:root {
  --bg: #0b1120;
  --panel: #111a2e;
  --panel-2: #16213a;
  --border: rgba(148, 163, 184, 0.14);
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #22d3ee;
  --accent-2: #a3e635;
  --good: #34d399;
  --warn: #fbbf24;
  --alert: #f87171;
  --info: #60a5fa;
  --radius: 14px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Heebo', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 15px;
  line-height: 1.55;
}
body::before {
  content: "";
  position: fixed;
  inset: 0 0 auto;
  height: env(safe-area-inset-top, 0px);
  z-index: 10;
  background: var(--bg);
}

h1, h2, h3 { margin: 0; font-weight: 700; }
h3 { font-size: 1.05rem; }
.muted, .hint { color: var(--muted); }
.hint { font-size: 0.85rem; margin: 2px 0 10px; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-block: 14px;
  padding-left: max(24px, env(safe-area-inset-left, 0px));
  padding-right: max(24px, env(safe-area-inset-right, 0px));
  background: rgba(11, 17, 32, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand h1 { font-size: 1.3rem; font-weight: 800; }
.brand .sub { margin: 0; color: var(--muted); font-size: 0.85rem; }
.logo {
  width: 42px; height: 42px; padding: 8px;
  border-radius: 12px;
  fill: #0b1120;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font: inherit; font-weight: 500;
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: #0b1120; border-color: transparent; font-weight: 700; }
.btn.primary:hover { background: #67e8f9; }
.btn.ghost { background: transparent; color: var(--muted); }

main {
  max-width: 1280px;
  margin: 0 auto;
  padding-block: 24px;
  padding-left: max(24px, env(safe-area-inset-left, 0px));
  padding-right: max(24px, env(safe-area-inset-right, 0px));
}

/* ---------- empty state ---------- */
.empty { display: grid; place-items: center; min-height: 70vh; }
.dropzone {
  max-width: 640px; width: 100%;
  padding: 40px 32px;
  text-align: center;
  border: 2px dashed var(--border);
  border-radius: 20px;
  background: var(--panel);
  transition: border-color .15s, background .15s;
}
.dropzone.drag, body.drag .dropzone { border-color: var(--accent); background: var(--panel-2); }
.drop-icon { font-size: 44px; color: var(--accent); line-height: 1; margin-bottom: 8px; }
.dropzone h2 { font-size: 1.35rem; margin-bottom: 6px; }
.dropzone > p { color: var(--muted); margin: 0 0 24px; }
.howto { text-align: right; background: var(--panel-2); border-radius: 12px; padding: 16px 20px; }
.howto ol { margin: 8px 0; padding-inline-start: 20px; }
.howto .muted { font-size: 0.85rem; margin: 6px 0 0; }

/* ---------- toolbar ---------- */
.toolbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; margin-bottom: 18px;
}
.meta { color: var(--muted); font-size: 0.85rem; margin: 0; }
.chips { display: inline-flex; gap: 4px; padding: 4px; background: var(--panel); border: 1px solid var(--border); border-radius: 12px; }
.chips { max-width: 100%; overflow-x: auto; scrollbar-width: none; }
.chips button {
  white-space: nowrap;
  border: 0; background: transparent; color: var(--muted);
  padding: 6px 14px; border-radius: 8px; font: inherit; cursor: pointer;
}
.chips button.active { background: var(--panel-2); color: var(--text); box-shadow: inset 0 0 0 1px var(--accent); }
.chips.small button { padding: 3px 10px; font-size: 0.85rem; }

/* ---------- KPI cards ---------- */
.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(165px, 1fr)); gap: 12px; margin-bottom: 28px; }
.kpi { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.kpi .label { color: var(--muted); font-size: 0.82rem; }
.kpi .value { font-size: 1.6rem; font-weight: 800; letter-spacing: -0.5px; direction: ltr; text-align: right; }
.kpi .value small { font-size: 0.8rem; font-weight: 500; color: var(--muted); margin-inline-start: 4px; }
.kpi .sub { color: var(--muted); font-size: 0.78rem; }
.progress { height: 6px; border-radius: 3px; background: var(--panel-2); overflow: hidden; margin-top: 6px; }
.progress > span { display: block; height: 100%; background: linear-gradient(90deg, var(--accent-2), var(--accent)); }

/* ---------- insights ---------- */
.section-title { font-size: 1.2rem; margin: 0 0 12px; }
.insights { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 12px; margin-bottom: 28px; }
.insight {
  background: var(--panel);
  border: 1px solid var(--border);
  border-inline-start: 4px solid var(--info);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.insight.good { border-inline-start-color: var(--good); }
.insight.warn { border-inline-start-color: var(--warn); }
.insight.alert { border-inline-start-color: var(--alert); }
.insight .head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.insight .badge {
  font-size: 0.72rem; font-weight: 700; padding: 1px 8px; border-radius: 999px;
  background: rgba(96, 165, 250, .15); color: var(--info);
}
.insight.good .badge { background: rgba(52, 211, 153, .15); color: var(--good); }
.insight.warn .badge { background: rgba(251, 191, 36, .15); color: var(--warn); }
.insight.alert .badge { background: rgba(248, 113, 113, .15); color: var(--alert); }
.insight p { margin: 0; color: #cbd5e1; font-size: 0.92rem; }
.insight .tip { margin-top: 8px; padding: 8px 10px; border-radius: 8px; background: var(--panel-2); font-size: 0.88rem; }
.insight .tip::before { content: 'מה לעשות: '; font-weight: 700; color: var(--accent); }

/* ---------- cards / grid ---------- */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; min-width: 0; }
.card h3 { margin-bottom: 4px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.grid { display: grid; gap: 16px; }
.grid > .card { margin-bottom: 0; }
.grid { margin-bottom: 16px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.chart-box { position: relative; height: 290px; }
.chart-box.tall { height: 320px; }
.chart-box.short { height: 240px; }
.no-chart { display: grid; place-items: center; height: 100%; color: var(--muted); font-size: 0.9rem; text-align: center; }

/* ---------- plan ---------- */
.plan-list { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 8px; }
.plan-list li { display: grid; grid-template-columns: 74px 1fr; gap: 12px; padding: 10px 12px; border-radius: 10px; background: var(--panel-2); }
.plan-list .day { color: var(--muted); font-size: 0.82rem; padding-top: 2px; }
.plan-list b { display: block; }
.plan-list .detail { color: #cbd5e1; font-size: 0.88rem; }
.plan-summary { color: var(--muted); font-size: 0.88rem; margin: 6px 0 0; }
.tag { display: inline-block; font-size: 0.72rem; padding: 0 8px; border-radius: 999px; margin-inline-start: 6px; vertical-align: middle; color: #0b1120; font-weight: 700; }

/* ---------- predictions / records ---------- */
.pred-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 10px; margin: 10px 0; }
.pred { background: var(--panel-2); border-radius: 10px; padding: 12px; text-align: center; }
.pred .name { color: var(--muted); font-size: 0.82rem; }
.pred .time { font-size: 1.4rem; font-weight: 800; direction: ltr; }
.pred .pace { color: var(--muted); font-size: 0.8rem; }
.note { color: var(--muted); font-size: 0.8rem; margin: 6px 0 0; }

.records { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 8px; }
.records li { display: flex; justify-content: space-between; gap: 8px; padding: 8px 10px; background: var(--panel-2); border-radius: 10px; }
.records .r-label { color: var(--muted); font-size: 0.85rem; }
.records .r-date { color: var(--muted); font-size: 0.75rem; display: block; }
.records .r-value { font-weight: 700; text-align: left; white-space: nowrap; }

/* ---------- table ---------- */
#search {
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px;
  padding: 7px 12px; font: inherit; min-width: 240px;
}
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th, td { padding: 9px 10px; text-align: right; white-space: nowrap; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; cursor: pointer; user-select: none; position: sticky; top: 0; background: var(--panel); }
th:hover { color: var(--text); }
th.sorted::after { content: ' ▾'; }
th.sorted.asc::after { content: ' ▴'; }
tbody tr:hover { background: var(--panel-2); }
td.title { max-width: 260px; overflow: hidden; text-overflow: ellipsis; }
.num { direction: ltr; text-align: right; }
.kind-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-inline-end: 6px; }

/* ---------- dialog / toast ---------- */
dialog {
  background: var(--panel); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; width: min(400px, calc(100vw - 32px));
}
dialog::backdrop { background: rgba(0, 0, 0, .6); }
dialog label { display: grid; gap: 4px; margin: 14px 0; color: var(--muted); font-size: 0.9rem; }
dialog input { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; font: inherit; }
dialog small { font-size: 0.78rem; }
.dialog-actions { display: flex; justify-content: flex-start; gap: 8px; margin-top: 18px; }

#toast {
  position: fixed; bottom: 20px; left: 50%; transform: translate(-50%, 40px);
  background: var(--panel-2); border: 1px solid var(--accent); color: var(--text);
  padding: 10px 18px; border-radius: 12px; opacity: 0; pointer-events: none;
  transition: opacity .2s, transform .2s; z-index: 20; max-width: calc(100vw - 32px);
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }
#toast.error { border-color: var(--alert); }

/* ---------- layout: side navigation + panels ---------- */
.layout { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 24px; align-items: start; }
.sidenav {
  position: sticky; top: calc(env(safe-area-inset-top, 0px) + 92px);
  display: grid; gap: 2px; padding: 8px;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
}
.sidenav a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: 10px;
  color: var(--muted); text-decoration: none; font-weight: 500;
}
.sidenav a:hover { color: var(--text); background: var(--panel-2); }
.sidenav a.active { color: var(--text); background: var(--panel-2); box-shadow: inset -3px 0 0 var(--accent); }
.sidenav .ico { width: 18px; text-align: center; color: var(--accent); font-size: 0.95rem; }
.sidenav .count {
  margin-inline-start: auto; font-size: 0.72rem; font-weight: 700;
  padding: 0 7px; border-radius: 999px; background: rgba(248, 113, 113, .18); color: var(--alert);
}
.sidenav .count:empty { display: none; }
.sidenav .nav-coach { margin-top: 6px; border: 1px solid rgba(34, 211, 238, 0.35); color: var(--text); }
.content { min-width: 0; }
.panel { animation: fade .18s ease-out; }
@keyframes fade { from { opacity: .4; } to { opacity: 1; } }
.stack { display: grid; gap: 16px; align-content: start; min-width: 0; }
.stack > .card { margin-bottom: 0; }
.link { color: var(--accent); text-decoration: none; font-size: 0.88rem; }
.link:hover { text-decoration: underline; }
.insights.compact { grid-template-columns: minmax(0, 1fr); margin: 8px 0 0; }
.insights.compact .tip { display: none; }

/* ---------- goal ---------- */
.goal-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 6px; }
.goal-race { font-size: 1.35rem; font-weight: 800; }
.goal-days { color: var(--muted); font-size: 0.88rem; }
.goal-rows { display: grid; gap: 6px; margin-top: 12px; }
.goal-rows div { display: flex; justify-content: space-between; gap: 12px; padding: 8px 10px; background: var(--panel-2); border-radius: 10px; font-size: 0.9rem; }
.goal-rows span:first-child { color: var(--muted); }
.goal-rows b { font-variant-numeric: tabular-nums; }
.goal-verdict { margin: 10px 0 0; font-size: 0.9rem; }
.goal-verdict.good { color: var(--good); }
.goal-verdict.warn { color: var(--warn); }
.goal-empty { color: var(--muted); font-size: 0.9rem; margin: 6px 0 10px; }

/* ---------- technique + zones ---------- */
.form-stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; margin-bottom: 16px; }
.form-stat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; display: grid; gap: 4px; }
.form-stat .top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.form-stat .label { color: var(--muted); font-size: 0.85rem; }
.form-stat .value { font-size: 1.5rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.form-stat .value small { font-size: 0.8rem; font-weight: 500; color: var(--muted); margin-inline-start: 4px; }
.form-stat .ref { color: var(--muted); font-size: 0.78rem; }
.form-stat .what { font-size: 0.85rem; color: #cbd5e1; }
.pill { font-size: 0.72rem; font-weight: 700; padding: 1px 8px; border-radius: 999px; }
.pill.good { background: rgba(52, 211, 153, .15); color: var(--good); }
.pill.warn { background: rgba(251, 191, 36, .15); color: var(--warn); }
.pill.info { background: rgba(96, 165, 250, .15); color: var(--info); }
.zones-table { display: grid; gap: 6px; margin-top: 8px; }
.zones-table div { display: grid; grid-template-columns: 14px 1fr auto; gap: 10px; align-items: center; padding: 8px 10px; background: var(--panel-2); border-radius: 10px; font-size: 0.9rem; }
.zones-table i { width: 10px; height: 10px; border-radius: 50%; }
.zones-table b { font-variant-numeric: tabular-nums; white-space: nowrap; }
.zones-table small { color: var(--muted); display: block; font-size: 0.78rem; }

/* ---------- beta ---------- */
.beta-badge {
  font-size: 0.7rem; font-weight: 700; vertical-align: middle;
  padding: 1px 8px; border-radius: 999px; margin-inline-start: 4px;
  background: rgba(163, 230, 53, 0.15); color: var(--accent-2);
}
.btn.feedback { text-decoration: none; border-color: rgba(163, 230, 53, 0.5); }
.demo-banner {
  margin-bottom: 16px; padding: 10px 14px; border-radius: 10px;
  background: rgba(251, 191, 36, 0.1); border: 1px solid rgba(251, 191, 36, 0.35);
  color: var(--text); font-size: 0.9rem;
}
.demo-banner b { color: var(--warn); }

/* ---------- AI coach ---------- */
.ai-card { border-color: rgba(34, 211, 238, 0.35); background: linear-gradient(180deg, rgba(34, 211, 238, 0.06), transparent 160px), var(--panel); }
.ai-actions { display: flex; gap: 8px; }
.ai-status { color: var(--muted); font-size: 0.9rem; margin: 0 0 8px; }
.ai-status.error { color: var(--alert); }
.ai-status.busy::before {
  content: ''; display: inline-block; width: 10px; height: 10px; margin-inline-end: 8px;
  border-radius: 50%; background: var(--accent); animation: pulse 1s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: 0.25; } }
.ai-result { display: grid; gap: 16px; }
.ai-headline { font-size: 1.15rem; font-weight: 700; margin: 0; text-wrap: balance; }
.ai-result > p { margin: 0; color: #cbd5e1; max-width: 75ch; }
.ai-result h4 { margin: 0 0 8px; font-size: 0.95rem; color: var(--accent); }
.ai-cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.ai-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.ai-list li { background: var(--panel-2); border-radius: 10px; padding: 10px 12px; font-size: 0.9rem; color: #cbd5e1; }
.ai-list li b { color: var(--text); }
.ai-list .why { display: block; margin-top: 2px; }
.ai-list .action { display: block; margin-top: 6px; color: var(--text); }
.ai-list .action::before { content: 'מה לעשות: '; font-weight: 700; color: var(--accent); }
.prio { font-size: 0.7rem; font-weight: 700; padding: 1px 8px; border-radius: 999px; margin-inline-start: 6px; vertical-align: middle; }
.prio.high { background: rgba(248, 113, 113, .15); color: var(--alert); }
.prio.medium { background: rgba(251, 191, 36, .15); color: var(--warn); }
.prio.low { background: rgba(96, 165, 250, .15); color: var(--info); }
.ai-week li { display: grid; grid-template-columns: 74px 1fr; gap: 12px; }
.ai-week .day { color: var(--muted); font-size: 0.82rem; }

.ai-chat { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border); }
.ai-chat h4 { margin: 0 0 10px; font-size: 0.95rem; }
.chat-log { display: grid; gap: 10px; margin-bottom: 10px; max-height: 480px; overflow-y: auto; }
.chat-log:empty { display: none; }
.msg { max-width: 85%; padding: 10px 14px; border-radius: 14px; font-size: 0.92rem; min-width: 0; overflow-wrap: anywhere; }
.msg.user { justify-self: start; background: rgba(34, 211, 238, 0.14); border-start-start-radius: 4px; }
.msg.assistant { justify-self: end; background: var(--panel-2); border-start-end-radius: 4px; color: #cbd5e1; }
.msg p { margin: 0 0 6px; }
.msg p:last-child { margin: 0; }
.msg ul, .msg ol { margin: 4px 0; padding-inline-start: 20px; }
.msg.error { color: var(--alert); }
.suggestions { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.suggestions button {
  border: 1px solid var(--border); background: transparent; color: var(--muted);
  border-radius: 999px; padding: 4px 12px; font: inherit; font-size: 0.82rem; cursor: pointer;
}
.suggestions button:hover { color: var(--text); border-color: var(--accent); }
.chat-form { display: flex; gap: 8px; align-items: flex-end; }
.chat-form textarea {
  flex: 1; min-width: 0; resize: vertical; min-height: 46px; max-height: 200px;
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; font: inherit;
}
.chat-buttons { display: grid; gap: 6px; }

.coach .chat-log { max-height: none; min-height: 120px; padding: 4px 0; }
.coach .chat-log:empty { display: grid; }
.coach .chat-log:empty::before {
  content: 'השיחה תופיע כאן. אפשר להתחיל משאלה מוכנה או לכתוב שאלה משלך.';
  color: var(--muted); font-size: 0.9rem; align-self: center; text-align: center;
}
.suggest-groups { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; margin: 6px 0 14px; }
.suggest-groups > div { display: grid; gap: 6px; align-content: start; }
.suggest-groups span { font-size: 0.75rem; font-weight: 700; letter-spacing: .02em; color: var(--accent); }
.suggest-groups button {
  text-align: right; border: 1px solid var(--border); background: var(--panel-2); color: #cbd5e1;
  border-radius: 10px; padding: 7px 10px; font: inherit; font-size: 0.85rem; cursor: pointer;
}
.suggest-groups button:hover { border-color: var(--accent); color: var(--text); }
.suggest-groups.small { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.suggest-groups.small span { display: none; }
.suggest-groups.small > div button:nth-of-type(2) { display: none; }

dialog fieldset { border: 1px solid var(--border); border-radius: 10px; padding: 4px 14px; margin: 14px 0 0; }
dialog legend { color: var(--text); font-weight: 700; padding: 0 6px; }
dialog select { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; font: inherit; }
dialog label { margin: 10px 0; }
button:focus-visible, input:focus-visible, .btn:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { .ai-status.busy::before { animation: none; } }

@media (max-width: 1000px) {
  .layout { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  /* the header's buttons wrap at this width, so the tab strip becomes the sticky element */
  .topbar { position: static; }
  .sidenav {
    position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5;
    display: flex; overflow-x: auto; scrollbar-width: none; padding: 6px;
  }
  .sidenav::-webkit-scrollbar { display: none; }
  .sidenav a { white-space: nowrap; padding: 7px 12px; }
  .sidenav a.active { box-shadow: inset 0 -2px 0 var(--accent); }
  .sidenav .nav-coach { margin-top: 0; }
}
@media (max-width: 900px) {
  .ai-cols { grid-template-columns: minmax(0, 1fr); }
  .grid.two, .grid.three { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 600px) {
  main, .topbar {
    padding-left: max(16px, env(safe-area-inset-left, 0px));
    padding-right: max(16px, env(safe-area-inset-right, 0px));
  }
  main { padding-block: 16px; }
  .topbar { padding-block: 12px; }
  .insights { grid-template-columns: minmax(0, 1fr); }
  #search { min-width: 0; width: 100%; }
}
.ai-link { margin: 0 0 12px; text-decoration: none; }