/* ===== Tema (koyu) — dataviz referans paleti ===== */
:root {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #1a1a19;
  --surface-2: #232322;
  --ink: #ffffff;
  --ink-2: #c3c2b7;
  --muted: #898781;
  --grid: #2c2c2a;
  --baseline: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --accent: #3987e5;      /* seri-1 mavi (koyu yüzey adımı) */
  --accent-2: #d95926;    /* seri-2 turuncu */
  --good: #0ca30c;
  --danger: #e66767;
  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--page);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--danger); font-size: 14px; }

main#view {
  padding: 16px 16px calc(84px + env(safe-area-inset-bottom));
  max-width: 560px;
  margin: 0 auto;
}

h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 20px 0 10px; }
.page-sub { color: var(--muted); font-size: 14px; margin: 0 0 16px; }

/* ===== Alt sekme çubuğu ===== */
.tabbar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  display: flex;
  background: rgba(26, 26, 25, 0.92);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  padding-bottom: env(safe-area-inset-bottom);
  z-index: 50;
}
.tab {
  flex: 1;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 11px;
  padding: 8px 0 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  cursor: pointer;
}
.tab .tab-icon { width: 22px; height: 22px; }
.login-logo { color: var(--accent); }
.tab.active { color: var(--accent); }

/* ===== Kartlar ===== */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 12px;
}
.card-title {
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.card-sub { color: var(--muted); font-size: 13px; margin-top: 2px; }

/* ===== Butonlar & formlar ===== */
.btn {
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--ink);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 15px;
  cursor: pointer;
}
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.btn.big { width: 100%; padding: 14px; font-size: 16px; }
.btn.small { padding: 6px 10px; font-size: 13px; border-radius: 8px; }
.btn.ghost { background: none; }
.btn.danger-text { background: none; border: none; color: var(--danger); }

input, select, textarea {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--ink);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 16px; /* iOS zoom engelleme */
  width: 100%;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
label { font-size: 13px; color: var(--ink-2); display: block; margin-bottom: 4px; }

.row { display: flex; gap: 8px; align-items: flex-end; }
.row > * { flex: 1; }
.row > .shrink { flex: 0 0 auto; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

/* ===== Giriş ===== */
.login-view {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 340px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.login-logo { display: flex; justify-content: center; }
.login-card h1 { font-size: 24px; }
.login-card p { margin: 0; }

/* ===== Bugün / set kayıt ===== */
.exercise-card .sets-list { margin: 10px 0; display: flex; flex-direction: column; gap: 6px; }
.set-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-2);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 15px;
}
.set-row .set-no { color: var(--muted); font-size: 13px; width: 42px; }
.set-row .set-val { flex: 1; font-variant-numeric: tabular-nums; }
.set-row .del {
  background: none; border: none; color: var(--muted);
  font-size: 16px; cursor: pointer; padding: 2px 6px;
}
.last-info { font-size: 12px; color: var(--muted); margin-top: 4px; }
.target-badge {
  font-size: 12px;
  color: var(--ink-2);
  background: var(--surface-2);
  border-radius: 999px;
  padding: 3px 10px;
  white-space: nowrap;
}

/* ===== Geçmiş ===== */
.workout-item { cursor: pointer; }
.workout-detail { margin-top: 10px; border-top: 1px solid var(--grid); padding-top: 10px; }
.workout-detail .ex-group { margin-bottom: 10px; }
.workout-detail .ex-name { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.workout-detail .ex-sets { font-size: 13px; color: var(--ink-2); font-variant-numeric: tabular-nums; }

/* ===== İstatistik ===== */
.stat-tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 16px; }
.stat-tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 10px;
  text-align: center;
}
.stat-tile .value { font-size: 20px; font-weight: 700; }
.stat-tile .label { font-size: 11px; color: var(--muted); margin-top: 2px; }

.chart-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; margin-bottom: 12px; }
.chart-card h3 { margin: 0 0 10px; font-size: 15px; }
.chart-wrap { position: relative; height: 220px; }

table.pr-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.pr-table th {
  text-align: left; color: var(--muted); font-weight: 500; font-size: 12px;
  padding: 6px 8px; border-bottom: 1px solid var(--grid);
}
.pr-table td { padding: 8px; border-bottom: 1px solid var(--grid); font-variant-numeric: tabular-nums; }
.pr-table td:first-child { font-variant-numeric: normal; }
.pr-table tr:last-child td { border-bottom: none; }

/* ===== Program ===== */
.program-ex-row { display: flex; gap: 6px; margin-bottom: 6px; align-items: center; }
.program-ex-row select { flex: 2.2; min-width: 0; }
.program-ex-row input { flex: 1; min-width: 0; text-align: center; }
.program-ex-row .del { flex: 0 0 auto; }

/* ===== Ölçüler ===== */
.measure-item { display: flex; justify-content: space-between; align-items: center; }
.measure-details { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* ===== Bildirim ===== */
.toast {
  position: fixed;
  bottom: calc(76px + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--ink);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

details.collapse summary {
  cursor: pointer;
  color: var(--ink-2);
  font-size: 14px;
  padding: 6px 0;
  list-style: none;
}
details.collapse summary::before { content: '▸ '; color: var(--muted); }
details.collapse[open] summary::before { content: '▾ '; }