:root {
  --ink: #202124;
  --muted: #69707a;
  --line: #d9dde3;
  --panel: #ffffff;
  --bg: #f4f6f8;
  --accent: #126c68;
  --accent-dark: #0e5552;
  --warn: #8a4d00;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Yu Gothic UI", "Yu Gothic", "YuGothic", -apple-system, BlinkMacSystemFont, "Hiragino Sans", sans-serif;
  line-height: 1.5;
}

.topbar {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 28px;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}

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

h1 {
  font-size: 24px;
  font-weight: 700;
}

.topbar p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tab-button {
  padding: 8px 11px;
}

.tab-button.active {
  border-color: var(--accent);
  color: var(--accent-dark);
  font-weight: 700;
}

.user-chip {
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

.login-screen {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(244, 246, 248, .94);
}

.login-screen[hidden] {
  display: none;
}

.login-box {
  width: min(360px, 100%);
  display: grid;
  gap: 14px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 48px rgba(32, 33, 36, .12);
}

.login-box h2 {
  font-size: 20px;
}

.login-box p {
  min-height: 20px;
  color: #9b1c1c;
  font-size: 13px;
}

.is-locked .layout {
  pointer-events: none;
  user-select: none;
}

.layout {
  display: grid;
  grid-template-columns: minmax(560px, 1.15fr) minmax(360px, .85fr);
  gap: 18px;
  padding: 18px;
}

.admin-layout {
  display: grid;
  grid-template-columns: minmax(420px, .9fr) minmax(440px, 1.1fr);
  gap: 18px;
  padding: 18px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  min-width: 0;
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.section-title h2 {
  font-size: 18px;
}

.section-title span {
  color: var(--muted);
  font-size: 13px;
}

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

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

label,
.memo {
  display: grid;
  gap: 5px;
}

label span,
.memo span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.check-row input {
  width: auto;
}

.wide {
  grid-column: span 1;
}

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

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  padding: 9px 10px;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(18, 108, 104, .16);
  border-color: var(--accent);
}

.items-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 20px 0 8px;
}

.items-head h3 {
  font-size: 15px;
}

button {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  padding: 9px 12px;
  cursor: pointer;
}

button:hover {
  border-color: #aeb6c2;
}

.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}

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

.icon-button {
  width: 40px;
  height: 40px;
  padding: 0;
  font-size: 20px;
}

.line-item {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) 130px 112px 36px;
  gap: 8px;
  align-items: start;
  margin-bottom: 8px;
}

.line-item .remove {
  width: 36px;
  height: 38px;
  padding: 0;
  color: #9b1c1c;
}

.memo {
  margin-top: 14px;
}

.summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 16px;
}

.summary div {
  min-height: 60px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 10px;
  background: #fbfcfd;
}

.summary span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.summary strong {
  display: block;
  margin-top: 5px;
  font-size: 17px;
  text-align: right;
}

.summary .grand {
  background: #eef7f6;
  border-color: rgba(18, 108, 104, .3);
}

.actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 16px;
}

.filters {
  display: grid;
  grid-template-columns: 1fr 180px;
  gap: 8px;
  margin-bottom: 12px;
}

.access-controls {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(180px, 1fr);
  gap: 8px;
  margin-bottom: 10px;
}

.access-summary {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 13px;
}

.permission-block {
  margin-top: 16px;
}

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

.permission-head h3 {
  font-size: 15px;
}

.project-permissions {
  display: grid;
  gap: 10px;
  max-height: 360px;
  overflow: auto;
  padding-right: 4px;
}

.project-permissions.is-disabled {
  opacity: .45;
}

.permission-group {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: #fbfcfd;
}

.permission-group h4 {
  margin: 0 0 8px;
  font-size: 13px;
}

.permission-options {
  display: grid;
  gap: 6px;
}

.user-list {
  display: grid;
  gap: 8px;
  max-height: calc(100vh - 190px);
  overflow: auto;
  padding-right: 4px;
}

.user-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #fff;
}

.user-card.is-inactive {
  opacity: .58;
}

.user-card header {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: start;
}

.user-card h3 {
  font-size: 15px;
}

.user-card p {
  color: var(--muted);
  font-size: 13px;
}

.invoice-list {
  display: grid;
  gap: 8px;
  max-height: calc(100vh - 222px);
  overflow: auto;
  padding-right: 4px;
}

.invoice-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #fff;
}

.invoice-card header {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: start;
}

.invoice-card h3 {
  font-size: 14px;
  line-height: 1.4;
}

.invoice-card .amount {
  white-space: nowrap;
  font-weight: 700;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 2px 7px;
  border-radius: 999px;
  background: #f0f2f4;
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}

.invoice-card a {
  display: inline-block;
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.card-actions button {
  padding: 6px 10px;
  font-size: 13px;
}

.card-actions .danger {
  color: #9b1c1c;
  border-color: #e4b4b4;
}

.card-actions .danger:hover {
  background: #fff5f5;
  border-color: #c87878;
}

.empty {
  color: var(--muted);
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 24px;
  text-align: center;
}

.error {
  color: #9b1c1c;
}

.ok {
  color: var(--accent-dark);
}

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

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

  .invoice-list {
    max-height: none;
  }
}

@media (max-width: 680px) {
  .topbar {
    padding: 16px;
    align-items: flex-start;
    flex-direction: column;
  }

  .layout {
    padding: 10px;
  }

  .grid.two,
  .summary,
  .filters,
  .access-controls,
  .admin-layout,
  .line-item {
    grid-template-columns: 1fr;
  }

  .line-item .remove {
    width: 100%;
  }
}