:root {
  --ink: #1d2433;
  --muted: #667085;
  --line: #d9dee8;
  --paper: #faf8f3;
  --surface: #ffffff;
  --choir: #275a53;
  --choir-strong: #163d38;
  --brass: #b7832f;
  --rose: #b34b4b;
  --sky: #4d7b9f;
  --shadow: 0 18px 45px rgba(29, 36, 51, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(39, 90, 83, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(39, 90, 83, 0.06) 1px, transparent 1px),
    var(--paper);
  background-size: 42px 42px;
  font-family: "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
}

.auth-screen {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(135deg, rgba(22, 61, 56, 0.92), rgba(39, 90, 83, 0.72)),
    var(--paper);
}

.auth-screen.hidden {
  display: none;
}

.auth-panel {
  width: min(520px, 100%);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  padding: 30px;
  color: #fff;
  background: rgba(22, 61, 56, 0.82);
  box-shadow: var(--shadow);
}

.auth-brand {
  margin-bottom: 28px;
}

.auth-panel h1 {
  margin-bottom: 12px;
  font-size: 32px;
}

.auth-panel p {
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.65;
}

.login-form {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.login-form label {
  display: grid;
  gap: 7px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  font-weight: 800;
}

.login-form input {
  min-height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  padding: 0 12px;
}

.demo-accounts {
  display: grid;
  gap: 6px;
  margin-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 16px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
}

.reset-result {
  margin-top: 16px;
  border-radius: 8px;
  padding: 13px 14px;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.55;
}

.reset-result.hidden {
  display: none;
}

.reset-result.success {
  border: 1px solid rgba(246, 231, 197, 0.48);
  color: #fff7df;
  background: rgba(255, 255, 255, 0.12);
}

.reset-result.error {
  border: 1px solid rgba(255, 180, 180, 0.55);
  color: #ffe2e2;
  background: rgba(179, 75, 75, 0.22);
}

.auth-links {
  margin-top: 14px;
  text-align: center;
}

.auth-links a {
  color: #f6e7c5;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.auth-links a:hover {
  text-decoration: underline;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  display: none;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

.app-shell.ready {
  display: grid;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 28px 20px;
  color: #fff;
  background: linear-gradient(180deg, var(--choir-strong), var(--choir));
  box-shadow: var(--shadow);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 8px;
  color: var(--choir-strong);
  background: #f6e7c5;
  font-weight: 900;
}

.brand strong,
.brand span {
  display: block;
}

.brand span {
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 13px;
}

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

.nav-item {
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.82);
  background: transparent;
  text-align: left;
  padding: 0 14px;
}

.nav-item:hover,
.nav-item.active {
  color: #172e2b;
  background: #f6e7c5;
}

.role-card {
  margin-top: auto;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.role-card label {
  display: block;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
}

.role-card select {
  width: 100%;
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  padding: 0 12px;
}

.role-card p {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 13px;
  line-height: 1.5;
}

.role-card strong {
  display: block;
  line-height: 1.5;
}

.workspace {
  padding: 30px;
}

.topbar,
.section-head,
.panel-head,
.toolbar,
.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.topbar {
  margin-bottom: 28px;
}

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

.eyebrow {
  margin: 0 0 7px;
  color: var(--brass);
  font-size: 13px;
  font-weight: 800;
}

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

h1 {
  margin-bottom: 0;
  font-size: 34px;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: 22px;
}

.sync-pill {
  border: 1px solid rgba(39, 90, 83, 0.24);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--choir-strong);
  background: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  font-weight: 800;
}

.logout-top-button {
  min-height: 34px;
  padding: 0 10px;
  font-size: 13px;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.metric,
.panel,
.editor,
.item-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 24px rgba(29, 36, 51, 0.06);
}

.metric {
  padding: 18px;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.metric strong {
  display: block;
  margin-top: 10px;
  font-size: 34px;
}

.metric.warn strong {
  color: var(--rose);
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: 20px;
}

.panel {
  padding: 20px;
}

.stack-list,
.data-grid,
.stat-stack,
.permission-matrix,
.user-role-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.data-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.weekly-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 16px;
}

.weekly-column {
  display: grid;
  align-content: start;
  gap: 12px;
}

.weekly-column-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid rgba(39, 90, 83, 0.18);
  padding-bottom: 10px;
}

.weekly-column-head h3 {
  margin: 0;
  font-size: 22px;
}

.weekly-column-head span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

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

.weekly-card {
  display: grid;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(29, 36, 51, 0.06);
}

.weekly-card h3 {
  margin: 0;
  font-size: 20px;
}

.weekly-card dl {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  gap: 8px 10px;
  margin: 0;
}

.weekly-card dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.weekly-card dd {
  margin: 0;
  min-width: 0;
}

.notice {
  border: 1px solid rgba(179, 75, 75, 0.28);
  border-radius: 8px;
  padding: 14px 16px;
  color: #7a2f2f;
  background: #fff1f1;
}

.notice.hidden {
  display: none;
}

.item-card {
  padding: 16px;
}

.item-card h3 {
  margin-bottom: 7px;
  font-size: 18px;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 12px 0;
}

.tag {
  border-radius: 999px;
  padding: 6px 9px;
  color: #2d3b4f;
  background: #eef1f5;
  font-size: 12px;
  font-weight: 800;
}

.tag.warn {
  color: #7a2f2f;
  background: #f8dede;
}

.item-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.primary-button,
.ghost-button,
.icon-button,
.small-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0 14px;
  font-weight: 800;
  text-decoration: none;
}

.primary-button {
  color: #fff;
  background: var(--choir);
}

.ghost-button,
.small-button {
  color: var(--choir-strong);
  border-color: rgba(39, 90, 83, 0.22);
  background: #fff;
}

.icon-button {
  width: 40px;
  padding: 0;
  color: var(--choir-strong);
  background: #f6e7c5;
}

.small-button {
  min-height: 34px;
  padding: 0 10px;
  font-size: 13px;
}

.section-head {
  margin-bottom: 16px;
}

.toolbar {
  justify-content: flex-start;
  margin: 16px 0;
}

.toolbar input,
.toolbar select,
.form-grid input,
.form-grid select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  color: var(--ink);
  background: #fff;
}

.toolbar input {
  max-width: 440px;
}

.toolbar select {
  max-width: 190px;
}

.editor {
  margin: 16px 0;
  padding: 18px;
}

.editor.hidden {
  display: none;
}

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

.form-grid label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

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

.form-actions {
  justify-content: flex-end;
  margin-top: 16px;
}

.compact {
  gap: 8px;
}

.log-line {
  border-left: 3px solid var(--brass);
  padding: 9px 11px;
  background: #fffaf0;
  font-size: 13px;
  line-height: 1.45;
}

.stat-row,
.permission-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
}

.permission-row:last-child,
.stat-row:last-child {
  border-bottom: 0;
}

.user-role-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 160px;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #fff;
}

.user-role-row strong,
.user-role-row span {
  display: block;
}

.user-role-row span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 13px;
}

.user-role-row select {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 10px;
  background: #fff;
}

.log-panel {
  margin-top: 20px;
}

.empty-state {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 24px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.72);
  text-align: center;
}

.blocked {
  opacity: 0.45;
  pointer-events: none;
}

.toast {
  position: fixed;
  z-index: 30;
  right: 24px;
  bottom: 24px;
  transform: translateY(18px);
  opacity: 0;
  max-width: min(380px, calc(100vw - 48px));
  border-radius: 8px;
  padding: 14px 16px;
  color: #fff;
  background: var(--ink);
  box-shadow: var(--shadow);
  transition: 180ms ease;
}

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

@media (max-width: 920px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
  }

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

  .metric-grid,
  .weekly-grid,
  .split-layout,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .workspace {
    padding: 20px;
  }
}

@media (max-width: 560px) {
  .topbar,
  .section-head,
  .toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .top-actions {
    align-items: stretch;
    justify-content: flex-start;
  }

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

  h1 {
    font-size: 28px;
  }

  .toolbar input,
  .toolbar select {
    max-width: none;
  }
}