:root {
  --bg: #f3efe7;
  --panel: rgba(255, 255, 255, 0.84);
  --panel-strong: #ffffff;
  --ink: #1f2a33;
  --muted: #5f6e78;
  --line: rgba(31, 42, 51, 0.12);
  --primary: #0f766e;
  --primary-dark: #0d5e58;
  --secondary: #ef8b33;
  --accent: #133b5c;
  --danger: #b42318;
  --shadow: 0 24px 48px rgba(19, 59, 92, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --font-main: "Segoe UI Variable Text", "Aptos", "Manrope", "Segoe UI", system-ui, sans-serif;
}

html {
  font-size: 15px;
  min-height: 100%;
}

body {
  min-height: 100vh;
  font-family: var(--font-main);
  color: var(--ink);
  background:
    radial-gradient(circle at top right, rgba(15, 118, 110, 0.18), transparent 24%),
    radial-gradient(circle at left center, rgba(239, 139, 51, 0.16), transparent 22%),
    linear-gradient(180deg, #faf7f2 0%, #f0ebe3 100%);
}

a {
  color: var(--accent);
}

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

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
}

.btn-outline-primary {
  color: var(--primary);
  border-color: rgba(15, 118, 110, 0.36);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background-color: rgba(15, 118, 110, 0.08);
  color: var(--primary-dark);
  border-color: var(--primary);
}

.btn-outline-danger {
  color: var(--danger);
  border-color: rgba(180, 35, 24, 0.3);
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-select:focus,
.form-check-input:focus {
  box-shadow: 0 0 0 0.25rem rgba(15, 118, 110, 0.16);
  border-color: rgba(15, 118, 110, 0.4);
}

.app-shell {
  min-height: 100vh;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 1020;
  backdrop-filter: blur(18px);
  background: linear-gradient(180deg, rgba(19, 59, 92, 0.96), rgba(19, 59, 92, 0.86));
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.navbar {
  padding-block: 0.85rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-mark__badge {
  display: inline-grid;
  place-items: center;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 0.9rem;
  background: linear-gradient(135deg, var(--secondary), #ffd48c);
  color: #14212d;
}

.nav-link {
  color: rgba(255, 255, 255, 0.82) !important;
}

.nav-link:hover,
.nav-link:focus {
  color: #ffffff !important;
}

.nav-categories-menu {
  min-width: 16rem;
  border: 1px solid rgba(19, 59, 92, 0.14);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  padding-block: 0.55rem;
}

.nav-categories-menu .dropdown-header {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-categories-menu .dropdown-item {
  font-weight: 600;
  color: var(--ink);
}

.nav-categories-menu .dropdown-item:hover,
.nav-categories-menu .dropdown-item:focus {
  background-color: rgba(15, 118, 110, 0.08);
  color: var(--primary-dark);
}

.nav-user {
  display: inline-flex;
  align-items: center;
  min-height: 2.25rem;
  padding-inline: 0.2rem;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.94rem;
}

.auth-nav-form {
  margin: 0;
}

.surface-alert,
.surface-card,
.hero-panel,
.stats-panel,
.menu-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.surface-card,
.stats-panel {
  background: var(--panel);
  backdrop-filter: blur(18px);
  padding: 1.5rem;
}

.surface-alert {
  background: rgba(255, 255, 255, 0.84);
}

.hero-shell {
  margin-top: 0.25rem;
}

.hero-panel {
  background:
    linear-gradient(160deg, rgba(19, 59, 92, 0.98) 0%, rgba(15, 118, 110, 0.92) 100%);
  color: #ffffff;
  padding: 2rem;
}

.display-title {
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.02;
  margin: 0.65rem 0 1rem;
  font-weight: 800;
}

.hero-copy,
.page-copy,
.section-heading p,
.menu-card p,
.tag-card p,
.form-hint,
.empty-state,
.setup-note,
.status-banner p,
.preview-card small {
  color: var(--muted);
}

.hero-copy {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.02rem;
  max-width: 52rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--secondary);
}

.page-heading h1,
.section-heading h2 {
  margin: 0;
  font-weight: 800;
}

.page-heading h1 {
  font-size: clamp(1.75rem, 3vw, 2.6rem);
  margin-top: 0.45rem;
}

.section-heading {
  margin-bottom: 1.2rem;
}

.section-heading p,
.page-copy,
.status-banner p,
.tag-card p {
  margin: 0.35rem 0 0;
}

.stats-panel {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(246, 250, 251, 0.82) 100%);
}

.metric-card {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(15, 118, 110, 0.12);
  border-radius: var(--radius-md);
  padding: 1rem;
  min-height: 8.2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.metric-card__label {
  color: var(--muted);
  font-size: 0.92rem;
}

.metric-card__value {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  line-height: 1;
}

.setup-note,
.info-chip,
.status-banner,
.preview-card,
.tag-card,
.stack-list__item {
  border: 1px solid rgba(15, 118, 110, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.74);
}

.setup-note,
.info-chip {
  padding: 0.95rem 1rem;
}

.info-chip--inline {
  padding: 0.3rem 0.55rem;
  font-size: 0.8rem;
}

.menu-card {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  height: 100%;
  padding: 1.4rem;
  text-decoration: none;
  color: inherit;
  background: rgba(255, 255, 255, 0.78);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.menu-card:hover {
  transform: translateY(-3px);
  border-color: rgba(15, 118, 110, 0.22);
}

.menu-card__icon {
  display: inline-grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.16), rgba(239, 139, 51, 0.18));
  font-weight: 800;
  color: var(--accent);
}

.stack-list {
  display: grid;
  gap: 0.75rem;
}

.stack-list__item,
.tag-card {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
}

.status-banner,
.preview-card {
  padding: 1rem 1.1rem;
}

.status-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.preview-card__label {
  display: block;
  font-size: 0.9rem;
  color: var(--muted);
}

.preview-card__value {
  display: block;
  font-size: 2rem;
  line-height: 1.1;
  margin-block: 0.35rem;
}

.history-header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1rem;
}

.history-shell canvas {
  max-width: 100%;
}

.chart-frame {
  position: relative;
  min-height: 240px;
}

.empty-state {
  padding: 1.5rem;
  border: 1px dashed rgba(31, 42, 51, 0.18);
  border-radius: var(--radius-md);
  text-align: center;
}

.camera-reader {
  min-height: 260px;
}

.camera-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.camera-feedback {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(31, 42, 51, 0.12);
  background: rgba(255, 255, 255, 0.8);
}

.camera-feedback--warning {
  border-color: rgba(239, 139, 51, 0.28);
  color: #8a4b12;
}

.camera-feedback--success {
  border-color: rgba(15, 118, 110, 0.28);
  color: var(--primary-dark);
}

.camera-feedback--danger {
  border-color: rgba(180, 35, 24, 0.28);
  color: var(--danger);
}

.camera-access-note {
  padding: 1rem 1.1rem;
  border: 1px solid rgba(15, 118, 110, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.78);
}

.camera-access-note__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
}

.camera-access-note__header strong {
  font-size: 0.96rem;
}

.camera-access-note--success {
  border-color: rgba(15, 118, 110, 0.22);
  background: rgba(238, 250, 248, 0.92);
}

.camera-access-note--warning {
  border-color: rgba(239, 139, 51, 0.24);
  background: rgba(255, 249, 240, 0.94);
}

.camera-access-note--danger {
  border-color: rgba(180, 35, 24, 0.24);
  background: rgba(255, 245, 245, 0.94);
}

.camera-access-link {
  display: inline-flex;
  margin-top: 0.7rem;
  font-weight: 700;
  text-decoration: none;
}

.camera-access-link:hover,
.camera-access-link:focus {
  text-decoration: underline;
}

.auth-shell {
  display: flex;
  justify-content: center;
  align-items: stretch;
  padding-block: 1rem;
}

.auth-card {
  width: 100%;
  max-width: 42rem;
}

.auth-note {
  color: var(--muted);
}

.form-label {
  font-weight: 700;
  color: var(--ink);
}

.form-control,
.form-select {
  border-radius: 0.95rem;
  border-color: rgba(31, 42, 51, 0.12);
  min-height: 3rem;
}

textarea.form-control {
  min-height: inherit;
}

input.form-control:not([type]):not([data-preserve-case='true']),
input.form-control[type="text"]:not([data-preserve-case='true']),
input.form-control[type="search"]:not([data-preserve-case='true']),
input.form-control[type="tel"]:not([data-preserve-case='true']),
textarea.form-control:not([data-preserve-case='true']) {
  text-transform: uppercase;
}

.table {
  --bs-table-bg: transparent;
}

.table thead th {
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.modal-content {
  border: 1px solid rgba(31, 42, 51, 0.08);
  border-radius: var(--radius-lg);
}

@media (max-width: 991.98px) {
  .app-header {
    position: static;
  }

  .hero-panel,
  .surface-card,
  .stats-panel,
  .menu-card {
    border-radius: 1.3rem;
  }

  .display-title {
    line-height: 1.08;
  }
}