:root {
  --app-primary: #1677ff;
  --app-primary-dark: #0d47a1;
  --app-primary-soft: #e6f3ff;
  --app-accent: #00bfa6;
  --app-accent-soft: #e5fbf7;
  --app-bg: #f5f9fc;
  --app-bg-elevated: #f9fcff;
  --app-surface: #ffffff;
  --app-text: #0d1b2a;
  --app-muted: #5f6f86;
  --app-muted-2: #8291a8;
  --app-border: #dbe7f3;
  --app-border-strong: #bfd2e7;
  --app-success: #00bfa6;
  --app-success-soft: #e6fbf7;
  --app-warning: #f59e0b;
  --app-warning-soft: #fff7e6;
  --app-danger: #ef4444;
  --app-danger-soft: #fff1f2;
  --app-info: #1677ff;
  --app-info-soft: #e6f3ff;
  --app-radius: 1rem;
  --app-radius-sm: 0.7rem;
  --app-shadow: 0 14px 34px rgba(13, 27, 42, 0.08);
  --app-shadow-soft: 0 8px 22px rgba(13, 27, 42, 0.06);
  --app-focus: 0 0 0 0.18rem rgba(22, 119, 255, 0.22);
}

html {
  font-size: 14px;
  min-height: 100%;
  position: relative;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--app-text);
  background:
    radial-gradient(circle at 16% 8%, rgba(22, 119, 255, 0.10), transparent 32rem),
    radial-gradient(circle at 82% 18%, rgba(0, 191, 166, 0.10), transparent 28rem),
    linear-gradient(180deg, #fbfdff 0%, var(--app-bg) 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: var(--app-primary-dark);
  text-decoration-color: rgba(13, 71, 161, 0.28);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--app-primary);
}

code {
  color: #0d47a1;
  background: rgba(22, 119, 255, 0.08);
  border-radius: 0.4rem;
  padding: 0.08rem 0.28rem;
}

.text-muted {
  color: var(--app-muted) !important;
}

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-main {
  flex: 1 0 auto;
  width: 100%;
}

.app-page-loading {
  position: fixed;
  inset: 0;
  z-index: 1025;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6.5rem 1rem 1rem;
  background: rgba(245, 249, 252, 0.68);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.16s ease, visibility 0.16s ease;
  backdrop-filter: blur(3px);
}

.app-page-loading.app-loading-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.app-page-loading-panel {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  min-width: min(100%, 18rem);
  padding: 0.95rem 1.1rem;
  color: var(--app-text);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius-sm);
  box-shadow: var(--app-shadow-soft);
  font-weight: 680;
}

.app-page-loading .spinner-border {
  width: 1.35rem;
  height: 1.35rem;
  flex: 0 0 auto;
  border-width: 0.16rem;
}

@media (prefers-reduced-motion: reduce) {
  .app-page-loading {
    transition: none;
  }

  .app-page-loading .spinner-border {
    animation: none;
  }
}

.app-main > .container {
  padding-top: 1.75rem;
  padding-bottom: 3rem;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(219, 231, 243, 0.92);
  box-shadow: 0 10px 28px rgba(13, 27, 42, 0.05);
  backdrop-filter: blur(16px);
}

.app-header .navbar {
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}

.app-brand {
  display: inline-flex;
  align-items: center;
  color: var(--app-text);
  font-weight: 780;
  letter-spacing: 0;
  text-decoration: none;
  min-width: 0;
}

.app-brand:hover {
  color: var(--app-text);
}

.app-brand-logo {
  width: clamp(12rem, 18vw, 16rem);
  max-height: 3.65rem;
  display: block;
  object-fit: contain;
}

.app-nav {
  gap: 0.15rem;
}

.app-nav .nav-link {
  color: var(--app-muted);
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 660;
  padding: 0.52rem 0.78rem;
}

.app-nav .nav-link:hover {
  color: var(--app-primary-dark);
  background: var(--app-primary-soft);
}

.app-nav .nav-link.active {
  color: #fff !important;
  background: linear-gradient(135deg, var(--app-primary), #0f63d9);
  box-shadow: 0 10px 22px rgba(22, 119, 255, 0.20);
}

.app-user {
  align-items: center;
  gap: 0.55rem;
}

.app-user-name {
  color: var(--app-muted);
  font-size: 0.9rem;
  font-weight: 650;
}

.app-footer {
  flex-shrink: 0;
  color: var(--app-muted);
  background: rgba(255, 255, 255, 0.76);
  border-top: 1px solid var(--app-border);
}

.app-footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.15rem 0;
  font-size: 0.9rem;
}

.app-footer-brand {
  color: var(--app-text);
  font-weight: 760;
}

.app-page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.35rem;
}

.app-page-kicker {
  color: var(--app-accent);
  font-size: 0.78rem;
  font-weight: 780;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.app-page-title {
  margin: 0.18rem 0 0;
  color: var(--app-text);
  font-size: clamp(1.55rem, 2.5vw, 2.35rem);
  font-weight: 800;
  line-height: 1.08;
}

.app-page-subtitle {
  max-width: 48rem;
  margin: 0.55rem 0 0;
  color: var(--app-muted);
}

.app-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
}

.app-card,
.app-form-card,
.app-chart-card,
.app-stat-card {
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
  box-shadow: var(--app-shadow-soft);
}

.app-card,
.app-form-card,
.app-chart-card {
  padding: 1.15rem;
}

.app-stat-card {
  height: 100%;
  padding: 1rem;
  overflow: hidden;
  position: relative;
}

.app-stat-card::after {
  content: "";
  position: absolute;
  right: -1.5rem;
  bottom: -1.8rem;
  width: 6rem;
  height: 6rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(22, 119, 255, 0.10), transparent 68%);
}

.app-stat-label {
  color: var(--app-muted);
  font-size: 0.82rem;
  font-weight: 720;
}

.app-stat-value {
  margin-top: 0.25rem;
  color: var(--app-text);
  font-size: clamp(1.7rem, 3vw, 2.45rem);
  font-weight: 820;
  line-height: 1;
}

.app-stat-unit {
  color: var(--app-muted);
  font-size: 0.86rem;
  font-weight: 660;
}

.app-stat-note {
  margin-top: 0.52rem;
  color: var(--app-muted);
  font-size: 0.84rem;
}

.app-stat-grid {
  margin-bottom: 1.35rem;
}

.app-section-title {
  margin-bottom: 0.25rem;
  color: var(--app-text);
  font-size: 1.05rem;
  font-weight: 780;
}

.app-muted-text {
  color: var(--app-muted);
}

.print-only {
  display: none !important;
}

.btn {
  border-radius: 0.72rem;
  font-weight: 700;
  padding: 0.58rem 0.9rem;
}

.btn-sm {
  border-radius: 0.62rem;
  padding: 0.38rem 0.66rem;
}

.btn-primary {
  color: #fff;
  border-color: var(--app-primary);
  background: linear-gradient(135deg, var(--app-primary), #0f63d9);
  box-shadow: 0 12px 24px rgba(22, 119, 255, 0.20);
}

.btn-primary:hover,
.btn-primary:active {
  border-color: var(--app-primary-dark) !important;
  background: linear-gradient(135deg, #0f63d9, var(--app-primary-dark)) !important;
}

.btn-outline-secondary {
  color: var(--app-primary-dark);
  border-color: var(--app-border-strong);
  background: rgba(255, 255, 255, 0.78);
}

.btn-outline-secondary:hover,
.btn-outline-secondary:active {
  color: var(--app-primary-dark) !important;
  border-color: rgba(22, 119, 255, 0.38) !important;
  background: var(--app-primary-soft) !important;
}

.btn-link {
  color: var(--app-primary-dark);
  font-weight: 700;
  text-decoration: none;
}

.btn-link:hover {
  color: var(--app-primary);
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-select:focus,
.form-check-input:focus {
  border-color: rgba(22, 119, 255, 0.58);
  box-shadow: var(--app-focus);
}

.form-label {
  color: var(--app-text);
  font-size: 0.84rem;
  font-weight: 720;
}

.form-control,
.form-select {
  color: var(--app-text);
  border-color: var(--app-border);
  border-radius: 0.74rem;
  background-color: #fff;
  padding: 0.62rem 0.78rem;
}

.form-select,
.form-select-sm {
  padding-right: 2.45rem;
}

#patternBucketMinutes {
  min-width: 9.25rem;
}

.form-control::placeholder {
  color: var(--app-muted-2);
}

.form-check-input {
  border-color: var(--app-border-strong);
}

.form-check-input:checked {
  border-color: var(--app-primary);
  background-color: var(--app-primary);
}

.validation-summary-errors,
.field-validation-error,
.text-danger {
  color: #b42318 !important;
}

.validation-summary-valid {
  display: none;
}

.alert {
  border: 1px solid transparent;
  border-radius: var(--app-radius-sm);
  box-shadow: var(--app-shadow-soft);
}

.alert-info {
  color: #0d47a1;
  border-color: rgba(22, 119, 255, 0.20);
  background: var(--app-info-soft);
}

.alert-success {
  color: #04746a;
  border-color: rgba(0, 191, 166, 0.24);
  background: var(--app-success-soft);
}

.alert-warning,
.table-warning {
  color: #8a4b00;
  border-color: rgba(245, 158, 11, 0.25);
  background: var(--app-warning-soft) !important;
}

.alert-danger {
  color: #991b1b;
  border-color: rgba(239, 68, 68, 0.24);
  background: var(--app-danger-soft);
}

.app-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 1.55rem;
  padding: 0.22rem 0.58rem;
  color: var(--app-primary-dark);
  border: 1px solid rgba(22, 119, 255, 0.16);
  border-radius: 999px;
  background: var(--app-primary-soft);
  font-size: 0.78rem;
  font-weight: 760;
  white-space: nowrap;
}

.app-badge-success {
  color: #04746a;
  border-color: rgba(0, 191, 166, 0.20);
  background: var(--app-success-soft);
}

.app-badge-warning {
  color: #9a5a00;
  border-color: rgba(245, 158, 11, 0.25);
  background: var(--app-warning-soft);
}

.app-badge-danger {
  color: #b42318;
  border-color: rgba(239, 68, 68, 0.24);
  background: var(--app-danger-soft);
}

.table-responsive,
.app-table-wrap {
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius-sm);
  background: var(--app-surface);
  box-shadow: var(--app-shadow-soft);
}

.table {
  color: var(--app-text);
  margin-bottom: 0;
}

.table > :not(caption) > * > * {
  padding: 0.78rem 0.82rem;
  border-bottom-color: var(--app-border);
}

.table thead th {
  color: var(--app-muted);
  background: var(--app-bg-elevated);
  font-size: 0.78rem;
  font-weight: 780;
  letter-spacing: 0.02em;
}

.table tbody tr:hover {
  background: rgba(22, 119, 255, 0.035);
}

.progress {
  height: 0.85rem;
  border-radius: 999px;
  background: #eaf2fb;
}

.progress-bar {
  border-radius: 999px;
  background: linear-gradient(90deg, var(--app-primary), var(--app-accent));
  font-size: 0.72rem;
  font-weight: 760;
}

.app-login-page {
  min-height: calc(100vh - 8rem);
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  display: flex;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.72) 0%, rgba(255, 255, 255, 0.50) 28%, rgba(255, 255, 255, 0.08) 54%, rgba(255, 255, 255, 0) 100%),
    url("/img/login-hero.png") center center / cover no-repeat;
  padding: clamp(2rem, 5vw, 5rem) 0;
}

.app-login-overlay {
  width: min(100% - 2rem, 1320px);
  margin: 0 auto;
  display: flex;
  justify-content: flex-start;
  align-items: center;
}

.app-login-card {
  position: relative;
  z-index: 1;
  width: min(100%, 25.5rem);
  margin-left: clamp(0rem, 3vw, 3.2rem);
  padding: clamp(1.25rem, 3vw, 2rem);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
}

.dashboard-chart,
.surface-chart,
.daily-glucose-chart {
  width: 100%;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: var(--app-surface);
  box-shadow: none;
}

.dashboard-chart {
  min-height: 420px;
}

.dashboard-chart-compact {
  min-height: 340px;
}

.range-percent-table-wrap {
  box-shadow: none;
}

.range-percent-table {
  width: 100%;
  min-width: 0;
  table-layout: fixed;
  font-size: 0.86rem;
}

.range-percent-table tbody th,
.range-percent-table tbody td {
  white-space: nowrap;
}

.range-percent-table thead th {
  line-height: 1.12;
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: normal;
  vertical-align: bottom;
}

.range-percent-table th:first-child {
  width: 13.5rem;
}

.range-percent-table th:nth-child(2),
.range-percent-table td:nth-child(2) {
  width: 5.25rem;
  text-align: right;
}

.range-percent-table td:not(:first-child) {
  text-align: right;
}

.range-percent-range-heading {
  max-width: 6.8rem;
  text-align: center;
}

.range-percent-heading-label {
  display: inline-flex;
  flex-direction: column;
  gap: 0.08rem;
  align-items: center;
}

.range-percent-heading-label span {
  display: block;
}

.range-percent-swatch {
  display: block;
  width: 0.72rem;
  height: 0.72rem;
  margin: 0 auto 0.28rem;
  border: 1px solid rgba(13, 27, 42, 0.16);
}

.surface-chart {
  min-height: 680px;
}

.daily-glucose-chart {
  min-height: 300px;
}

.dashboard-availability {
  padding: 1rem;
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
  background: var(--app-surface);
  box-shadow: var(--app-shadow-soft);
}

.dashboard-availability-bar {
  display: flex;
  width: 100%;
  min-height: 1.35rem;
  overflow: hidden;
  border: 1px solid var(--app-border);
  border-radius: 999px;
  background-color: #edf4fb;
}

.dashboard-availability-day {
  flex: 1 1 0;
  min-width: 0;
}

.dashboard-availability-day-data {
  background: linear-gradient(180deg, #20d6bc, var(--app-accent));
}

.dashboard-availability-day-gap {
  background-color: #e9eff6;
}

.dashboard-range-bar {
  min-height: 2.25rem;
}

.daily-report-day {
  background: var(--app-surface);
  border-color: var(--app-border) !important;
  border-radius: var(--app-radius) !important;
  box-shadow: var(--app-shadow-soft);
}

.daily-report-metric {
  height: 100%;
  padding: 0.85rem;
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius-sm);
  background: var(--app-bg-elevated);
}

.daily-range-bar {
  display: flex;
  width: 100%;
  min-height: 2rem;
  overflow: hidden;
  border: 1px solid var(--app-border);
  border-radius: 999px;
  background-color: #edf4fb;
}

.daily-range-segment {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  color: #0d1b2a;
  font-size: 0.8rem;
  font-weight: 760;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.45);
}

.daily-range-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-top: 0.65rem;
  color: var(--app-muted);
  font-size: 0.875rem;
}

.daily-range-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
}

.daily-range-dot {
  width: 0.65rem;
  height: 0.65rem;
  display: inline-block;
  flex: 0 0 auto;
  border-radius: 50%;
}

.daily-range-target {
  background-color: var(--app-success);
}

.daily-range-very-low {
  background-color: #b91c1c;
}

.daily-range-low {
  background-color: #ea580c;
}

.daily-range-high {
  background-color: var(--app-warning);
}

.daily-range-very-high {
  background-color: var(--app-danger);
}

.daily-measurement-table-wrap {
  width: 100%;
  overflow-x: visible;
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius-sm);
  background: var(--app-surface);
}

.daily-measurement-table {
  width: 100%;
  table-layout: fixed;
  text-align: center;
}

.daily-measurement-table th,
.daily-measurement-table td {
  width: 4.166%;
  padding: 0.15rem;
  font-size: clamp(0.62rem, 0.85vw, 0.8rem);
}

.daily-measurement-low {
  background-color: #ffe4e6 !important;
}

.daily-measurement-high {
  background-color: #fff7d6 !important;
}

.daily-measurement-normal {
  background-color: #f8fbff !important;
}

.daily-measurement-range {
  color: #0d1b2a;
  font-weight: 700;
}

.glucose-settings-form {
  max-width: 68rem;
}

.glucose-color-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1rem;
}

.glucose-color-grid .form-control-color {
  width: 100%;
  height: 2.75rem;
}

.month-navigation {
  padding: 0.8rem;
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--app-shadow-soft);
}

.metric-list {
  display: grid;
  gap: 0.65rem;
}

.metric-list-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.metric-list-row span {
  color: var(--app-muted);
}

.metric-list-row strong {
  color: var(--app-text);
}

.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
  text-align: start;
}

@media (max-width: 991.98px) {
  .app-brand-logo {
    width: 10.5rem;
    max-height: 3rem;
  }

  .app-login-page {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.76) 0%, rgba(255, 255, 255, 0.62) 44%, rgba(255, 255, 255, 0.34) 100%),
      url("/img/login-hero.png") 58% center / cover no-repeat;
  }

  .app-login-overlay {
    justify-content: center;
  }

  .app-login-card {
    margin-left: 0;
  }

  .app-user {
    align-items: flex-start;
    padding-top: 0.5rem;
  }
}

@media (max-width: 767.98px) {
  .app-main > .container {
    padding-top: 1.15rem;
  }

  .app-page-title {
    font-size: 1.55rem;
  }

  .surface-chart {
    min-height: 520px;
  }

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

  .daily-measurement-table {
    min-width: 680px;
  }

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

  .app-login-page {
    min-height: calc(100vh - 7rem);
    padding: 1.2rem 0 2rem;
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.88) 0%, rgba(255, 255, 255, 0.74) 100%),
      url("/img/login-hero.png") 62% center / cover no-repeat;
  }
}