/*
 * Vivo — "Your data. A brighter you." Evergreen/teal/mint palette, Plus
 * Jakarta Sans throughout, a sidebar-nav dashboard once data is analyzed.
 * See ARCHITECTURE.md §6 for the design system this implements.
 */

:root {
  --evergreen: #0b2d2b;
  --vivo-teal: #14b8a6;
  --mint: #a7e3d8;
  --sand: #f7f5ef;
  --mist: #e1e8e6;
  --ink: #0f1f2e;

  --bg: var(--sand);
  --surface: #ffffff;
  --surface-border: #e7e2d6;
  --surface-sunken: #fbfaf6;

  --sidebar-bg: var(--evergreen);
  --sidebar-border: #163836;
  --sidebar-active: #123935;

  --text: var(--ink);
  --text-muted: #5c6f6c;
  --text-on-dark: #f2f7f6;
  --text-on-dark-muted: #9fbab6;

  --accent: var(--vivo-teal);
  --accent-ink: #0b8577;
  --accent-soft: color-mix(in srgb, var(--vivo-teal) 14%, transparent);
  --mint-soft: color-mix(in srgb, var(--mint) 35%, transparent);

  --danger: #b3453a;
  --danger-soft: #fbeae7;
  --success: #1e9e7e;

  --shadow-card: 0 1px 2px rgba(11, 45, 43, 0.05), 0 8px 24px rgba(11, 45, 43, 0.07);
  --shadow-float: 0 30px 60px -20px rgba(11, 45, 43, 0.35);
}

* {
  box-sizing: border-box;
}

/* The `hidden` attribute must always win over a class's own `display` rule
   (e.g. `.btn { display: inline-block }` on a hidden button) — otherwise an
   element with both loses the fight on selector order, not intent. */
[hidden] {
  display: none !important;
}

body {
  margin: 0;
  font-family: "Plus Jakarta Sans", -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: "Plus Jakarta Sans", -apple-system, sans-serif;
  font-weight: 700;
  text-wrap: balance;
  margin: 0;
}
h2 { font-weight: 600; }
h3 { font-weight: 600; }

.num {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}

.card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  box-shadow: var(--shadow-card);
}

/* ── Logo mark ─────────────────────────────────────────────── */

.vivo-mark {
  display: block;
  flex-shrink: 0;
}

/* ── Landing: header ───────────────────────────────────────── */

.site-header {
  background: var(--evergreen);
  padding: 1.1rem 1.5rem;
}
.site-header-inner {
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}
.site-brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}
.site-title {
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text-on-dark);
  letter-spacing: -0.01em;
}
.site-subtitle {
  font-weight: 400;
  color: var(--text-on-dark-muted);
  font-size: 0.85rem;
}

/* ── Landing: hero / upload ───────────────────────────────── */

.hero {
  background:
    radial-gradient(90% 120% at 100% 0%, color-mix(in srgb, var(--vivo-teal) 30%, transparent) 0%, transparent 55%),
    linear-gradient(165deg, #0e3331 0%, var(--evergreen) 60%);
  padding: 3.25rem 1.5rem 3.75rem;
}
.hero-inner {
  max-width: 920px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
}
.hero-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.1rem;
}
.eyebrow {
  display: inline-block;
  width: fit-content;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mint);
  background: color-mix(in srgb, var(--mint) 16%, transparent);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
}
.hero h1 {
  font-size: 2.2rem;
  line-height: 1.12;
  color: var(--text-on-dark);
  letter-spacing: -0.01em;
}
.hero h1 em {
  color: var(--mint);
  font-style: normal;
  font-weight: 800;
}
.hero-copy {
  color: var(--text-on-dark-muted);
  font-size: 1rem;
  line-height: 1.6;
  max-width: 42ch;
  margin: 0;
}

.upload-card {
  padding: 1.6rem;
  box-shadow: var(--shadow-float);
}
.upload-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.9rem;
}
.upload-card-title {
  font-weight: 700;
  font-size: 0.95rem;
}
.muted-on-card {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.dropzone {
  border: 2px dashed var(--surface-border);
  border-radius: 12px;
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  background: var(--surface-sunken);
  position: relative;
}
.dropzone-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
}
#file-input {
  font: inherit;
  font-size: 0.85rem;
  color: var(--text-muted);
  width: 100%;
}
#file-input::file-selector-button {
  font: inherit;
  font-weight: 600;
  font-size: 0.82rem;
  padding: 0.5rem 0.85rem;
  margin-right: 0.65rem;
  border: 1px solid var(--surface-border);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  cursor: pointer;
}
#file-input::file-selector-button:hover {
  border-color: var(--accent);
}

.privacy-note {
  color: var(--text-muted);
  font-size: 0.78rem;
  margin: 0.75rem 0 0;
}

.site-footer {
  background: var(--evergreen);
  padding: 1.25rem 1.5rem;
}
.site-footer p {
  max-width: 920px;
  margin: 0 auto;
  color: var(--text-on-dark-muted);
  font-size: 0.82rem;
}

/* ── Shared text / list utilities ─────────────────────────── */

.muted {
  color: var(--text-muted);
  font-size: 0.9rem;
}
.error-text {
  color: var(--danger);
  font-size: 0.9rem;
}
.plain-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0;
}
.plain-list li {
  padding: 0.15rem 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ── Buttons & form controls ──────────────────────────────── */

.btn,
button {
  font: inherit;
  cursor: pointer;
}
.btn {
  display: inline-block;
  padding: 0.65rem 1.15rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: var(--accent);
  color: #06201c;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  margin-top: 0.85rem;
}
.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.btn:not(:disabled):hover {
  background: var(--accent-ink);
  border-color: var(--accent-ink);
  color: #f2f7f6;
}
.btn-secondary {
  background: transparent;
  color: var(--accent-ink);
}
.btn-secondary:not(:disabled):hover {
  background: var(--accent-soft);
  color: var(--accent-ink);
}

.connect-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.1rem 0;
  color: var(--text-muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.connect-divider::before,
.connect-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--surface-border);
}

.whoop-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  display: inline-block;
  flex-shrink: 0;
}
#whoop-connected-block .row {
  gap: 0.6rem;
}
#whoop-connected-block .btn {
  margin-top: 0;
}

button {
  padding: 0.6rem 0.85rem;
  min-height: 44px;
  border: 1px solid var(--surface-border);
  background: var(--surface-sunken);
  border-radius: 6px;
  color: var(--text);
}

input,
select,
textarea {
  font: inherit;
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--surface-border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
}

label {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
}
label > input {
  margin-top: 0.25rem;
  width: 100%;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.checkbox-label input {
  width: auto;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

fieldset {
  border: 1px solid var(--surface-border);
  border-radius: 12px;
  padding: 1.1rem 1.3rem;
  margin: 0 0 1.5rem;
  background: var(--surface);
  box-shadow: var(--shadow-card);
}
legend {
  padding: 0 0.4rem;
  font-weight: 700;
  font-size: 0.92rem;
}

.ai-fields {
  margin-top: 0.5rem;
}
.status-success {
  color: var(--success);
  font-weight: 600;
}
.status-error {
  color: var(--danger);
  font-weight: 600;
}

/* ── Restored-state banner ────────────────────────────────── */

.restored-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--mint-soft);
  border: 1px solid var(--surface-border);
  border-radius: 10px;
  padding: 0.65rem 1rem;
  margin: 0 0 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.restored-banner button {
  font-size: 0.8rem;
  padding: 0.3rem 0.65rem;
  min-height: auto;
}

/* ════════════════════════════════════════════════════════════
   Dashboard shell — sidebar nav + topbar + content, shown once
   a report has been analyzed. Mobile: sidebar becomes a slide-
   over drawer triggered by the topbar hamburger.
   ════════════════════════════════════════════════════════════ */

.dashboard-shell {
  display: grid;
  grid-template-columns: 248px 1fr;
  min-height: 100vh;
  background: var(--bg);
}

.sidebar {
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0 0.5rem;
}
.sidebar-brand span {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text-on-dark);
  letter-spacing: -0.01em;
}
.sidebar-close-btn {
  display: none;
  margin-left: auto;
  background: transparent;
  border: none;
  padding: 0.3rem;
  min-width: 44px;
  min-height: 44px;
  color: var(--text-on-dark-muted);
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border: none;
  background: transparent;
  color: var(--text-on-dark-muted);
  font-weight: 600;
  font-size: 0.88rem;
  border-radius: 10px;
  text-align: left;
  min-height: auto;
  width: 100%;
}
.nav-item svg {
  flex-shrink: 0;
  opacity: 0.85;
}
.nav-item:hover {
  background: var(--sidebar-active);
  color: var(--text-on-dark);
}
.nav-item.active {
  background: var(--sidebar-active);
  color: var(--text-on-dark);
}
.nav-item.active svg {
  opacity: 1;
  color: var(--mint);
}

.sidebar-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding-top: 1rem;
  border-top: 1px solid var(--sidebar-border);
}
.sidebar-footer .whoop-status,
.sidebar-footer .connect-divider {
  color: var(--text-on-dark-muted);
}
.sidebar-footer .status-dot {
  background: var(--mint);
}
.sidebar-link {
  background: transparent;
  border: none;
  color: var(--text-on-dark-muted);
  font-size: 0.82rem;
  font-weight: 600;
  text-align: left;
  padding: 0.35rem 0.5rem;
  min-height: auto;
}
.sidebar-link:hover {
  color: var(--text-on-dark);
}
#dashboard-whoop-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
#dashboard-whoop-section .btn,
#dashboard-whoop-section .btn-secondary {
  margin-top: 0;
  font-size: 0.8rem;
  padding: 0.45rem 0.8rem;
}
#dashboard-whoop-error {
  font-size: 0.75rem;
}

.dashboard-main {
  min-width: 0;
}

.dashboard-topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 2rem;
  background: var(--surface);
  border-bottom: 1px solid var(--surface-border);
}
.hamburger-btn {
  display: none;
  background: transparent;
  border: none;
  padding: 0.4rem;
  min-width: 44px;
  min-height: 44px;
  color: var(--text);
}
.topbar-brand {
  display: none;
  align-items: center;
  gap: 0.5rem;
}
.topbar-brand span {
  font-weight: 800;
  color: var(--text-on-dark);
}
.topbar-info {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.topbar-greeting {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.topbar-range {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.dashboard-content {
  max-width: 1040px;
  margin: 0 auto;
  padding: 1.75rem 2rem 3rem;
}

.nav-scrim {
  position: fixed;
  inset: 0;
  background: rgba(11, 45, 43, 0.45);
  z-index: 40;
}

/* ── Stat cards ────────────────────────────────────────────── */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
  padding: 1.1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.stat-card-icon {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--accent-soft);
  color: var(--accent-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.2rem;
}
.stat-card-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.stat-card-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}
.stat-card-value .unit {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-left: 0.2rem;
}

/* ── Recovery ring (Whoop-style) ──────────────────────────── */

.vitals-strip {
  background: linear-gradient(135deg, #0e3331 0%, var(--evergreen) 70%);
  border-radius: 20px;
  padding: 1.75rem 2rem;
  margin-bottom: 1.5rem;
  display: grid;
  grid-template-columns: minmax(200px, 280px) 1fr;
  gap: 1.75rem;
  align-items: center;
}
.vitals-ring-block {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}
.vitals-ring {
  position: relative;
  width: 110px;
  height: 110px;
  flex-shrink: 0;
}
.vitals-ring svg {
  transform: rotate(-90deg);
}
.vitals-ring-value {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--text-on-dark);
}
.vitals-ring-value span {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-on-dark-muted);
}
.vitals-ring-label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.vitals-ring-eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--mint);
}
.vitals-ring-caption {
  font-size: 0.82rem;
  color: var(--text-on-dark-muted);
  max-width: 18ch;
  line-height: 1.4;
}

.vital-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 0.75rem;
}
.vital-tile {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--sidebar-border);
  border-radius: 12px;
  padding: 0.85rem 1rem;
}
.vital-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  margin-bottom: 0.4rem;
}
.vital-value {
  font-variant-numeric: tabular-nums;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--mint);
}
.vital-unit {
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--text-on-dark-muted);
}

.vitals-strip--no-ring {
  grid-template-columns: 1fr;
}

/* ── Line charts (Trends / Overview) ──────────────────────── */

.chart-card {
  margin-bottom: 1.5rem;
}
.chart-card-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}
.chart-card-caption {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}
.trend-chart {
  width: 100%;
  height: auto;
  display: block;
}
.trend-chart-axis {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

/* ── Dashboard content sections (Sleep/Recovery/Activity/etc) ── */

.view-section {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 18px;
  box-shadow: var(--shadow-card);
  padding: 1.75rem;
  margin-top: 1.5rem;
}
.view-section:first-of-type {
  margin-top: 0;
}
.view-section:has(.leverage-card) {
  background: none;
  border: none;
  box-shadow: none;
  padding: 0;
}

.view-section h2 {
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  margin: 0 0 1.15rem;
}
.view-section h3 {
  font-size: 1rem;
  letter-spacing: -0.005em;
  margin: 0 0 0.65rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--surface-border);
}
.view-section h3:first-of-type {
  padding-top: 0;
  border-top: none;
}

.table-scroll {
  overflow-x: auto;
  margin: 0.5rem 0 1.1rem;
}
.table-scroll .report-table {
  margin: 0;
}

.report-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.5rem 0 1.1rem;
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
}
.report-table th,
.report-table td {
  border: 1px solid var(--surface-border);
  padding: 0.45rem 0.65rem;
  text-align: left;
}
.report-table--compact th,
.report-table--compact td {
  white-space: nowrap;
}
.report-table th {
  background: var(--surface-sunken);
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.quality-notes {
  background: #fdf8ee;
  border: 1px solid var(--surface-border);
  border-left: 3px solid #c9822f;
  border-radius: 10px;
  padding: 0.9rem 1.1rem;
  margin-top: 0.85rem;
  font-size: 0.9rem;
}

.leverage-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-left: 3px solid var(--accent);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
  padding: 1.15rem 1.35rem;
  margin-bottom: 1rem;
}
.leverage-card h3 {
  margin-top: 0;
  font-size: 1.05rem;
  padding-top: 0;
  border-top: none;
}

.flag-heading {
  color: var(--danger);
}

.ai-generate-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.25rem;
}

/* Compact preview list used on Overview for the top leverage points */
.leverage-preview-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.leverage-preview-list li {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  font-size: 0.9rem;
}
.leverage-preview-rank {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-ink);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.empty-state {
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 0.5rem 0;
}

/* ── Responsive ────────────────────────────────────────────── */

@media (max-width: 700px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 1.8rem;
  }
}

@media (max-width: 960px) {
  .dashboard-shell {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 260px;
    max-width: 80vw;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.3);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .sidebar-close-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .hamburger-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .topbar-brand {
    display: flex;
  }
  .dashboard-topbar {
    background: var(--evergreen);
    padding: 1rem 1.25rem;
  }
  .topbar-greeting {
    color: var(--text-on-dark);
  }
  .topbar-range {
    color: var(--text-on-dark-muted);
  }
  .dashboard-content {
    padding: 1.25rem 1.1rem 2.5rem;
  }
}

@media (max-width: 600px) {
  .report-table {
    font-size: 0.85rem;
  }
  .vitals-strip {
    grid-template-columns: 1fr;
  }
  .vitals-ring-block {
    flex-direction: column;
    align-items: flex-start;
  }
  .view-section {
    padding: 1.25rem;
  }
  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}