor: pointer;
}

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

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 28px 20px;
  background:
    linear-gradient(180deg, rgba(200, 154, 85, 0.12) 0%, rgba(200, 154, 85, 0) 220px),
    linear-gradient(180deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: #fff;
}

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

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-logo {
  display: block;
  width: 196px;
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.brand h1,
.brand p,
.topbar h2,
.topbar p,
.panel h3 {
  margin: 0;
}

.brand p {
  color: #cbd3df;
  font-size: 13px;
  margin-top: 0;
}

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

.nav-item,
.ghost-button {
  width: 100%;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 12px 14px;
  text-align: left;
  color: #d7dde7;
  background: transparent;
}

.nav-item:hover,
.nav-item.active {
  border-color: rgba(200, 154, 85, 0.42);
  background: rgba(200, 154, 85, 0.14);
  box-shadow: inset 4px 0 0 var(--primary);
  color: #fff;
}

.sidebar-footer {
  display: grid;
  gap: 8px;
  margin-top: auto;
}

.ghost-button {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.03);
}

.ghost-button.danger {
  color: #f0d6ad;
}

.logout-link {
  display: block;
  text-decoration: none;
}

.main {
  min-width: 0;
  padding: 28px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-left: 5px solid var(--primary);
  border-radius: 8px;
  padding: 20px 22px;
  background:
    linear-gradient(135deg, rgba(200, 154, 85, 0.12), rgba(200, 154, 85, 0) 32%),
    linear-gradient(180deg, var(--navy) 0%, var(--navy-dark) 100%);
  box-shadow: var(--shadow);
  color: #fff;
}

.eyebrow {
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.topbar h2 {
  margin-top: 3px;
  font-size: 29px;
  color: #fff;
}

.topbar-actions {
  display: flex;
  align-items: end;
  gap: 12px;
}

.search {
  display: grid;
  gap: 6px;
  color: #cbd3df;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.search input {
  width: min(320px, 34vw);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 11px 12px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  text-transform: none;
}

.search input::placeholder {
  color: #aeb8c7;
}

.primary-button,
.secondary-button,
.text-button,
.icon-button {
  border: 0;
  border-radius: 8px;
  min-height: 42px;
  padding: 0 14px;
  font-weight: 700;
}

.primary-button {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 10px 20px rgba(200, 154, 85, 0.2);
}

.primary-button:hover {
  background: var(--primary-dark);
}

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

.secondary-button:hover,
.icon-button:hover {
  border-color: rgba(200, 154, 85, 0.46);
  background: var(--primary-soft);
}

.text-button {
  min-height: 34px;
  background: transparent;
  color: var(--primary);
}

.icon-button {
  width: 38px;
  min-height: 38px;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--surface);
}

.view {
  display: none;
}

.active-view {
  display: grid;
  gap: 20px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

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

.stat-card {
  padding: 18px;
  border-top: 4px solid var(--primary);
  background:
    linear-gradient(180deg, #ffffff 0%, #fbfbfc 100%);
}

.stat-card span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.stat-card strong {
  display: block;
  margin-top: 10px;
  font-size: 30px;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.7fr);
  gap: 20px;
}

.panel {
  min-width: 0;
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

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

.list-stack {
  display: grid;
  gap: 10px;
  padding: 16px 20px 20px;
}

.list-item {
  display: grid;
  gap: 7px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px;
  background: #fbfbfc;
}

.list-item-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.meta {
  color: var(--muted);
  font-size: 13px;
}

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

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

tbody tr:hover {
  background: var(--primary-soft);
}

tbody tr.table-group,
tbody tr.table-group:hover {
  background: var(--navy);
  color: #fff;
}

tbody tr.table-group td {
  border-bottom: 0;
  padding: 10px 18px;
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

tbody tr.selected-row {
  background: var(--primary-soft);
  box-shadow: inset 4px 0 0 var(--primary);
}

.actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  border-radius: 999px;
  padding: 0 10px;
  background: var(--surface-soft);
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
}

.chip:not(.good):not(.warn):not(.bad) {
  border: 1px solid #e4e7ec;
}

.chip.good {
  background: #e9f8ef;
  color: var(--good);
}

.chip.warn {
  background: #fff7df;
  color: var(--warn);
}

.chip.bad {
  background: #ffeaec;
  color: var(--bad);
}

.progress {
  height: 8px;
  min-width: 120px;
  overflow: hidden;
  border-radius: 999px;
  background: #eceff3;
}

.progress span {
  display: block;
  height: 100%;
  background: var(--primary);
}

dialog {
  width: min(720px, calc(100vw - 32px));
  border: 0;
  border-radius: 8px;
  padding: 0;
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.24);
}

dialog::backdrop {
  background: rgba(17, 24, 39, 0.52);
}

.modal-form {
  display: grid;
  gap: 18px;
  padding: 22px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  margin: 0;
  font-size: 20px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 11px;
  background: #fff;
  color: var(--ink);
}

textarea {
  resize: vertical;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}

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

.form-hint {
  margin: -6px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.empty {
  color: var(--muted);
  padding: 18px;
}

.detail-panel {
  border-top: 1px solid var(--line);
  background: #fbfbfc;
}

.detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.detail-header h3 {
  margin: 0;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mini-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
}

.mini-stats span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 10px;
  background: #fff;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.setup-error {
  max-width: 760px;
}

#toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  transform: translateY(18px);
  opacity: 0;
  border-radius: 8px;
  padding: 12px 14px;
  background: var(--navy);
  color: #fff;
  box-shadow: var(--shadow);
  transition: 180ms ease;
  pointer-events: none;
}

#toast.visible {
  transform: translateY(0);
  opacity: 1;
}

.login-page {
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(135deg, rgba(200, 154, 85, 0.2), transparent 38%),
    linear-gradient(180deg, var(--navy) 0%, var(--navy-dark) 100%);
}

.login-card {
  width: min(420px, 100%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 28px;
  background: rgba(13, 26, 44, 0.96);
  color: #fff;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.24);
}

.login-brand {
  margin-bottom: 24px;
  color: #fff;
}

.login-brand p {
  color: #cbd3df;
}

.login-card label {
  color: #dce3eb;
}

.login-form {
  display: grid;
  gap: 16px;
}

.login-form .primary-button {
  width: 100%;
}

.login-error {
  margin: 0;
  border-radius: 8px;
  padding: 10px 12px;
  background: #ffeaec;
  color: var(--bad);
  font-weight: 700;
}

.upload-error {
  display: grid;
  gap: 12px;
  color: var(--ink);
}

.upload-error p {
  margin: 0;
  color: var(--muted);
}

.upload-error ul {
  margin: 0;
  padding-left: 20px;
}

.verify-card {
  display: grid;
  gap: 18px;
}

.verify-result {
  display: grid;
  gap: 8px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 14px;
}

.verify-result h2,
.verify-result p {
  margin: 0;
}

.certificate-page {
  min-height: 100vh;
  background: var(--bg);
}

.certificate-shell {
  display: grid;
  gap: 18px;
  max-width: 980px;
  margin: 0 auto;
  padding: 24px;
}

.certificate-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.certificate-toolbar h1,
.certificate-toolbar p {
  margin: 0;
}

.certificate-preview {
  display: block;
  width: 100%;
  height: min(78vh, 900px);
  border: 0;
  background: #fff;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    padding: 18px;
  }

  .nav {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .topbar,
  .topbar-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .search input {
    width: 100%;
  }

  .stats-grid,
  .split-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .main {
    padding: 18px;
  }

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

  .stats-grid {
    gap: 10px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  th,
  td {
    padding: 12px;
  }
}