:root {
  --bg: #f4f6f4;
  --surface: #ffffff;
  --surface-soft: #f9faf8;
  --ink: #17212b;
  --muted: #687480;
  --line: #dfe5e0;
  --line-strong: #cbd5ce;
  --rail: #111b25;
  --rail-soft: #1c2935;
  --teal: #10776c;
  --teal-soft: #e5f4f0;
  --blue: #2d628c;
  --blue-soft: #e7eff6;
  --amber: #a66a10;
  --amber-soft: #fbf1dc;
  --red: #ad453f;
  --red-soft: #fae9e7;
  --shadow: 0 18px 44px rgba(22, 32, 42, .09);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
}

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

button,
.button {
  border: 0;
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
  padding: 10px 12px;
  font-weight: 760;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

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

button.danger {
  background: var(--red);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  padding: 10px 11px;
  outline: 0;
}

textarea {
  min-height: 160px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(16, 119, 108, .14);
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 72px 220px minmax(0, 1fr);
}

.rail {
  position: sticky;
  top: 0;
  height: 100vh;
  background: var(--rail);
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  z-index: 4;
}

.brand,
.rail-link {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  text-decoration: none;
}

.brand {
  background: #fff;
  color: var(--rail);
  font-weight: 850;
  letter-spacing: .02em;
}

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

.rail-link {
  color: #aeb8c3;
  position: relative;
  font-weight: 850;
}

.rail-link:hover,
.rail-link.active {
  color: #fff;
  background: var(--rail-soft);
}

.rail-link.active::before {
  content: "";
  position: absolute;
  left: -10px;
  width: 3px;
  height: 24px;
  border-radius: 0 4px 4px 0;
  background: #56c8b2;
}

.rail-link.bottom {
  margin-top: auto;
}

.context-panel {
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(16px);
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.context-panel h1 {
  margin: 2px 0 4px;
  font-size: 20px;
  letter-spacing: 0;
}

.eyebrow {
  margin: 0;
  color: var(--teal);
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .08em;
}

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

.month-picker {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.side-stat {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  display: grid;
  gap: 6px;
}

.side-stat span,
.metric span,
.card small,
td small {
  color: var(--muted);
  font-size: 12px;
}

.side-stat strong {
  font-size: 17px;
}

.user-chip {
  margin-top: auto;
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  min-width: 0;
}

.user-chip > span {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background: var(--teal-soft);
  color: var(--teal);
  font-weight: 850;
}

.user-chip div {
  min-width: 0;
}

.user-chip strong,
.user-chip small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.workspace {
  padding: 26px;
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
}

.page-title h2 {
  margin: 4px 0 6px;
  font-size: clamp(25px, 3vw, 38px);
  letter-spacing: 0;
}

.page-title p:last-child {
  margin: 0;
  color: var(--muted);
  max-width: 720px;
}

.grid {
  display: grid;
  gap: 14px;
}

.cols-2 {
  grid-template-columns: minmax(0, 1fr) minmax(320px, .45fr);
}

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

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

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

.metric {
  min-height: 126px;
  padding: 16px;
  display: grid;
  align-content: space-between;
  gap: 8px;
}

.metric strong {
  font-size: 25px;
  letter-spacing: 0;
}

.metric.teal {
  background: var(--teal-soft);
  border-color: #c8e8df;
}

.metric.blue {
  background: var(--blue-soft);
  border-color: #cbdbea;
}

.metric.amber {
  background: var(--amber-soft);
  border-color: #edd6a5;
}

.metric.red {
  background: var(--red-soft);
  border-color: #efc7c2;
}

.card {
  padding: 16px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.card-header h3,
.card h3 {
  margin: 0;
  font-size: 17px;
}

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

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

.form-grid .full {
  grid-column: 1 / -1;
}

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

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

th {
  color: var(--muted);
  font-size: 12px;
  text-align: left;
  padding: 0 12px 10px;
}

td {
  border-top: 1px solid var(--line);
  padding: 13px 12px;
  vertical-align: middle;
}

td strong,
td small {
  display: block;
}

.actions {
  width: 1%;
  white-space: nowrap;
}

.actions form {
  display: inline-flex;
  margin: 0 0 0 6px;
}

.actions button {
  padding: 8px 10px;
}

.status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 74px;
  border-radius: 999px;
  padding: 5px 9px;
  font-size: 12px;
  font-weight: 850;
}

.status.paid {
  color: var(--teal);
  background: var(--teal-soft);
}

.status.open {
  color: var(--amber);
  background: var(--amber-soft);
}

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

.list-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.list-item strong,
.list-item span {
  display: block;
}

.bar {
  height: 9px;
  border-radius: 999px;
  background: #e8ece8;
  overflow: hidden;
}

.bar > span {
  display: block;
  height: 100%;
  width: var(--value);
  background: var(--teal);
}

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

.timeline-row {
  display: grid;
  grid-template-columns: 46px 1fr auto;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 10px 12px;
}

.day {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background: var(--surface-soft);
  font-weight: 850;
}

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

.quick-menu a {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  color: var(--ink);
  text-decoration: none;
  display: grid;
  gap: 4px;
}

.quick-menu strong {
  font-size: 15px;
}

.flash {
  border-radius: var(--radius);
  padding: 12px 14px;
  background: var(--blue-soft);
  color: var(--blue);
  border: 1px solid #cbdbea;
}

.flash.success {
  background: var(--teal-soft);
  color: var(--teal);
  border-color: #c8e8df;
}

.flash.info {
  background: var(--amber-soft);
  color: var(--amber);
  border-color: #edd6a5;
}

.auth-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(135deg, rgba(16, 119, 108, .12), transparent 42%),
    linear-gradient(315deg, rgba(45, 98, 140, .10), transparent 38%),
    var(--bg);
}

.auth-card {
  width: min(920px, 100%);
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(320px, 1fr);
  gap: 0;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow);
}

.auth-intro {
  padding: 30px;
  background: var(--rail);
  color: #fff;
  display: grid;
  align-content: space-between;
  gap: 30px;
}

.auth-intro h1 {
  margin: 8px 0 10px;
  font-size: 32px;
  letter-spacing: 0;
}

.auth-intro p {
  color: #c6d0da;
  margin: 0;
}

.auth-form {
  padding: 30px;
  display: grid;
  gap: 14px;
}

.auth-form h2 {
  margin: 0;
  font-size: 25px;
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.mini-grid span {
  display: grid;
  place-items: center;
  min-height: 68px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--radius);
  color: #dce5ee;
  font-weight: 850;
}

@media (max-width: 1060px) {
  .app-shell {
    grid-template-columns: 66px minmax(0, 1fr);
  }

  .context-panel {
    display: none;
  }

  .cols-2,
  .cols-3,
  .cols-4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 13px;
  }

  .app-shell {
    display: block;
    padding-bottom: 72px;
  }

  .rail {
    position: fixed;
    inset: auto 0 0;
    height: 64px;
    flex-direction: row;
    padding: 10px;
  }

  .brand,
  .rail-link.bottom {
    display: none;
  }

  .rail-nav {
    width: 100%;
    grid-template-columns: repeat(5, 1fr);
  }

  .rail-link {
    width: 100%;
    height: 44px;
  }

  .rail-link.active::before {
    left: calc(50% - 12px);
    bottom: -10px;
    width: 24px;
    height: 3px;
    border-radius: 4px 4px 0 0;
  }

  .workspace {
    padding: 18px;
  }

  .page-title h2 {
    font-size: 26px;
  }

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

  .auth-intro {
    display: none;
  }

  .quick-menu,
  .mini-grid {
    grid-template-columns: 1fr;
  }
}