:root {
    --ink: #111827;
    --muted: #6b7280;
    --accent: #2563eb;
    --bg: #f8fafc;
}

* {
    box-sizing: border-box
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--bg);
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, "Helvetica Neue", Arial;
}

header {
    padding: 1rem .75rem .5rem;
    border-bottom: 1px solid #e5e7eb;
    background: #fff;
    position: sticky;
    top: 0;
    z-index: 10;
}

h1 {
    margin: .25rem 0 .6rem;
    font-size: 1.15rem;
    text-align: center;
}

.toolbar {
    display: flex;
    gap: .5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.wrap {
    padding: .75rem;
}

button,
.chip,
input,
select {
    border: 1px solid #d1d5db;
    border-radius: .6rem;
    background: #fff;
}

button {
    padding: .55rem .85rem;
    font-weight: 600;
    cursor: pointer;
}


button:disabled {
    opacity: .6;
    cursor: not-allowed;
}

.btn {
    padding: .5rem .8rem;
    border: 1px solid #d1d5db;
    border-radius: .6rem;
    background: #fff;
    font-weight: 600;
    cursor: pointer
}

.btn.primary {
    background: linear-gradient(134deg, #c95cfbb0, #20c69899);
    border-color: var(--accent);
    color: #fff
}

.btn:disabled {
    opacity: .6;
    cursor: not-allowed
}

.chip {
    padding: .35rem .55rem;
    font-size: .85rem;
    color: var(--muted);
    border: 1px solid #e5e7eb;
    border-radius: .6rem;
    background: #fff;
}

.icn {
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
    display: inline-block
}

.stats-compact {
    display: grid;
    gap: .5rem;
    justify-content: center
}

.stats-compact .stat {
    background: #fff;
    border: none;
    border-radius: .65rem;
    padding: .35rem .5rem;
    display: flex;
    flex-direction: column;
    align-items: center
}

.stats-compact .label {
    font-size: .75rem;
    color: var(--muted)
}

.stats-compact .value {
    font-size: .95rem;
    font-weight: 500
}

.stats-compact .sub {
    font-size: .72rem;
    color: var(--muted)
}

/* Force two rows on small screens (4 per row) and shrink paddings */
@media (max-width:560px){
  header{padding:.7rem .5rem .35rem}
  .toolbar{gap:.35rem}
  .btn{padding:.42rem}
  .btn .txt{display:none}          /* icon-only on phones */
  .chip{padding:.28rem .45rem;font-size:.78rem}

  .stats-compact{grid-template-columns:repeat(4,minmax(0,1fr))}
  .stats-compact .stat{padding:.32rem .4rem}
  .stats-compact .value{font-size:.9rem}
  .stats-compact .label,.stats-compact .sub{font-size:.68rem}
}

/* Wider screens can breathe a bit */
@media (min-width:561px){
  .stats-compact{grid-template-columns:repeat(4,minmax(0,180px))}
}

/* Config */
.config {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: .9rem;
    padding: .7rem;
    margin: .6rem auto;
    max-width: 1100px;
}

.config.hidden {
    display: none
}

.cfg-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: .6rem;
}

.cfg-item {
    display: flex;
    align-items: center;
    gap: .6rem;
    justify-content: space-between;
    padding: .45rem .6rem;
    border: 1px dashed #e5e7eb;
    border-radius: .7rem;
}

.cfg-item input[type="range"] {
    width: 60%
}

/* Pet scene */
.pet-scene {
    width: 100%;
    height: 40vh;
    background: linear-gradient(#cfe9ff, #e9f4ff);
    border-bottom: 1px solid #e5e7eb;
    overflow: hidden
}

#petSvg {
    width: 100%;
    height: 100%;
    display: block
}

/* Map */
#map {
    height: 30vh;
    width: 100%;
    border-top: 1px solid #e5e7eb;
    border-bottom: 1px solid #e5e7eb;
}

/* Charts area */
.charts {
    display: grid;
    gap: .75rem;
    grid-template-columns: 1fr;
    max-width: 1100px;
    margin: .75rem auto;
}

.charts.hidden {
    display: none
}

.card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: .9rem;
    padding: .6rem .8rem;
}

#speedChart {
    width: 100%;
    height: 260px
}

/* Drawer */
.drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: min(92vw, 420px);
    height: 100%;
    background: #fff;
    border-left: 1px solid #e5e7eb;
    box-shadow: -8px 0 24px rgba(0, 0, 0, .06);
    transform: translateX(100%);
    transition: transform .2s ease;
    z-index: 30;
    display: flex;
    flex-direction: column;
}

.drawer.open {
    transform: translateX(0)
}

.drawer header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .9rem;
    border-bottom: 1px solid #e5e7eb;
}

.drawer .content {
    overflow: auto;
    padding: .75rem;
    display: flex;
    flex-direction: column;
    gap: .6rem;
}

.sess {
    border: 1px solid #e5e7eb;
    border-radius: .7rem;
    padding: .6rem;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: .4rem .5rem;
}

.sess-title {
    font-weight: 500
}

.sess-sub {
    color: var(--muted);
    font-size: .85rem
}

.sess-actions {
    grid-column: 1 / -1;
    display: flex;
    gap: .4rem;
    flex-wrap: wrap;
}

footer {
    padding: .75rem;
    color: var(--muted);
    text-align: center;
    font-size: .85rem;
}

/* Small helpers */
.hidden {
    display: none !important
}