:root {
  --bg: #f4f9ff;
  --bg-gradient: linear-gradient(180deg, #e0f2fe 0%, #f4f9ff 280px);
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --primary: #0a7ea4;
  --primary-ink: #ffffff;
  --primary-soft: #cfeaf3;
  --danger: #e11d48;
  --shadow: 0 2px 8px rgba(15, 23, 42, 0.05), 0 12px 32px rgba(15, 23, 42, 0.06);
  --radius: 18px;
  --radius-sm: 12px;
  --tap: 44px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.45;
  -webkit-tap-highlight-color: transparent;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px 16px calc(24px + var(--safe-bottom));
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 16px calc(18px + var(--safe-bottom));
  color: var(--muted);
  font-size: 13px;
}
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--primary); }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 18px;
}
.brand-icon { font-size: 22px; }

/* Burger menu (native <details>) */

.menu {
  position: relative;
}
.menu-toggle {
  list-style: none;
  cursor: pointer;
  width: var(--tap);
  height: var(--tap);
  display: grid;
  place-items: center;
  border-radius: 999px;
  -webkit-tap-highlight-color: transparent;
}
.menu-toggle::-webkit-details-marker { display: none; }
.menu-toggle:hover,
.menu-toggle:focus-visible { background: var(--primary-soft); outline: none; }

.burger,
.burger::before,
.burger::after {
  display: block;
  width: 22px;
  height: 2.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.18s ease, opacity 0.15s ease, top 0.18s ease;
}
.burger { position: relative; }
.burger::before,
.burger::after {
  content: "";
  position: absolute;
  left: 0;
}
.burger::before { top: -7px; }
.burger::after  { top: 7px; }
.menu[open] .burger { background: transparent; }
.menu[open] .burger::before { top: 0; transform: rotate(45deg); }
.menu[open] .burger::after  { top: 0; transform: rotate(-45deg); }

.menu-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 200px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  z-index: 20;
}
.menu-form { margin: 0; }
.menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text);
  text-decoration: none;
  font: inherit;
  font-weight: 500;
  min-height: var(--tap);
  width: 100%;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
}
.menu-item:hover,
.menu-item:focus-visible { background: var(--primary-soft); outline: none; }
.menu-icon { font-size: 18px; line-height: 1; }

.inline-form { display: inline; margin: 0; }

.flashes {
  max-width: 720px;
  margin: 12px auto 0;
  padding: 0 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.flash {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  border: 1px solid transparent;
}
.flash-success { background: #ecfdf5; color: #065f46; border-color: #a7f3d0; }
.flash-error   { background: #fef2f2; color: #991b1b; border-color: #fecaca; }
.flash-message { background: #f1f5f9; color: #0f172a; border-color: var(--line); }

/* Cards ------------------------------------------------------------ */

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 18px;
  margin: 16px 0;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.card-title {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 700;
}

.empty { color: var(--muted); margin: 0; }
.muted { color: var(--muted); }
.hint  { color: var(--muted); font-size: 14px; margin: 8px 0 0; }

/* Home tiles -------------------------------------------------------- */

.tiles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 16px 0;
}
.tile {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px 16px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  color: var(--text);
  text-decoration: none;
  min-height: 130px;
  position: relative;
  overflow: hidden;
  transition: transform 0.1s ease, box-shadow 0.15s ease;
}
.tile:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08), 0 18px 40px rgba(15, 23, 42, 0.08); }
.tile:active { transform: translateY(0); }
.tile-icon  { font-size: 36px; line-height: 1; }
.tile-label { font-weight: 700; font-size: 17px; margin-top: auto; }
.tile-sub   { color: var(--muted); font-size: 13px; }

.tile-add      { background: linear-gradient(160deg, #ddf3ff 0%, #ffffff 65%); border-color: #bde4f6; }
.tile-pb       { background: linear-gradient(160deg, #fff4d3 0%, #ffffff 65%); border-color: #f5dc8a; }
.tile-progress { background: linear-gradient(160deg, #e6f9ec 0%, #ffffff 65%); border-color: #b6e6c4; }
.tile-results  { background: linear-gradient(160deg, #f4e9ff 0%, #ffffff 65%); border-color: #d9bff5; }

.page-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  padding: 8px 4px;
  margin-bottom: 4px;
}
.page-back:hover { color: var(--text); }
.page-title {
  margin: 4px 0 12px;
  font-size: 22px;
  font-weight: 800;
}

@media (max-width: 359px) {
  .tiles { grid-template-columns: 1fr; }
}

/* Forms ------------------------------------------------------------ */

.add-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}

input[type="date"],
input[type="number"],
input[type="text"],
input[type="email"],
input[type="password"],
select {
  font-size: 16px; /* prevent iOS zoom */
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fbfdff;
  color: var(--text);
  min-height: var(--tap);
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
}
input:focus,
select:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
  background: #fff;
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2364748b' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

/* Style chips */

.field-styles legend.field-label {
  margin-bottom: 6px;
  padding: 0;
}
.chip-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px;
}
.chip {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fbfdff;
  cursor: pointer;
  min-height: var(--tap);
  transition: transform 0.08s ease, border-color 0.1s ease, background 0.1s ease;
}
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip-emoji {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--chip-color) 18%, white);
  font-size: 18px;
  flex-shrink: 0;
}
.chip-label { font-weight: 600; font-size: 14px; }
.chip:hover { border-color: var(--chip-color); }
.chip:has(input:checked) {
  border-color: var(--chip-color);
  background: color-mix(in srgb, var(--chip-color) 10%, white);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--chip-color) 25%, transparent);
}
.chip:active { transform: scale(0.98); }

/* Buttons ---------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font: inherit;
  font-weight: 600;
  min-height: var(--tap);
  cursor: pointer;
  text-decoration: none;
}
.btn-primary {
  background: var(--primary);
  color: var(--primary-ink);
}
.btn-primary:hover { background: #086c8e; }
.btn-primary:active { transform: translateY(1px); }
.btn-big { width: 100%; padding: 14px; font-size: 17px; border-radius: 14px; }
.btn-ghost {
  background: transparent;
  color: var(--danger);
  border-color: var(--line);
}
.btn-ghost:hover { background: #fff1f2; }

.icon-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 18px;
  width: var(--tap);
  height: var(--tap);
  border-radius: 999px;
}
.icon-btn:hover { background: #f1f5f9; color: var(--danger); }

/* PB list (legacy, kept for any remaining usage) ------------------- */

.pb-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.pb-row {
  display: grid;
  grid-template-columns: 36px 1fr auto auto;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--chip-color) 8%, white);
  border: 1px solid color-mix(in srgb, var(--chip-color) 25%, var(--line));
}
.pb-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--chip-color) 20%, white);
  font-size: 20px;
}
.pb-style    { font-weight: 600; }
.pb-distance { color: var(--muted); font-variant-numeric: tabular-nums; }
.pb-time {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  background: var(--card);
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
}

/* PB panels (current PBs page) ------------------------------------- */

.pb-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 419px) {
  .pb-grid { grid-template-columns: 1fr; }
}
.pb-panel {
  background: color-mix(in srgb, var(--chip-color) 10%, white);
  border: 1px solid color-mix(in srgb, var(--chip-color) 30%, var(--line));
  border-radius: var(--radius);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: var(--shadow);
}
.pb-panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
}
.pb-panel-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: color-mix(in srgb, var(--chip-color) 25%, white);
  font-size: 24px;
}
.pb-panel-titles { display: flex; flex-direction: column; }
.pb-panel-style    { font-weight: 700; font-size: 15px; }
.pb-panel-distance { color: var(--muted); font-size: 13px; }
.pb-panel-time {
  font-size: 32px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  margin-top: 4px;
  letter-spacing: -0.02em;
}
.pb-panel-unit { font-size: 18px; font-weight: 700; margin-left: 2px; color: var(--muted); }
.pb-panel-date { color: var(--muted); font-size: 12px; }

/* Filter row + chart ---------------------------------------------- */

.filter-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 12px;
}
@media (min-width: 520px) {
  .filter-row { grid-template-columns: 1fr 1fr 1fr; }
}
.chart-wrap {
  position: relative;
  height: 280px;
}
@media (min-width: 640px) {
  .chart-wrap { height: 340px; }
}

/* Results list ----------------------------------------------------- */

.result-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.result-row {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
}
.result-row + .result-row { border-top: 1px solid var(--line); border-radius: 0; padding-top: 12px; }
.result-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--chip-color) 18%, white);
  font-size: 22px;
}
.result-main   { display: flex; flex-direction: column; min-width: 0; gap: 2px; }
.result-line1  { display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; }
.result-line2  { font-size: 13px; }
.result-time   {
  margin-left: auto;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.result-actions {
  display: flex;
  align-items: center;
  gap: 2px;
}
.icon-btn-edit { text-decoration: none; }
.icon-btn-edit:hover { color: var(--primary); background: var(--primary-soft); }

.page-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 4px;
}
.page-title-row .page-title { margin: 0; }
.btn-sm { padding: 8px 14px; min-height: 36px; font-size: 14px; }
.form-actions { display: flex; gap: 10px; }
.form-actions .btn-big { flex: 1; }

/* Hero (login + error) -------------------------------------------- */

.hero {
  min-height: 70vh;
  display: grid;
  place-items: center;
}
.hero-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  max-width: 360px;
  width: 100%;
}
.hero-emoji { font-size: 64px; }
.hero-card h1 { margin: 8px 0 4px; font-size: 28px; }
.hero-tag { color: var(--muted); margin: 0 0 18px; }
.hero-fine { color: var(--muted); font-size: 13px; margin: 14px 0 0; }
.hero-warn {
  background: #fef3c7;
  border: 1px solid #fde68a;
  color: #92400e;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  text-align: left;
}
.hero-warn code { background: rgba(0,0,0,0.06); padding: 1px 4px; border-radius: 4px; }

/* Provider buttons */
.btn-provider {
  width: 100%;
  gap: 10px;
  font-size: 16px;
  padding: 12px 16px;
  border-radius: 12px;
}
.btn-provider + .btn-provider { margin-top: 10px; }
.provider-icon { flex-shrink: 0; }
.btn-google {
  background: #ffffff;
  color: #1f2937;
  border: 1px solid #d1d5db;
  font-weight: 500;
}
.btn-google:hover { background: #f9fafb; }
.btn-email {
  background: var(--primary);
  color: var(--primary-ink);
  border: 1px solid var(--primary);
  font-weight: 500;
}
.btn-email:hover { background: #086c8e; }
.btn-email .provider-icon {
  font-size: 16px;
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
}

.hero-card-form { max-width: 380px; text-align: left; padding: 22px; }
.hero-card-form h1 { text-align: center; }
.hero-card-form .hero-tag { text-align: center; }
.form-help {
  color: var(--muted);
  font-size: 13px;
  margin: -4px 0 0;
}
.check-field {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}
.check-field input {
  width: 18px;
  height: 18px;
  margin-top: 1px;
  flex-shrink: 0;
  accent-color: var(--primary);
}
.hero-legal {
  color: var(--muted);
  font-size: 12px;
  margin: 14px 0 0;
}

.legal-page {
  text-align: left;
}
.legal-page h1 {
  margin: 0 0 4px;
  font-size: 28px;
}
.legal-page h2 {
  margin: 22px 0 8px;
  font-size: 17px;
}
.legal-page p {
  margin: 0 0 12px;
}

/* Invites ---------------------------------------------------------- */

.invite-fresh {
  margin-top: 14px;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: #ecfeff;
  border: 1px solid #a5f3fc;
}
.invite-link {
  display: block;
  word-break: break-all;
  padding: 8px 10px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid var(--line);
  font-size: 13px;
}
.invite-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.invite-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}
.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.pill-open { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }