:root {
  color-scheme: light;
  --bg: #eef4f3;
  --panel: rgba(255, 255, 255, 0.78);
  --panel-border: rgba(45, 90, 92, 0.14);
  --text: #1c2b29;
  --muted: #55716d;
  --accent: #2f8fa6;
  --accent-strong: #1f6b7d;
  --accent-soft: #bfe6ea;
  --shadow: 0 22px 60px rgba(20, 45, 45, 0.14);
}

* {
  box-sizing: border-box;
}

html,
body {
  /* Safety net: any element that overflows its container (a wide table,
     a chart) should scroll inside its own box (see .table-scroll,
     .pollen-heatmap-cells) -- never widen the page itself. On mobile,
     page-level horizontal overflow makes the browser zoom the whole
     viewport out to fit, which then visibly jumps back on the next tab
     that doesn't overflow. */
  overflow-x: hidden;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Segoe UI", "Trebuchet MS", "Gill Sans", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(191, 230, 234, 0.45), transparent 32%),
    radial-gradient(circle at top right, rgba(47, 143, 166, 0.18), transparent 26%),
    linear-gradient(180deg, #f3f9f9 0%, var(--bg) 100%);
}

.shell {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 56px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(260px, 0.8fr);
  gap: 24px;
  align-items: end;
  margin-bottom: 24px;
}

.eyebrow,
.panel-kicker,
.hero-label {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.74rem;
  color: var(--muted);
  margin: 0 0 12px;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(2.4rem, 4vw, 4.8rem);
  line-height: 0.95;
  margin-bottom: 14px;
  max-width: 11ch;
}

.lede {
  max-width: 58ch;
  font-size: 1.06rem;
  line-height: 1.65;
  color: var(--muted);
}

.hero-card,
.panel,
.metric {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-card {
  display: flex;
  gap: 14px;
  align-items: center;
  border-radius: 24px;
  padding: 22px 24px;
}

.status-dot {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--accent-soft), var(--accent));
  box-shadow: 0 0 0 10px rgba(47, 143, 166, 0.12);
  flex: none;
}

.hero-value {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 0;
}

.grid {
  display: grid;
  gap: 16px;
}

.metrics {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 24px;
}

.metric {
  border-radius: 22px;
  padding: 18px 18px 20px;
}

.metric-label {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.88rem;
}

.metric-value {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
}

.panel {
  border-radius: 28px;
  padding: 24px;
  margin-bottom: 18px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 16px;
  align-items: end;
  margin-bottom: 18px;
}

/* -- collapsible panels -------------------------------------------- */

.collapsible-row {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
}

.collapsible-row .collapsible {
  flex: 1;
  min-width: 0;
}

.collapsible summary {
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 28px;
}

.collapsible summary::-webkit-details-marker {
  display: none;
}

.collapsible summary::after {
  content: "";
  position: absolute;
  right: 4px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 0.15s ease;
}

.collapsible[open] summary::after {
  transform: rotate(-135deg);
  top: 10px;
}

.collapsible summary.panel-header {
  margin-bottom: 0;
}

.collapsible[open] summary.panel-header {
  margin-bottom: 18px;
}

.tab-nav {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.tab-button {
  flex: 1;
  min-width: 140px;
  border: 0;
  border-radius: 14px;
  padding: 12px;
  background: rgba(47, 143, 166, 0.08);
  color: var(--muted);
  font-weight: 700;
  cursor: pointer;
  box-shadow: none;
}

.tab-button.active {
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  color: white;
}

.panel h2 {
  margin: 0;
  font-size: 1.4rem;
}

.log-form {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(180px, 0.8fr) auto;
  gap: 14px;
  align-items: end;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

input,
select,
button {
  font: inherit;
}

input,
select {
  width: 100%;
  border: 1px solid rgba(31, 107, 125, 0.16);
  border-radius: 16px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--text);
}

button {
  border: 0;
  border-radius: 16px;
  padding: 14px 18px;
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  color: white;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 14px 28px rgba(31, 107, 125, 0.22);
}

button:hover {
  transform: translateY(-1px);
}

.log-meta {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  color: var(--muted);
  font-size: 0.88rem;
}

.pill {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  padding: 6px 10px;
  background: rgba(47, 143, 166, 0.1);
  color: var(--accent-strong);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

@media (max-width: 860px) {
  .hero,
  .metrics,
  .log-form {
    grid-template-columns: 1fr;
  }

  .panel-header {
    align-items: start;
  }
}

.hero-advice {
  margin: 6px 0 0;
  font-size: 0.86rem;
  color: var(--muted);
  max-width: 34ch;
}

/* -- tier colors ------------------------------------------------- */

:root {
  --tier-ok: #3f8f5c;
  --tier-watch: #c8912a;
  --tier-vet: #cf6a1f;
  --tier-emergency: #c0392b;
  --tier-unknown: #8a7d6c;
}

.status-dot.tier-unbedenklich,
.pill.tier-unbedenklich,
.band.tier-unbedenklich {
  background: var(--tier-ok);
}

.status-dot.tier-beobachten,
.pill.tier-beobachten,
.band.tier-beobachten {
  background: var(--tier-watch);
}

.status-dot.tier-tierarzt,
.pill.tier-tierarzt,
.band.tier-tierarzt {
  background: var(--tier-vet);
}

.status-dot.tier-notfall,
.pill.tier-notfall,
.band.tier-notfall {
  background: var(--tier-emergency);
}

.status-dot.tier-unbekannt,
.pill.tier-unbekannt,
.band.tier-unbekannt {
  background: var(--tier-unknown);
}

.pill.tier-unbedenklich,
.pill.tier-beobachten,
.pill.tier-tierarzt,
.pill.tier-notfall,
.pill.tier-unbekannt {
  color: white;
  background-image: none;
}

.status-dot.tier-unbedenklich,
.status-dot.tier-beobachten,
.status-dot.tier-tierarzt,
.status-dot.tier-notfall,
.status-dot.tier-unbekannt {
  box-shadow: none;
}

/* -- two column layout -------------------------------------------- */

.two-col {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: start;
}

/* -- form additions -------------------------------------------- */

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

.signs-field {
  grid-column: 1 / -1;
  border: 1px solid rgba(31, 107, 125, 0.16);
  border-radius: 16px;
  padding: 12px 16px 16px;
  margin: 0;
}

.signs-field legend {
  color: var(--muted);
  font-size: 0.86rem;
  padding: 0 6px;
}

.signs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 8px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text);
}

.checkbox-label input {
  width: auto;
}

.med-checklist {
  grid-column: 1 / -1;
  display: grid;
  gap: 8px;
}

.med-checklist-row {
  display: grid;
  grid-template-columns: minmax(140px, 1fr) 110px 90px;
  align-items: center;
  gap: 12px;
}

.med-checklist-row .checkbox-label {
  min-width: 0;
}

.med-checklist-row .checkbox-label span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dose-input {
  width: 100%;
  max-width: none;
}

.med-checklist-row select {
  width: 100%;
  min-width: 0;
  max-width: none;
}

@media (max-width: 640px) {
  .med-checklist-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

.log-form button {
  grid-column: 1 / -1;
}

/* -- secondary buttons --------------------------------------------- */

button.secondary {
  background: rgba(47, 143, 166, 0.12);
  color: var(--accent-strong);
  box-shadow: none;
}

.icon-button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px 10px;
}

.danger-zone {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--panel-border);
}

.button-danger {
  background: var(--tier-emergency);
  box-shadow: none;
}

.hidden {
  display: none !important;
}

/* -- medications --------------------------------------------------- */

.med-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.med-form button {
  grid-column: 1 / -1;
}

.pill-warn {
  background: var(--tier-emergency);
  color: white;
}

.pill-community {
  background: rgba(47, 143, 166, 0.5);
  color: white;
}

/* -- thresholds ------------------------------------------------ */

.threshold-bands {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.band {
  display: flex;
  justify-content: space-between;
  border-radius: 12px;
  padding: 10px 14px;
  color: white;
  font-size: 0.9rem;
}

.threshold-form {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 10px;
}

.threshold-form button {
  grid-column: 1 / -1;
}

.fine-print {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.5;
}

.pollen-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.pollen-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
}

/* -- log entries detail ------------------------------------------ */

.log-detail {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

/* -- research -------------------------------------------------- */

.research-list {
  display: grid;
  gap: 14px;
}

.research-card {
  border-radius: 18px;
  padding: 16px 18px;
  background: rgba(247, 251, 251, 0.85);
  border: 1px solid rgba(31, 107, 125, 0.08);
  display: grid;
  gap: 6px;
}

.research-card a {
  color: var(--accent-strong);
  text-decoration: none;
}

.research-card a:hover {
  text-decoration: underline;
}

@media (max-width: 860px) {
  .two-col,
  .log-form,
  .med-form,
  .threshold-form {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 20px, 1100px);
    padding-top: 20px;
  }

  .panel,
  .hero-card {
    border-radius: 20px;
  }

  h1 {
    max-width: none;
  }

  .log-meta {
    flex-wrap: wrap;
  }
}

/* -- auth / account ------------------------------------------------ */

.auth-panel {
  max-width: 520px;
  margin: 60px auto;
}

.auth-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.auth-tab {
  flex: 1;
  border: 0;
  border-radius: 14px;
  padding: 12px;
  background: rgba(47, 143, 166, 0.08);
  color: var(--muted);
  font-weight: 700;
  cursor: pointer;
  box-shadow: none;
}

.auth-tab.active {
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  color: white;
}

.auth-form {
  display: grid;
  gap: 14px;
}

.auth-form h3 {
  margin: 8px 0 -4px;
  font-size: 1rem;
  color: var(--accent-strong);
}

.auth-error {
  margin: 0;
  color: var(--tier-emergency);
  font-size: 0.86rem;
  min-height: 1em;
}

.link-button {
  background: transparent;
  color: var(--accent-strong);
  box-shadow: none;
  padding: 4px;
  font-size: 0.86rem;
  text-decoration: underline;
  justify-self: start;
}

.account-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.brand-logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  flex: none;
}

.brand-logo-auth {
  display: block;
  width: 64px;
  height: 64px;
  border-radius: 16px;
  margin: 0 auto 16px;
}

.horse-switcher {
  display: flex;
  align-items: center;
  gap: 10px;
}

.horse-switcher select {
  width: auto;
  min-width: 160px;
}

.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 30;
  width: min(360px, 90vw);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
  border-radius: 20px;
  padding: 20px;
  backdrop-filter: blur(18px);
}

.account-info {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 0.88rem;
}

#add-horse-form {
  margin-bottom: 20px;
}

@media (max-width: 640px) {
  .auth-panel {
    margin: 24px auto;
  }
}

/* -- statistics ------------------------------------------------- */

:root {
  --chart-grid: rgba(45, 90, 92, 0.14);
  --chart-ring: #f5fbfb;
  /* 6-step ramp (Google Pollen API's Universal Pollen Index is 0-5,
     None..Very High), light -> dark on the app's existing accent hue. */
  --pollen-0: #eaf3f3;
  --pollen-1: #cdeaef;
  --pollen-2: #8fd0d9;
  --pollen-3: #4fa8bb;
  --pollen-4: #2f8fa6;
  --pollen-5: #1f6b7d;
}

.stats-filter-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

.range-button {
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  padding: 6px 14px;
  background: transparent;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: none;
}

.range-button.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

#stats-table-toggle {
  margin-left: auto;
}

.chart-container {
  width: 100%;
}

.chart-container svg {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}

.chart-grid-line {
  stroke: var(--chart-grid);
  stroke-width: 1;
}

.chart-axis-label {
  fill: var(--muted);
  font-size: 11px;
}

.chart-line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.chart-line.chart-line-muted {
  stroke: var(--muted);
  opacity: 0.55;
}

.chart-area {
  fill: var(--accent);
  opacity: 0.1;
}

.chart-dot {
  stroke: var(--chart-ring);
  stroke-width: 2;
}

.chart-dot-hit {
  fill: transparent;
  cursor: pointer;
}

.chart-end-label {
  font-size: 12px;
  font-weight: 700;
  fill: var(--text);
}

.chart-crosshair {
  stroke: var(--muted);
  stroke-width: 1;
  opacity: 0;
  pointer-events: none;
}

.chart-legend {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.chart-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--muted);
}

.chart-legend-swatch {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  flex: none;
}

.chart-tooltip {
  position: fixed;
  z-index: 40;
  background: #14201e;
  color: white;
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 0.8rem;
  line-height: 1.5;
  pointer-events: none;
  box-shadow: var(--shadow);
  max-width: 220px;
}

.chart-tooltip.hidden {
  display: none;
}

.chart-tooltip-value {
  font-weight: 700;
}

.pollen-heatmap-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}

.pollen-heatmap-label {
  font-size: 0.8rem;
  color: var(--muted);
}

.pollen-heatmap-cells {
  display: grid;
  grid-auto-flow: column;
  gap: 2px;
  min-width: 0;
  overflow-x: auto;
}

.pollen-heatmap-cell {
  aspect-ratio: 1;
  min-width: 10px;
  border-radius: 3px;
  cursor: pointer;
}

.table-scroll {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.data-table th,
.data-table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--panel-border);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.data-table th {
  color: var(--muted);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
}

.data-table .col-numeric {
  text-align: center;
}

.data-table .col-wrap {
  white-space: normal;
  min-width: 200px;
}

.data-table .followup-form {
  display: flex;
  gap: 6px;
  align-items: center;
}

.data-table .followup-form input {
  min-width: 160px;
  padding: 8px 10px;
  font-size: 16px; /* below 16px, iOS auto-zooms the page in on focus */
}

.data-table .followup-form button {
  padding: 8px 12px;
  white-space: nowrap;
}

.data-table .col-actions {
  width: 1%;
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.data-table .stock-input {
  width: 80px;
  text-align: center;
  font-size: 16px; /* below 16px, iOS auto-zooms the page in on focus */
}

.data-table tr.low-stock td:first-child {
  box-shadow: inset 3px 0 0 var(--tier-emergency);
}