:root {
  color-scheme: dark;
  --bg: #0c1116;
  --bg-elev: rgba(20, 27, 35, 0.92);
  --bg-elev-strong: #18212b;
  --line: #2a3543;
  --line-soft: rgba(42, 53, 67, 0.55);
  --text: #f4f7fb;
  --muted: #97a6b7;
  --accent: #d8a94d;
  --good: #79d9a6;
  --good-bg: rgba(31, 122, 76, 0.2);
  --warn: #efc26c;
  --warn-bg: rgba(155, 106, 24, 0.18);
  --error: #ff9ca7;
  --error-bg: rgba(164, 52, 62, 0.18);
  --selection: #c8d0d9;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Segoe UI Variable Text", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(216, 169, 77, 0.18), transparent 26%),
    linear-gradient(180deg, #0a0f14 0%, var(--bg) 100%);
  color: var(--text);
}

.shell {
  width: min(1880px, calc(100vw - 16px));
  margin: 0 auto;
  padding: 12px 8px 18px;
}

.auth-layout {
  min-height: calc(100vh - 24px);
  display: grid;
  grid-template-columns: minmax(0, 2.8fr) minmax(360px, 420px);
  gap: 12px;
  align-items: stretch;
}

.brand-panel,
.login-card,
.card,
.topbar {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.24);
}

.brand-panel,
.login-card,
.card {
  padding: 24px;
}

.brand-panel {
  display: grid;
  gap: 18px;
}

.eyebrow {
  display: inline-block;
  padding: 8px 12px;
  border: 1px solid rgba(216, 169, 77, 0.42);
  border-radius: 999px;
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin: 14px 0 10px;
  font-size: clamp(34px, 3.8vw, 60px);
  line-height: 0.98;
  max-width: 17ch;
}

.lead {
  max-width: 96ch;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
}

.hero-row {
  display: block;
}

.hero-copy {
  min-width: 0;
  display: grid;
  align-content: start;
}

.content-band {
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) minmax(320px, 0.95fr);
  gap: 16px;
  align-items: start;
}

.side-panel {
  display: grid;
  align-self: stretch;
}

.side-panel:empty {
  display: none;
}

.checklist {
  margin: 18px 0 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.6;
}

.feature-panel,
.security-panel {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.security-panel-inline {
  margin-top: 16px;
}

.feature-panel h2,
.security-panel h2 {
  margin-bottom: 12px;
  font-size: 18px;
}

.feature-list {
  display: grid;
  gap: 14px;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-item {
  min-height: 100%;
  padding: 18px;
  border-radius: 16px;
  background: rgba(17, 24, 33, 0.58);
  border: 1px solid var(--line-soft);
}

.feature-item h3 {
  margin-bottom: 6px;
  font-size: 16px;
}

.feature-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
  font-size: 14px;
}

.security-list {
  margin-top: 0;
}

.login-card {
  display: grid;
  align-content: start;
  min-height: 100%;
  align-self: stretch;
  padding: 22px;
  background:
    linear-gradient(180deg, rgba(23, 31, 40, 0.98) 0%, rgba(17, 24, 33, 0.96) 100%);
}

.card-heading {
  margin-bottom: 12px;
}

.login-copy {
  margin-bottom: 0;
  font-size: 14px;
}

.login-form,
.upload-form {
  display: grid;
  gap: 12px;
}

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

.field {
  display: grid;
  gap: 6px;
}

.field span {
  color: var(--muted);
  font-size: 14px;
}

.field input {
  width: 100%;
  padding: 11px 13px;
  border-radius: 12px;
  border: 1px solid rgba(42, 53, 67, 0.88);
  background: rgba(10, 15, 20, 0.92);
  color: var(--text);
  font: inherit;
}

.field input:focus,
#upload-files:focus {
  outline: 2px solid rgba(216, 169, 77, 0.45);
  outline-offset: 2px;
}

.primary-button,
.ghost-button {
  border-radius: 14px;
  padding: 11px 16px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.primary-button {
  border: 1px solid rgba(216, 169, 77, 0.5);
  background: linear-gradient(180deg, #d8a94d 0%, #b8872f 100%);
  color: #17130b;
}

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

.primary-button:hover,
.ghost-button:hover {
  transform: translateY(-1px);
}

.form-message {
  margin: 0;
  min-height: 22px;
}

.muted {
  color: var(--muted);
}

.success {
  color: var(--good);
}

.error {
  color: var(--error);
}

.app-hidden {
  display: none;
}

.app-layout {
  min-height: calc(100vh - 110px);
}

.workspace-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.workspace-sidebar {
  position: sticky;
  top: 12px;
  display: grid;
  gap: 14px;
  align-content: start;
  padding: 18px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.24);
}

.workspace-brand {
  display: grid;
  gap: 10px;
}

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

.nav-tab {
  width: 100%;
  text-align: left;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line-soft);
  background: rgba(17, 24, 33, 0.58);
  color: var(--text);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.nav-tab:hover {
  transform: translateY(-1px);
  border-color: rgba(216, 169, 77, 0.4);
}

.nav-tab.is-active {
  border-color: rgba(216, 169, 77, 0.5);
  background: linear-gradient(180deg, rgba(216, 169, 77, 0.16) 0%, rgba(184, 135, 47, 0.08) 100%);
}

.viewer-box-sidebar {
  min-width: 0;
}

.sidebar-button {
  width: 100%;
}

.workspace-content {
  min-width: 0;
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: grid;
  gap: 14px;
}

.site-footer {
  margin-top: 10px;
  padding: 16px 18px;
  display: grid;
  grid-template-columns: minmax(280px, 0.7fr) minmax(0, 2.3fr);
  gap: 14px;
  background: rgba(15, 21, 28, 0.92);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18);
}

.footer-person {
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.footer-link-card {
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line-soft);
  background: rgba(17, 24, 33, 0.58);
}

.footer-link-card h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.footer-link-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.security-grid {
  display: grid;
  gap: 10px;
}

.security-item {
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid var(--line-soft);
  background: rgba(17, 24, 33, 0.58);
}

.security-item strong {
  display: block;
  margin-bottom: 6px;
}

.security-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
  font-size: 14px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 24px;
  margin-bottom: 22px;
}

.topbar-title {
  margin: 12px 0 0;
  font-size: 28px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.viewer-box {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(17, 24, 33, 0.85);
  border: 1px solid var(--line-soft);
  min-width: 140px;
}

.viewer-box small {
  color: var(--muted);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}

.card {
  grid-column: span 6;
}

.card-wide {
  grid-column: span 12;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 700;
}

.status-loading {
  background: var(--warn-bg);
  color: var(--warn);
}

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

.status-error {
  background: var(--error-bg);
  color: var(--error);
}

.facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.facts div {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line-soft);
  background: rgba(17, 24, 33, 0.58);
}

.facts dt {
  color: var(--muted);
  margin-bottom: 6px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.facts dd {
  margin: 0;
  word-break: break-word;
}

.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

#upload-files {
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px dashed var(--line);
  background: #111821;
  color: var(--muted);
}

.upload-list {
  display: grid;
  gap: 0;
}

.import-assignment-layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(320px, 1fr);
  gap: 14px;
}

.upload-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid var(--line-soft);
  background: rgba(17, 24, 33, 0.78);
}

.upload-item.is-selected {
  border-color: rgba(216, 169, 77, 0.45);
  background: rgba(34, 43, 54, 0.88);
}

.upload-open {
  all: unset;
  display: block;
  flex: 1;
  cursor: pointer;
}

.upload-open:focus-visible {
  outline: 2px solid rgba(216, 169, 77, 0.45);
  outline-offset: 3px;
  border-radius: 10px;
}

.upload-item + .upload-item,
.document-item + .document-item,
.data-item + .data-item {
  margin-top: 10px;
}

.upload-path,
.upload-size,
.empty-state {
  color: var(--muted);
}

.upload-path {
  margin-top: 6px;
  word-break: break-word;
}

.upload-meta {
  display: grid;
  gap: 4px;
  justify-items: end;
  color: var(--muted);
  font-size: 13px;
}

.danger-button {
  color: var(--error);
  border-color: rgba(255, 156, 167, 0.25);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.summary-card {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line-soft);
  background: rgba(17, 24, 33, 0.58);
}

.summary-card strong {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.summary-card span {
  font-size: 20px;
  font-weight: 700;
}

.document-list,
.data-list {
  display: grid;
}

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

.document-item,
.data-item {
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line-soft);
  background: rgba(17, 24, 33, 0.58);
}

.document-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}

.document-flag {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(216, 169, 77, 0.12);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

.document-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 13px;
}

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

.data-panel {
  display: grid;
  gap: 10px;
}

.data-panel h4 {
  margin: 0;
  font-size: 15px;
}

.data-item {
  display: grid;
  gap: 5px;
}

.data-item-status {
  gap: 8px;
}

.data-item span,
.data-item small {
  color: var(--muted);
}

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

.warning-copy {
  color: var(--warn) !important;
}

.compare-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
}

.compare-toolbar select,
.compare-toolbar input[type="date"] {
  min-height: 42px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(10, 15, 20, 0.92);
  color: var(--text);
  font: inherit;
}

.inline-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 12px;
  border-radius: 12px;
  border: 1px solid var(--line-soft);
  background: rgba(17, 24, 33, 0.58);
  color: var(--muted);
  white-space: nowrap;
}

.compare-layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(320px, 1fr);
  gap: 14px;
  margin-top: 14px;
}

.compare-layout + .compare-layout {
  margin-top: 16px;
}

.compare-panel {
  display: grid;
  gap: 10px;
  align-content: start;
}

.compare-panel h4 {
  margin: 0;
  font-size: 15px;
}

.mini-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 26px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.mini-pill-ok {
  background: var(--good-bg);
  color: var(--good);
}

.mini-pill-warn {
  background: var(--warn-bg);
  color: var(--warn);
}

.mini-pill-error {
  background: var(--error-bg);
  color: var(--error);
}

.status-ok-soft {
  border-color: rgba(121, 217, 166, 0.2);
}

.status-warn-soft {
  border-color: rgba(239, 194, 108, 0.2);
}

.finding-item {
  display: grid;
  gap: 8px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line-soft);
  background: rgba(17, 24, 33, 0.58);
}

.finding-item + .finding-item {
  margin-top: 10px;
}

.finding-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  color: var(--muted);
  font-size: 12px;
}

.compare-entry {
  min-width: 0;
}

.assignment-row {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(220px, 0.9fr) minmax(240px, 1fr);
  gap: 12px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line-soft);
  background: rgba(17, 24, 33, 0.58);
}

.assignment-main,
.assignment-meta,
.assignment-control {
  display: grid;
  gap: 6px;
  align-content: start;
}

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

.field-inline select {
  width: 100%;
  min-height: 42px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(10, 15, 20, 0.92);
  color: var(--text);
  font: inherit;
}

.admin-security-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.admin-security-panel {
  display: grid;
  gap: 10px;
}

.admin-security-panel h4 {
  margin: 0;
  font-size: 15px;
}

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

.security-event {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line-soft);
  background: rgba(17, 24, 33, 0.58);
}

.security-event span,
.security-event small {
  color: var(--muted);
  overflow-wrap: anywhere;
}

.empty-state {
  padding: 18px;
  border-radius: 16px;
  border: 1px dashed var(--line);
  background: rgba(17, 24, 33, 0.45);
}

.empty-state.compact {
  min-height: auto;
  padding: 16px 14px;
}

@media (max-width: 980px) {
  .auth-layout {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .workspace-layout {
    grid-template-columns: 1fr;
  }

  .workspace-sidebar {
    position: static;
  }

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

  .hero-row,
  .content-band,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .footer-links,
  .data-panels,
  .admin-security-grid,
  .facts,
  .document-grid,
  .compare-layout,
  .import-assignment-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .card,
  .card-wide {
    grid-column: span 12;
  }

  .topbar,
  .section-heading,
  .upload-item {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 680px) {
  .shell {
    width: calc(100vw - 16px);
    padding: 16px 8px 32px;
  }

  .brand-panel,
  .login-card,
  .card,
  .topbar {
    padding: 20px;
    border-radius: 20px;
  }

  .facts div {
    gap: 6px;
  }

  .feature-grid,
  .footer-links,
  .data-panels,
  .admin-security-grid,
  .facts,
  .document-grid,
  .compare-layout,
  .import-assignment-layout {
    grid-template-columns: 1fr;
  }

  .workspace-nav {
    grid-template-columns: 1fr;
  }

  .compare-toolbar {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }
}