:root {
  --bg: var(--tg-theme-bg-color, #f4f5f7);
  --card: var(--tg-theme-secondary-bg-color, #ffffff);
  --text: var(--tg-theme-text-color, #1a1a1a);
  --hint: var(--tg-theme-hint-color, #8a8f98);
  --accent: var(--tg-theme-button-color, #7a5cc4);
  --accent-text: var(--tg-theme-button-text-color, #ffffff);
  --green: #3aa76d;
  --amber: #e0a030;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
html, body { background: var(--bg); color: var(--text); font-family: -apple-system, "SF Pro Text", Roboto, "Segoe UI", sans-serif; }
body { padding-bottom: 40px; min-height: 100vh; }

header { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px 8px; }
.brand { font-size: 19px; font-weight: 700; }
.brand-accent { color: var(--accent); }
.who { font-size: 13px; color: var(--hint); }

.tabs { display: flex; gap: 6px; padding: 8px 16px 12px; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab { flex: 0 0 auto; padding: 7px 14px; border-radius: 18px; font-size: 14px; background: var(--card); color: var(--text); border: none; white-space: nowrap; }
.tab.active { background: var(--accent); color: var(--accent-text); font-weight: 600; }

.view { padding: 0 12px; display: flex; flex-direction: column; gap: 10px; }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.bcard { background: var(--card); border-radius: 14px; padding: 12px; border: none; text-align: left; color: var(--text); box-shadow: 0 1px 3px rgba(0,0,0,.06); }
.bcard:active { opacity: .7; }
.bcard-name { font-size: 14.5px; font-weight: 700; line-height: 1.25; }
.chips { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; }
.chip { font-size: 11px; padding: 2px 7px; border-radius: 9px; background: rgba(122,92,196,.1); color: var(--accent); font-weight: 600; }
.chip.dim { background: rgba(128,128,128,.12); color: var(--hint); }

.card { background: var(--card); border-radius: 14px; padding: 12px 14px; box-shadow: 0 1px 3px rgba(0,0,0,.06); }
.row-card { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.row-title { font-size: 14.5px; font-weight: 600; line-height: 1.3; }
.row-sub { font-size: 12.5px; color: var(--hint); margin-top: 2px; }

.btn { border: none; border-radius: 10px; padding: 9px 14px; font-size: 14px; font-weight: 600; background: rgba(122,92,196,.1); color: var(--accent); white-space: nowrap; }
.btn.primary { background: var(--accent); color: var(--accent-text); }
.btn:active { opacity: .7; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.actions .btn { flex: 1; min-width: 40%; padding: 12px; }

.back { display: inline-flex; align-items: center; gap: 4px; background: none; border: none; color: var(--accent); font-size: 15px; font-weight: 600; padding: 4px 4px 4px 0; }
.h2 { font-size: 16px; font-weight: 700; margin: 6px 4px 0; }
.section-h { font-size: 12.5px; font-weight: 700; color: var(--hint); text-transform: uppercase; letter-spacing: .4px; padding: 8px 4px 0; }

details.study { background: var(--card); border-radius: 12px; padding: 10px 12px; }
details.study summary { font-size: 14px; font-weight: 600; cursor: pointer; list-style: none; }
details.study summary::-webkit-details-marker { display: none; }
details.study[open] summary { color: var(--accent); }
.study-body { font-size: 13.5px; margin-top: 8px; line-height: 1.45; }
.study-body .pitch { margin-top: 6px; padding: 8px 10px; background: rgba(58,167,109,.09); border-radius: 8px; color: var(--green); }

.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.stat { background: var(--card); border-radius: 12px; padding: 10px; text-align: center; }
.stat .v { font-size: 20px; font-weight: 800; color: var(--accent); }
.stat .l { font-size: 11.5px; color: var(--hint); margin-top: 2px; }
.bar-row { display: flex; align-items: center; gap: 8px; font-size: 13px; padding: 3px 0; }
.bar-row .nm { flex: 0 0 42%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-row .bar { height: 8px; border-radius: 4px; background: var(--accent); opacity: .75; }
.bar-row .n { color: var(--hint); font-size: 12px; }

.empty { text-align: center; padding: 50px 20px; color: var(--hint); }
.empty-icon { font-size: 44px; margin-bottom: 10px; }

.toast { position: fixed; left: 50%; bottom: 40px; transform: translateX(-50%); background: rgba(20,20,20,.88); color: #fff; padding: 10px 18px; border-radius: 12px; font-size: 14px; z-index: 20; white-space: nowrap; }