:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #edf3f8;
  --text: #182331;
  --muted: #687587;
  --line: #dce5ef;
  --primary: #1769aa;
  --primary-strong: #0f4f85;
  --accent: #1b8a6b;
  --warning: #c47b17;
  --danger: #b93848;
  --shadow: 0 18px 46px rgba(20, 34, 55, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

body.dark {
  --bg: #101820;
  --surface: #16222d;
  --surface-soft: #1e2c38;
  --text: #eef4f8;
  --muted: #9aabb8;
  --line: #2b3b49;
  --primary: #5aa9e6;
  --primary-strong: #94cfff;
  --shadow: 0 18px 46px rgba(0, 0, 0, 0.25);
}

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

button {
  cursor: pointer;
}

.hidden {
  display: none !important;
}

.login-screen {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(320px, 480px) 1fr;
  background:
    linear-gradient(120deg, rgba(23, 105, 170, 0.9), rgba(27, 138, 107, 0.78)),
    radial-gradient(circle at 78% 18%, rgba(255, 255, 255, 0.24), transparent 25%),
    linear-gradient(135deg, #10344f, #0f684f);
}

.login-panel {
  padding: clamp(24px, 5vw, 56px);
  background: rgba(255, 255, 255, 0.94);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.brand-mark {
  width: 58px;
  height: 58px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: var(--shadow);
}

.brand-mark.small {
  width: 42px;
  height: 42px;
  font-size: 14px;
}

.login-panel h1 {
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.02;
  margin: 24px 0 14px;
  letter-spacing: 0;
}

.login-panel p {
  color: #516070;
  line-height: 1.7;
  margin: 0 0 28px;
}

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

.login-form h3 {
  margin: 8px 0 0;
}

.login-links {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

label {
  display: grid;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  padding: 11px 12px;
  outline: none;
}

textarea {
  min-height: 220px;
  resize: vertical;
  line-height: 1.55;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(23, 105, 170, 0.15);
}

.primary-btn,
.secondary-btn,
.ghost-btn,
.icon-btn,
.link-btn,
.tab-btn,
.nav-item {
  border: 0;
  border-radius: 8px;
  min-height: 42px;
  padding: 10px 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 750;
  color: var(--text);
}

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

.primary-btn:hover {
  background: var(--primary-strong);
}

.secondary-btn {
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

.ghost-btn,
.link-btn {
  background: transparent;
}

.icon-btn {
  width: 42px;
  padding: 0;
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

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

svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.text-icon {
  width: 22px;
  min-width: 22px;
  height: 22px;
  border-radius: 6px;
  display: inline-grid;
  place-items: center;
  background: rgba(23, 105, 170, 0.12);
  color: var(--primary);
  font-size: 9px;
  font-style: normal;
  font-weight: 900;
  line-height: 1;
}

.login-visual {
  position: relative;
  display: grid;
  place-items: center;
  padding: 42px;
  overflow: hidden;
}

.signal-card {
  width: min(420px, 85%);
  padding: 28px;
  border-radius: 8px;
  color: #fff;
  background: rgba(9, 24, 38, 0.56);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.24);
  z-index: 2;
}

.signal-card span,
.signal-card small {
  display: block;
  color: rgba(255, 255, 255, 0.78);
}

.signal-card strong {
  display: block;
  font-size: clamp(38px, 6vw, 68px);
  margin: 8px 0;
}

.map-grid {
  position: absolute;
  inset: 10%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  opacity: 0.48;
}

.map-grid span {
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 8px;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 22px;
  background: var(--surface);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.app-title strong,
.app-title span {
  display: block;
}

.app-title span {
  color: var(--muted);
  font-size: 12px;
}

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

.nav-item {
  justify-content: flex-start;
  background: transparent;
  color: var(--muted);
}

.nav-item.active,
.nav-item:hover {
  color: var(--text);
  background: var(--surface-soft);
}

.main-area {
  min-width: 0;
  padding: 24px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 22px;
}

.eyebrow {
  display: block;
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.topbar h2 {
  margin: 5px 0 0;
  font-size: clamp(26px, 4vw, 38px);
  letter-spacing: 0;
}

.topbar-actions,
.action-row,
.table-tools,
.pagination,
.input-tabs {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page {
  display: none;
}

.page.active {
  display: grid;
  gap: 22px;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(140px, 1fr));
  gap: 14px;
}

.kpi-card,
.panel,
.report-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 22px rgba(20, 34, 55, 0.05);
}

.kpi-card {
  padding: 18px;
  display: grid;
  gap: 8px;
}

.kpi-card span,
.kpi-card small {
  color: var(--muted);
  font-size: 12px;
}

.kpi-card strong {
  font-size: 28px;
}

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

.content-grid.two {
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.7fr);
}

.converter-grid {
  grid-template-columns: minmax(360px, 1.1fr) minmax(320px, 0.9fr);
}

.panel {
  padding: 18px;
  min-width: 0;
}

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

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

.panel h3 {
  margin: 0;
  font-size: 18px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 10px;
  border-radius: 999px;
  color: #0b6b52;
  background: rgba(27, 138, 107, 0.13);
  font-size: 12px;
  font-weight: 800;
}

.tab-btn {
  background: var(--surface-soft);
}

.tab-btn.active {
  background: var(--text);
  color: var(--surface);
}

.upload-box {
  margin: 12px 0;
  padding: 18px;
  border: 1px dashed var(--primary);
  border-radius: 8px;
  background: var(--surface-soft);
  display: grid;
  gap: 10px;
}

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

.form-grid textarea {
  grid-column: 1 / -1;
  min-height: 82px;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 980px;
}

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

th {
  position: sticky;
  top: 0;
  background: var(--surface-soft);
  color: var(--muted);
  cursor: pointer;
  z-index: 1;
}

td input {
  min-width: 120px;
  padding: 7px 8px;
}

.row-delete {
  color: var(--danger);
}

.pagination {
  justify-content: flex-end;
  margin-top: 12px;
}

.leaderboard,
.employee-grid,
.report-band,
.heatmap {
  display: grid;
  gap: 12px;
}

.leader-item,
.employee-card,
.attendance-card {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
}

.leader-item,
.employee-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.employee-grid {
  grid-template-columns: repeat(3, minmax(220px, 1fr));
}

.employee-card {
  align-items: flex-start;
}

.employee-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.employee-card div span,
.leader-item span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-top: 4px;
}

.badge {
  border-radius: 999px;
  padding: 6px 9px;
  font-weight: 800;
  font-size: 12px;
  background: rgba(23, 105, 170, 0.12);
  color: var(--primary);
}

.attendance-card {
  display: grid;
  place-items: center;
  min-height: 260px;
  text-align: center;
  gap: 10px;
}

.attendance-card svg {
  width: 48px;
  height: 48px;
  color: var(--accent);
}

.report-band {
  grid-template-columns: repeat(4, minmax(180px, 1fr));
}

.report-card {
  text-align: left;
  padding: 18px;
  display: grid;
  gap: 8px;
}

.report-card span {
  color: var(--muted);
  line-height: 1.5;
}

.heatmap {
  grid-template-columns: repeat(7, 1fr);
}

.heat-cell {
  aspect-ratio: 1;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}

.settings-panel {
  max-width: 680px;
  display: grid;
  gap: 14px;
}

.settings-panel label {
  grid-template-columns: 22px 1fr;
  align-items: center;
  color: var(--text);
  font-size: 15px;
}

.settings-panel input {
  width: auto;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  padding: 12px 16px;
  border-radius: 8px;
  background: var(--text);
  color: var(--surface);
  box-shadow: var(--shadow);
  z-index: 10;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(10, 18, 28, 0.5);
}

.modal-panel {
  width: min(760px, 100%);
  max-height: 92vh;
  overflow: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 18px;
}

.inline-control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

@media (max-width: 1160px) {
  .kpi-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .content-grid.two,
  .converter-grid,
  .report-band {
    grid-template-columns: 1fr;
  }

  .employee-grid {
    grid-template-columns: repeat(2, minmax(220px, 1fr));
  }
}

@media (max-width: 760px) {
  .login-screen,
  .app-shell {
    grid-template-columns: 1fr;
  }

  .login-visual {
    display: none;
  }

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

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

  .main-area {
    padding: 16px;
  }

  .topbar,
  .leader-item,
  .employee-card {
    align-items: flex-start;
    flex-direction: column;
  }

  .kpi-grid,
  .employee-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .table-tools {
    width: 100%;
  }

  .table-tools input,
  .table-tools select {
    min-width: 100%;
  }
}