:root {
  --navy: #0B1F33;
  --navy-2: #102A43;
  --blue: #123A56;
  --cream: #F4EFE6;
  --cream-soft: #FAF7F2;
  --white: #FFFFFF;
  --slate: #5B6770;
  --gold: #C6A15B;
  --gold-2: #D4AF67;
  --danger: #A23E3E;
  --danger-bg: #F7ECEA;
  --border: rgba(16, 42, 67, 0.12);
  --shadow: 0 16px 40px rgba(11, 31, 51, 0.12);
  --shadow-sm: 0 8px 20px rgba(11, 31, 51, 0.08);
  --radius: 18px;
  --radius-sm: 12px;
  --focus: 0 0 0 3px rgba(198, 161, 91, 0.28);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--cream-soft);
  color: var(--navy);
  line-height: 1.55;
}
a { color: inherit; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}
.skip-link {
  position: absolute;
  left: -999px;
  top: 1rem;
  background: var(--white);
  color: var(--navy);
  padding: 0.7rem 1rem;
  border-radius: 999px;
  z-index: 999;
}
.skip-link:focus { left: 1rem; }
.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 31, 51, 0.96);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
}
.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}
.brand-lockup {
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
}
.brand-kicker {
  color: var(--gold-2);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.brand-name {
  color: var(--white);
  font-weight: 700;
  font-size: 1.06rem;
}
.primary-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.primary-nav a,
.nav-toggle {
  color: var(--cream);
  text-decoration: none;
  padding: 0.7rem 0.95rem;
  border-radius: 999px;
  background: transparent;
  border: 0;
}
.primary-nav a:hover,
.primary-nav a:focus-visible,
.nav-toggle:hover,
.nav-toggle:focus-visible {
  background: rgba(255,255,255,0.09);
}
.nav-toggle { display: none; }
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 58%, var(--blue) 100%);
  color: var(--white);
  padding: 4.5rem 0 4rem;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.95fr;
  gap: 1.5rem;
  align-items: center;
}
.eyebrow, .section-kicker {
  margin: 0 0 0.75rem;
  color: var(--gold-2);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
}
.hero h1 {
  font-size: clamp(2.3rem, 4vw, 4rem);
  line-height: 1.05;
  margin: 0 0 1rem;
  max-width: 11ch;
}
.hero-subhead {
  font-size: 1.1rem;
  max-width: 42rem;
  color: rgba(255,255,255,0.88);
  margin: 0 0 1.5rem;
}
.hero-actions,
.form-actions,
.action-buttons,
.modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}
.hero-note,
.privacy-note,
.footer-copy,
.hero-panel-foot,
.metric-desc,
.section-heading p,
.card-head p,
.empty-state,
.status-message,
.chart-summary {
  color: var(--slate);
}
.hero-note,
.hero-panel-foot {
  color: rgba(255,255,255,0.82);
}
.hero-panel {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow-sm);
  border-radius: 22px;
  padding: 1.4rem;
  backdrop-filter: blur(12px);
}
.hero-stat + .hero-stat { margin-top: 1rem; }
.hero-stat-label {
  display: block;
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.76);
}
.hero-stat strong {
  display: block;
  font-size: 2.3rem;
  margin-top: 0.2rem;
}
.section { padding: 4rem 0; }
.alt-section { background: var(--cream); }
.section-shell { display: grid; gap: 1.5rem; }
.section-heading h2 {
  margin: 0 0 0.7rem;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.08;
}
.section-heading p {
  margin: 0;
  max-width: 44rem;
}
.card,
.metric-card,
.stat-card,
.reset-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.form-card { padding: 1.5rem; }
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.metric-card,
.fieldset-card,
.note-card { padding: 1.15rem; }
.metric-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.95rem;
}
.metric-title {
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--navy);
}
.metric-value {
  min-width: 2.6rem;
  text-align: center;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--navy);
  background: var(--cream-soft);
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
}
input[type="range"] {
  width: 100%;
  accent-color: var(--gold);
}
.range-ends {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.86rem;
  color: var(--slate);
  margin-top: 0.45rem;
}
.fieldset-card { margin-top: 1rem; }
.fieldset-card legend {
  padding: 0 0.2rem;
  font-weight: 700;
}
.tag-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 0.3rem;
}
.tag-pill input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.tag-pill span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--cream-soft);
  color: var(--navy);
  font-size: 0.94rem;
}
.tag-pill input:checked + span {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
textarea {
  width: 100%;
  min-height: 6rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  padding: 0.9rem 1rem;
  resize: vertical;
  background: var(--cream-soft);
  color: var(--navy);
}
.note-card { margin-top: 1rem; }
.form-actions { margin-top: 1rem; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 46px;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0.8rem 1.15rem;
  font-weight: 700;
  text-decoration: none;
}
.btn-primary {
  background: var(--navy);
  color: var(--white);
}
.btn-primary:hover,
.btn-primary:focus-visible { background: var(--blue); }
.btn-secondary {
  background: var(--white);
  color: var(--navy);
  border-color: var(--border);
}
.btn-secondary:hover,
.btn-secondary:focus-visible { background: var(--cream-soft); }
.btn-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: rgba(162,62,62,0.18);
}
.btn-danger:hover,
.btn-danger:focus-visible { background: #f3dfdc; }
.status-message {
  min-height: 1.4rem;
  margin: 0.75rem 0 0;
  font-size: 0.96rem;
}
.status-message.success { color: #21543b; }
.status-message.error { color: var(--danger); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1rem;
}
.stat-card {
  padding: 1rem 1.05rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.stat-card span {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate);
}
.stat-card strong { font-size: 1.65rem; }
.dashboard-grid {
  display: grid;
  grid-template-columns: 1.45fr 0.95fr;
  gap: 1rem;
}
.secondary-grid { grid-template-columns: 0.95fr 1.45fr; }
.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.card-head h3 {
  margin: 0 0 0.3rem;
  font-size: 1.18rem;
}
.chart-card,
.insights-card,
.actions-card,
.recent-card,
.help-card { padding: 1.2rem; }
.chart-wrap {
  position: relative;
  min-height: 320px;
}
.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-end;
}
.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.84rem;
  color: var(--slate);
}
.legend-item::before {
  content: "";
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 999px;
  display: inline-block;
}
.legend-item.stress::before { background: #9F4D45; }
.legend-item.focus::before { background: #123A56; }
.legend-item.energy::before { background: #C6A15B; }
.legend-item.recovery::before { background: #5B6770; }
.chart-summary,
.empty-state { margin: 0.75rem 0 0; }
.empty-state { display: none; }
.insights-list,
.help-steps,
.help-bullets { margin: 0; padding-left: 1.2rem; }
.insights-list li,
.help-steps li,
.help-bullets li { margin-bottom: 0.7rem; }
.recent-entries {
  display: grid;
  gap: 0.75rem;
}
.entry-row {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.85rem 0.95rem;
  background: var(--cream-soft);
}
.entry-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.45rem;
}
.entry-top strong { font-size: 0.95rem; }
.entry-date { color: var(--slate); font-size: 0.88rem; }
.entry-metrics,
.entry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.mini-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.55rem;
  border-radius: 999px;
  background: var(--white);
  border: 1px solid var(--border);
  font-size: 0.82rem;
}
.reset-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.reset-card {
  padding: 1.1rem;
  display: grid;
  gap: 0.7rem;
}
.reset-card h3 { margin: 0; font-size: 1.15rem; }
.reset-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.reset-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.82rem;
  border-radius: 999px;
  padding: 0.35rem 0.6rem;
  background: var(--cream-soft);
  color: var(--slate);
}
.help-grid {
  grid-template-columns: 1fr 1fr;
  display: grid;
  gap: 1rem;
}
.site-footer {
  background: var(--navy);
  color: var(--cream);
  padding: 1.4rem 0 2rem;
}
.footer-shell {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}
.footer-shell p { margin: 0.2rem 0 0; }
.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 100;
}
.modal.is-open { display: flex; }
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(11,31,51,0.58);
}
.modal-panel {
  position: relative;
  width: min(680px, calc(100% - 1rem));
  max-height: 90vh;
  overflow: auto;
  background: var(--white);
  border-radius: 22px;
  padding: 1.2rem;
  box-shadow: var(--shadow);
}
.confirm-panel { width: min(460px, calc(100% - 1rem)); }
.modal-close {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--white);
  color: var(--navy);
  font-size: 1.2rem;
}
.reset-modal-title {
  margin: 0 0 0.4rem;
  font-size: 1.55rem;
}
.reset-modal-copy {
  margin: 0 0 1rem;
  color: var(--slate);
}
.reset-info-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 1rem 0;
}
.reset-info-box {
  background: var(--cream-soft);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.85rem;
}
.reset-info-box span {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate);
  margin-bottom: 0.35rem;
}
.reset-steps { padding-left: 1.15rem; }
.reset-timer {
  display: grid;
  gap: 0.65rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1rem;
  background: var(--cream-soft);
  margin-top: 1rem;
}
.timer-display {
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy);
}
.timer-phase {
  font-size: 0.95rem;
  color: var(--slate);
}
.timer-status {
  font-size: 0.92rem;
  color: var(--slate);
  min-height: 1.25rem;
}
.file-button { cursor: pointer; }
@media (max-width: 960px) {
  .hero-grid,
  .dashboard-grid,
  .secondary-grid,
  .help-grid,
  .stats-grid,
  .metrics-grid,
  .reset-grid,
  .reset-info-grid {
    grid-template-columns: 1fr 1fr;
  }
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; }
  .primary-nav {
    display: none;
    position: absolute;
    top: calc(100% + 0.4rem);
    right: 1rem;
    left: 1rem;
    background: var(--navy);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 18px;
    padding: 0.6rem;
    flex-direction: column;
    align-items: stretch;
  }
  .primary-nav.open { display: flex; }
  .hero-grid,
  .dashboard-grid,
  .secondary-grid,
  .help-grid,
  .metrics-grid,
  .reset-grid,
  .reset-info-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .chart-legend { justify-content: flex-start; }
  .footer-shell,
  .entry-top { flex-direction: column; }
  .section { padding: 3rem 0; }
  .hero { padding: 3.4rem 0 3rem; }
  .hero h1 { max-width: 12ch; }
  .form-card { padding: 1rem; }
}

/* ============================================================
   AUTHENTICATION + ACCOUNT UI
   Added for the Firebase-authenticated, cloud-sync edition.
   Reuses the existing CalmCommandHQ visual system (variables,
   .btn, .card, .modal, .status-message) rather than introducing
   a new visual language.
   ============================================================ */

.app-shell[hidden],
.auth-gate[hidden] { display: none !important; }

.auth-gate {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy);
  padding: 2rem 1rem;
}

.auth-screen {
  width: 100%;
  display: flex;
  justify-content: center;
}
.auth-screen[hidden] { display: none; }

.auth-card {
  width: min(420px, 100%);
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.25rem 2rem;
}

.auth-title {
  margin: 0.25rem 0 0.4rem;
  font-size: 1.6rem;
  color: var(--navy);
}

.auth-subtitle {
  color: var(--slate);
  margin: 0 0 1.4rem;
}

.auth-loading-text {
  color: var(--slate);
  margin-top: 0.75rem;
}

.auth-field {
  margin-bottom: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.auth-field label {
  font-weight: 600;
  color: var(--navy);
  font-size: 0.94rem;
}

.auth-field input {
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 1rem;
  background: var(--cream-soft);
  color: var(--navy);
}

.auth-field input:focus-visible {
  outline: none;
  box-shadow: var(--focus);
  border-color: var(--gold);
}

.field-hint {
  color: var(--slate);
  font-size: 0.84rem;
  margin: 0;
}

.auth-submit {
  width: 100%;
  justify-content: center;
  margin-top: 0.3rem;
}

.auth-links {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.6rem;
}

.auth-links.stacked {
  flex-direction: column;
  align-items: stretch;
}

.link-button {
  background: none;
  border: 0;
  color: var(--blue);
  text-decoration: underline;
  padding: 0.3rem 0;
  font-size: 0.92rem;
  cursor: pointer;
}
.link-button:hover,
.link-button:focus-visible { color: var(--gold-2); }

/* Sync status indicator */
.sync-status {
  display: none;
  align-items: center;
  gap: 0.4rem;
  color: rgba(255,255,255,0.75);
  font-size: 0.82rem;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
}
.sync-status::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold-2);
  flex-shrink: 0;
}
.sync-status[data-state="offline"]::before,
.sync-status[data-state="error"]::before { background: var(--danger); }
.sync-status[data-state="synced"]::before { background: #4c9a6a; }

.nav-account-btn {
  padding: 0.55rem 1rem;
}

/* Account panel */
.account-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
  margin: 1.2rem 0 1.4rem;
}

.account-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: 1rem;
}

@media (max-width: 640px) {
  .account-info-grid { grid-template-columns: 1fr; }
  .auth-card { padding: 1.75rem 1.4rem; }
}

/* Trusted-device Firestore cache opt-in (privacy hardening) */
.trusted-device-card {
  padding: 1.1rem 1.2rem;
  margin-bottom: 1rem;
  background: var(--cream-soft);
}
.trusted-device-toggle {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  justify-content: flex-start;
  margin-bottom: 0.5rem;
}
.trusted-device-toggle input { width: 1.1rem; height: 1.1rem; }