:root {
  --page: #ffffff;
  --page-soft: #f6f8fb;
  --page-tint: #eef4ff;
  --sidebar: rgba(249, 251, 255, 0.96);
  --card: #ffffff;
  --card-soft: #f8fbff;
  --ink: #101828;
  --muted: #667085;
  --line: #e4e7ec;
  --line-strong: #d0d5dd;
  --brand: #155eef;
  --brand-strong: #004ee8;
  --brand-soft: #e8f0ff;
  --cool: #0f766e;
  --ok: #0f9f6e;
  --warn: #c2410c;
  --error: #b42318;
  --shadow: 0 10px 24px rgba(16, 24, 40, 0.06);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--page);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(21, 94, 239, 0.07), transparent 24%),
    radial-gradient(circle at bottom right, rgba(15, 118, 110, 0.06), transparent 22%),
    linear-gradient(180deg, var(--page) 0%, var(--page-soft) 100%);
}

a {
  color: var(--brand-strong);
  text-decoration: none;
}

p {
  margin: 0;
}

.shell {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 24px;
  height: 100vh;
  padding: 18px 14px;
  background: var(--sidebar);
  border-right: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.sidebar__top {
  display: grid;
  align-content: start;
  gap: 22px;
}

.sidebar__brand {
  display: grid;
  gap: 12px;
}

.sidebar__mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  box-shadow: 0 12px 24px rgba(21, 94, 239, 0.22);
}

.sidebar__eyebrow,
.panel-card__eyebrow {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.sidebar h1,
.hero-card h2,
.auth-card h2,
.panel-card h3 {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.sidebar h1 {
  margin-top: 8px;
  font-size: 20px;
  line-height: 1.1;
}

.sidebar p,
.hero-card p,
.auth-card p,
.panel-card__copy {
  color: var(--muted);
  line-height: 1.6;
}

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

.sidebar__nav a {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: start;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 8px;
  border: 1px solid transparent;
  color: var(--ink);
  transition: border-color 160ms ease, background 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.sidebar__nav a:hover,
.sidebar__nav a.is-active {
  background: #ffffff;
  border-color: var(--line);
  box-shadow: 0 10px 20px rgba(16, 24, 40, 0.06);
  transform: translateY(-1px);
}

.sidebar__icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--card-soft);
  border: 1px solid rgba(21, 94, 239, 0.08);
  color: var(--brand);
}

.sidebar__icon svg {
  width: 18px;
  height: 18px;
}

.sidebar__navCopy {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.sidebar__navLabel {
  font-size: 13px;
}

.sidebar__navHint {
  color: var(--muted);
  font-size: 11px;
}

.sidebar__footer {
  margin-top: auto;
  display: grid;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.sidebar__user {
  display: grid;
  gap: 3px;
}

.sidebar__userLabel {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sidebar__user strong {
  font-size: 13px;
  line-height: 1.4;
}

.content {
  width: min(100%, 1480px);
  padding: 24px 28px 38px;
}

.content--auth {
  padding: 0;
}

.banner {
  padding: 14px 18px;
  margin-bottom: 18px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 10px 24px rgba(16, 24, 40, 0.04);
}

.banner--notice {
  border-color: rgba(15, 159, 110, 0.2);
  color: var(--ok);
}

.banner--error {
  border-color: rgba(180, 35, 24, 0.18);
  color: var(--error);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--brand-soft);
  color: var(--brand-strong);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.pill--cool,
.pill--warm {
  background: rgba(15, 118, 110, 0.08);
  color: var(--cool);
}

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

.hero-card {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr) 260px;
  padding: 20px;
  margin-bottom: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 251, 255, 0.96) 100%);
}

.hero-card--compact {
  grid-template-columns: 1fr;
}

.hero-card__actions {
  display: grid;
  align-content: center;
  gap: 14px;
  padding-left: 18px;
  border-left: 1px solid var(--line);
}

.metric-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 18px;
}

.metric-grid--nested {
  margin-bottom: 18px;
}

.metric-card {
  min-height: 112px;
  padding: 18px;
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
}

.metric-card span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.metric-card strong {
  display: block;
  margin: 10px 0 8px;
  font-size: 28px;
  line-height: 1;
  letter-spacing: -0.04em;
}

.metric-card small {
  color: var(--muted);
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: 18px;
  margin-bottom: 18px;
}

.panel-grid--single {
  grid-template-columns: 1fr;
}

.panel-card {
  padding: 18px;
}

.panel-card__head,
.panel-card__toolbar {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 18px;
  margin-bottom: 14px;
}

.panel-card__toolbar {
  flex-wrap: wrap;
}

.panel-card__copy {
  margin-top: 6px;
  font-size: 14px;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  min-width: 560px;
}

th,
td {
  padding: 11px 12px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  vertical-align: middle;
}

th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--card-soft);
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

tbody tr {
  background: #ffffff;
  transition: background 160ms ease;
}

tbody tr:hover {
  background: #f8fbff;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.table-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--brand-soft);
  color: var(--brand-strong);
  font-size: 12px;
  font-weight: 600;
  margin-right: 6px;
}

.log-list {
  display: grid;
  gap: 12px;
}

.log-entry {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 8px;
  background: rgba(248, 251, 255, 0.92);
  border: 1px solid var(--line);
}

.log-entry p {
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
}

.log-entry__meta {
  display: grid;
  justify-items: end;
  gap: 8px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 68px;
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.status-pill--ok {
  background: rgba(15, 159, 110, 0.12);
  color: var(--ok);
}

.status-pill--warn {
  background: rgba(194, 65, 12, 0.12);
  color: var(--warn);
}

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

.primary-button,
.ghost-button,
.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 8px;
  padding: 13px 18px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease;
}

.primary-button,
.button-link.primary-button {
  color: #ffffff;
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  box-shadow: 0 14px 30px rgba(21, 94, 239, 0.2);
}

.ghost-button {
  background: #ffffff;
  color: var(--ink);
  border: 1px solid var(--line);
}

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

.auth-stage {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 32px;
}

.auth-stage__ambient span {
  display: none;
}

.auth-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 420px);
  gap: 24px;
  width: min(980px, 100%);
  padding: 24px;
}

.auth-form,
.user-form {
  display: grid;
  gap: 14px;
}

.upload-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: end;
}

.auth-form label,
.user-form label,
.upload-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

input,
select {
  border: 1px solid var(--line);
  background: #ffffff;
  border-radius: 8px;
  padding: 12px 14px;
  font: inherit;
  color: var(--ink);
  box-shadow: inset 0 1px 2px rgba(16, 24, 40, 0.02);
}

input:focus,
select:focus {
  outline: 0;
  border-color: rgba(21, 94, 239, 0.45);
  box-shadow: 0 0 0 4px rgba(21, 94, 239, 0.08);
}

.upload-dropzone {
  display: grid;
  gap: 10px;
  border: 1px dashed rgba(21, 94, 239, 0.35);
  border-radius: 8px;
  padding: 14px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.upload-dropzone input[type="file"] {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.empty-state {
  color: var(--muted);
  padding: 12px 2px;
}

@media (max-width: 1080px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: relative;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

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

  .sidebar__nav a {
    grid-template-columns: 1fr;
  }

  .sidebar__navHint {
    display: none;
  }

  .hero-card,
  .metric-grid,
  .panel-grid,
  .auth-card {
    grid-template-columns: 1fr;
  }

  .hero-card__actions {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-top: 18px;
  }
}

@media (max-width: 720px) {
  .content,
  .sidebar {
    padding: 18px;
  }

  .hero-card,
  .panel-card,
  .metric-card,
  .auth-card {
    border-radius: 8px;
  }

  .metric-grid,
  .sidebar__nav {
    grid-template-columns: 1fr;
  }

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

  .panel-card__head,
  .panel-card__toolbar,
  .log-entry {
    flex-direction: column;
  }

  .log-entry__meta {
    justify-items: start;
  }
}