:root {
  --blue: #0b3f9a;
  --green: #0c8e2f;
  --line: #2f63c7;
  --text: #071b4f;
  --muted: #526174;
  --paper: #f7fbff;
  --normal: #03a624;
  --caution: #ffe900;
  --high: #ff7600;
  --critical: #f40c0c;
  --low: #082f86;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 1180px;
  background: #dce7f8;
  color: var(--text);
  font-family: "Tahoma", "Noto Sans Thai", Arial, sans-serif;
}

.hidden {
  display: none !important;
}

.login-view {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #e9f2ff, #f7fbff);
}

.login-box {
  width: min(420px, calc(100vw - 32px));
  padding: 24px;
  border: 1px solid #9cb5df;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 16px 40px rgba(7, 27, 79, 0.14);
}

.login-box h1 {
  margin: 0 0 8px;
  color: var(--blue);
}

.login-box p {
  margin: 0 0 18px;
  color: var(--muted);
}

.login-box label,
.saas-toolbar label {
  display: grid;
  gap: 6px;
  font-weight: 700;
}

.login-box input,
.management input,
.saas-toolbar select {
  width: 100%;
  border: 1px solid #9cb5df;
  border-radius: 6px;
  padding: 9px 10px;
  background: #fff;
}

.login-box button,
.management button,
#logoutButton,
.button-link {
  display: inline-grid;
  place-items: center;
  border: 0;
  border-radius: 6px;
  padding: 9px 14px;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

#logoutButton {
  margin-left: 10px;
  background: #526174;
}

#loginError {
  display: block;
  margin-top: 12px;
  color: #c40000;
  font-weight: 700;
}

.sheet {
  width: 1500px;
  margin: 0 auto;
  min-height: 100vh;
  background: linear-gradient(180deg, #ffffff 0%, #f9fcff 100%);
  border: 2px solid var(--line);
  padding: 14px;
}

.hero {
  display: grid;
  grid-template-columns: 180px 1fr 220px;
  align-items: center;
  gap: 18px;
}

.seal {
  display: grid;
  place-items: center;
  color: #0a7b33;
  font-weight: 800;
}

.seal-mark {
  display: grid;
  place-items: center;
  width: 74px;
  height: 74px;
  margin: 0 auto;
  border: 8px solid #0a7b33;
  border-radius: 50%;
  font-size: 42px;
}

.title-block {
  text-align: center;
}

.title-block h1 {
  margin: 0;
  color: var(--blue);
  font-size: 30px;
  line-height: 1.2;
}

.title-block p {
  margin: 4px 0 12px;
  color: var(--blue);
  font-weight: 700;
  font-size: 18px;
}

.title-block h2 {
  margin: 0;
  color: #08742b;
  font-size: 28px;
}

.month-card {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 10px 8px;
  padding: 16px;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  font-weight: 700;
}

input,
button {
  font: inherit;
}

.month-card input {
  min-width: 0;
  border: 0;
  border-bottom: 2px dotted var(--blue);
  color: var(--blue);
  outline: none;
  background: transparent;
  font-weight: 700;
}

.panel {
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.84);
}

.saas-toolbar {
  display: grid;
  grid-template-columns: 1fr 220px 260px 260px 120px;
  gap: 12px;
  align-items: end;
  margin-top: 12px;
  padding: 12px 14px;
}

.page-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  align-self: stretch;
}

.page-tabs button {
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid #9fb9ee;
  border-radius: 8px;
  background: #eef5ff;
  color: var(--blue);
  font-weight: 800;
}

.page-tabs button.active {
  background: var(--blue);
  color: white;
}

.page-view {
  margin-top: 12px;
}

.management {
  padding: 10px 14px;
}

.management summary {
  color: var(--blue);
  font-size: 18px;
  font-weight: 800;
  cursor: pointer;
}

.management-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-top: 12px;
  align-items: stretch;
}

.management form {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 8px;
  padding: 12px;
  border: 1px solid #bfd0f3;
  border-radius: 8px;
  background: #f8fbff;
  min-height: 178px;
}

.management form button {
  align-self: end;
  width: 100%;
  min-height: 46px;
  padding: 0 14px;
}

.form-message {
  min-height: 18px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.form-message.success {
  color: #047a2f;
}

.form-message.error {
  color: #b42318;
}

.copy-field {
  display: grid;
  gap: 5px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
}

.line-events {
  display: grid;
  gap: 6px;
  max-height: 150px;
  overflow: auto;
  font-size: 12px;
}

.line-events p {
  color: var(--muted);
  line-height: 1.35;
}

.line-event-button {
  display: grid !important;
  grid-template-columns: 48px 1fr;
  gap: 3px 8px;
  width: 100%;
  min-height: 42px !important;
  padding: 6px 8px !important;
  background: #eef5ff !important;
  color: var(--text) !important;
  border: 1px solid #bfd0f3 !important;
  text-align: left;
}

.line-event-button code,
.line-event-button small {
  overflow-wrap: anywhere;
}

.line-event-button small {
  grid-column: 2;
  color: var(--muted);
}

.crud-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 14px;
}

.crud-panel {
  border: 1px solid #bfd0f3;
  border-radius: 8px;
  background: #f8fbff;
  padding: 12px;
}

.crud-panel h3 {
  margin-bottom: 8px;
}

.crud-row {
  display: grid;
  grid-template-columns: 1fr 150px;
  gap: 10px;
  align-items: center;
  padding: 8px 0;
  border-top: 1px solid #d4e0f5;
}

.crud-row div:first-child {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.crud-row span {
  color: var(--muted);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.row-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.row-actions button {
  min-height: 34px;
  padding: 0 8px;
}

.secondary-button {
  background: #526174 !important;
}

.small-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.small-grid label {
  display: grid;
  gap: 5px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
}

.small-grid label span {
  color: var(--muted);
  font-weight: 700;
}

.devices {
  margin-top: 12px;
  padding: 12px 14px;
}

.device-row {
  display: grid;
  grid-template-columns: 220px 210px 1fr;
  gap: 12px;
  align-items: center;
  padding: 8px 0;
  border-top: 1px solid #d4e0f5;
}

.user-row {
  grid-template-columns: 220px 160px 1fr;
}

.device-row code {
  overflow-wrap: anywhere;
}

.danger-button {
  min-height: 34px;
  padding: 0 12px;
  border-radius: 6px;
  background: #c62828;
}

.danger-button:hover {
  background: #a91f1f;
}

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

.alert {
  display: grid;
  gap: 3px;
  padding: 8px;
  border-radius: 6px;
  font-size: 13px;
  background: #eef4ff;
}

.alert.caution {
  background: #fff8bf;
}

.alert.high {
  background: #ffe1bf;
}

.alert.critical {
  background: #ffd1d1;
}

.standards {
  display: grid;
  grid-template-columns: 420px 1fr 260px;
  gap: 20px;
  align-items: stretch;
  margin-top: 12px;
  padding: 12px 14px;
}

.standard-copy {
  display: grid;
  grid-template-columns: 90px 1fr;
  align-items: center;
  gap: 12px;
  border-right: 1px solid #91a9e4;
}

.target {
  color: #f04a20;
  font-size: 68px;
  font-weight: 900;
  line-height: 1;
}

h3 {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 18px;
}

.standard-copy p {
  margin: 10px 0;
  font-size: 21px;
  font-weight: 700;
}

.standard-copy strong {
  color: var(--green);
}

.risk-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.risk {
  min-height: 112px;
  padding: 12px 10px 10px;
  border-radius: 7px;
  text-align: center;
  font-weight: 800;
}

.risk span {
  display: block;
  width: 24px;
  height: 24px;
  margin: 0 auto 4px;
  border-radius: 50%;
}

.risk p {
  margin: 8px 0 0;
  line-height: 1.55;
}

.normal { background: linear-gradient(135deg, #c9efb9, #aee6a6); }
.caution { background: linear-gradient(135deg, #fff7ad, #ffd760); }
.high { background: linear-gradient(135deg, #ffd3a0, #ffad67); }
.critical { background: linear-gradient(135deg, #ffb3b3, #ff777e); }
.normal span { background: var(--normal); }
.caution span { background: var(--caution); border: 2px solid #1a1a1a; }
.high span { background: var(--high); }
.critical span { background: var(--critical); }

.actions {
  border-left: 1px solid #91a9e4;
  padding-left: 16px;
}

.actions ul {
  margin: 0;
  padding-left: 18px;
  color: #111;
  line-height: 1.75;
  font-size: 14px;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 14px;
  padding: 10px 14px;
}

#deviceStatus {
  margin-left: 12px;
  color: var(--muted);
}

.manual-form {
  display: flex;
  gap: 8px;
}

.manual-form input {
  width: 110px;
  padding: 8px 10px;
  border: 1px solid #9cb5df;
  border-radius: 6px;
}

.manual-form button {
  border: 0;
  border-radius: 6px;
  padding: 8px 14px;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

.chart-panel {
  margin-top: 12px;
  overflow: hidden;
}

.chart-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px 0;
}

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

.monitor-grid {
  display: grid;
  grid-template-columns: 116px repeat(var(--days), 1fr);
  grid-template-rows: 34px repeat(5, 40px);
  border-top: 1px solid #7798d2;
}

.cell {
  display: grid;
  place-items: center;
  min-width: 0;
  border-right: 1px solid #7798d2;
  border-bottom: 1px solid #7798d2;
  font-size: 12px;
  font-weight: 700;
  position: relative;
}

.cell.head {
  background: #f7faff;
  color: #111;
}

.cell.label {
  gap: 4px;
  padding: 4px 8px;
  background: #f8fbff;
}

.badge {
  display: grid;
  place-items: center;
  width: 86px;
  height: 26px;
  border-radius: 4px;
  color: #fff;
  font-size: 13px;
}

.badge.caution {
  color: #111;
}

.row-critical { background: linear-gradient(90deg, #ffe5df, #fff0ec); }
.row-high { background: linear-gradient(90deg, #ffeacc, #fff4df); }
.row-caution { background: linear-gradient(90deg, #fffcc4, #fffbe3); }
.row-normal { background: linear-gradient(90deg, #dff5dd, #effbeb); }
.row-low { background: linear-gradient(90deg, #e2f1ff, #f4fbff); }

.reading {
  width: 34px;
  height: 27px;
  display: grid;
  place-items: center;
  border-radius: 5px;
  color: #fff;
  font-size: 12px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.18);
}

.reading.caution {
  color: #111;
}

.bottom {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 12px;
  margin-top: 14px;
}

.bottom .panel {
  padding: 12px 14px;
}

.summary-cards {
  display: grid;
  gap: 14px;
}

.summary-group {
  display: grid;
  gap: 8px;
}

.summary-group h4 {
  margin: 0;
  color: var(--blue);
  font-size: 16px;
}

.summary-group h4 span {
  color: var(--muted);
  font-weight: 700;
}

.summary-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.summary-card {
  padding: 12px;
  border-radius: 9px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  min-height: 112px;
}

.summary-card b {
  display: block;
  margin-bottom: 14px;
}

.summary-card p {
  margin: 8px 0 0;
  color: #111;
}

.range-grid {
  display: grid;
  grid-template-columns: 1fr 90px 30px 1fr 90px 24px;
  gap: 12px 10px;
  align-items: end;
}

.range-grid span {
  color: var(--blue);
  font-weight: 700;
}

.range-grid b {
  border-bottom: 2px dotted var(--blue);
  text-align: center;
  min-height: 22px;
}

.latest-readings {
  margin-top: 18px;
  padding-top: 12px;
  border-top: 1px solid #c9d8f2;
}

.latest-readings h4 {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 16px;
}

.latest-readings-list {
  display: grid;
  gap: 4px;
  max-height: 190px;
  overflow: auto;
}

.latest-row {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr 0.8fr;
  gap: 8px;
  align-items: center;
  padding: 5px 8px;
  border-radius: 5px;
  background: #f4f8ff;
  font-size: 13px;
}

.latest-head {
  background: #e6efff;
  color: var(--blue);
  font-weight: 800;
}

.latest-row b {
  color: #071b4f;
  text-align: right;
}

footer {
  margin-top: 12px;
  color: var(--blue);
  font-weight: 700;
}

code {
  background: #edf3ff;
  border: 1px solid #bfd0f3;
  border-radius: 4px;
  padding: 1px 5px;
}

@media (max-width: 900px) {
  body {
    min-width: 0;
  }

  .sheet {
    width: 100%;
    overflow-x: auto;
  }

  .management-grid,
  .crud-grid,
  .saas-toolbar {
    grid-template-columns: 1fr;
  }

  .crud-row {
    grid-template-columns: 1fr;
  }
}