/* ── COMPONENTS: Buttons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 16px;border-radius:10px;border:1px solid var(--border);background:rgba(255,255,255,.035);color:var(--text2);font-size:13.5px;font-weight:650;font-family:inherit;letter-spacing:.005em;cursor:pointer;transition:transform .08s,background .15s,border-color .15s,box-shadow .15s,opacity .15s}
.btn:hover{background:rgba(255,255,255,.07);color:var(--text);border-color:var(--border-strong)}.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--grad-accent);border-color:transparent;color:#0B0F1A;box-shadow:0 8px 22px -12px rgba(99,102,241,.6)}
.btn-primary:hover{color:#0B0F1A;box-shadow:0 12px 26px -10px rgba(99,102,241,.8)}
.btn-ghost{background:rgba(255,255,255,.035);color:var(--text2)}.btn-danger{background:rgba(248,113,113,.10);border-color:rgba(248,113,113,.32);color:var(--red)}.btn-danger:hover{background:rgba(248,113,113,.18);color:var(--red)}
.btn-sm{padding:7px 12px;font-size:12px}.btn-xs{padding:4px 8px;font-size:11px;border-radius:8px}.btn-full{width:100%}
.close-btn{background:transparent;border:0;color:var(--text2);font-size:24px;line-height:1;cursor:pointer;padding:0 4px}.close-btn:hover{color:var(--text)}
.del-set-btn{background:transparent;border:0;color:var(--text3);cursor:pointer;font-size:18px;line-height:1;padding:0 5px}.del-set-btn:hover{color:var(--red)}
.photo-del{position:absolute;top:6px;right:6px;width:28px;height:28px;border:0;border-radius:50%;background:rgba(0,0,0,.6);color:#fff;font-size:16px;display:flex;align-items:center;justify-content:center;cursor:pointer;line-height:1}

/* ── COMPONENTS: Cards ── */
.card,.metric,.tcard,.ex-block,.template-day-block,.photo-card,.best-card,.profile-stat,.friend-card,.req-card,.workout-feed-item{background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.012));border:1px solid var(--hairline);border-radius:var(--radius);box-shadow:var(--shadow-soft)}
.card{padding:1.15rem}.card-row{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:.85rem}.card-title{margin-bottom:.85rem}
.metric-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px}.metric{padding:1rem}.mval{font-size:24px;font-weight:800;margin-top:4px;color:var(--text);font-variant-numeric:tabular-nums}.mlabel{margin-bottom:4px}
.empty{text-align:center;padding:2.5rem 1rem;color:var(--text3);font-size:13px}.empty-icon{font-size:36px;display:block;margin-bottom:.75rem;opacity:.45}.chart-wrap{position:relative;width:100%}.section-line{flex:1;height:1px;background:var(--hairline)}
.toast{position:fixed;left:50%;bottom:24px;z-index:999;transform:translateX(-50%);padding:11px 20px;border-radius:999px;background:var(--text);color:#0B0F1A;font-size:13px;font-weight:800;opacity:0;pointer-events:none;transition:opacity .25s;white-space:nowrap;box-shadow:var(--shadow-lg)}.toast.show{opacity:1}
.offline-banner{display:none;position:fixed;left:0;right:0;top:64px;z-index:210;margin:0 auto;padding:8px 14px;background:rgba(251,191,36,.14);border:1px solid rgba(251,191,36,.35);color:var(--accent-3);font-size:12px;font-weight:800;text-align:center}
.sync-badge{position:absolute;top:4px;right:8px;min-width:17px;height:17px;border-radius:999px;background:var(--red);color:#fff;font-size:10px;font-weight:900;align-items:center;justify-content:center;padding:0 5px;line-height:17px}.nb .sync-badge{top:-4px;right:-4px}.has-pending-sync{position:relative}

/* ── COMPONENTS: Modals ── */
.modal-bg{position:fixed;inset:0;z-index:300;display:none;align-items:center;justify-content:center;padding:1rem;background:rgba(0,0,0,.75)}.modal-bg.open{display:flex}
.modal{width:100%;max-width:560px;max-height:92vh;overflow-y:auto;background:rgba(11,15,26,.96);border:1px solid var(--hairline);border-radius:18px;box-shadow:var(--shadow-lg)}
.modal-head{position:sticky;top:0;z-index:1;display:flex;align-items:center;justify-content:space-between;padding:1.15rem 1.25rem .8rem;background:rgba(11,15,26,.98);border-bottom:1px solid var(--hairline)}.modal-title{font-size:16px;font-weight:800}.modal-body{padding:1.25rem}.modal-foot{display:flex;justify-content:flex-end;gap:8px;padding:.85rem 1.25rem;border-top:1px solid var(--hairline)}

/* ── COMPONENTS: Forms ── */
.field{margin-bottom:.85rem}.field label{display:block;margin-bottom:5px;color:var(--text2);font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
input,textarea,select{width:100%;padding:11px 13px;border-radius:10px;border:1px solid var(--border);background:rgba(255,255,255,.04);color:var(--text);font-size:15px;font-family:inherit;outline:0;transition:border-color .15s,box-shadow .15s,background .15s}textarea{resize:vertical;min-height:64px}input::placeholder,textarea::placeholder{color:var(--text3)}
input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(129,140,248,.18)}.err-box{display:none;margin-bottom:.85rem;padding:8px 12px;border-radius:var(--radius-xs);border:1px solid rgba(248,113,113,.35);background:rgba(248,113,113,.10);color:var(--red);font-size:13px}
.upload-zone{border:2px dashed var(--border);border-radius:14px;padding:2.5rem 1.25rem;text-align:center;background:var(--surface);cursor:pointer;transition:border-color .15s,background .15s}.upload-zone:hover{border-color:var(--accent);background:rgba(129,140,248,.08)}.upload-zone input[type=file]{display:none}

/* Exercise library child sheets stay above their parent sheet. */
#modal-exercise-library{z-index:310}
#modal-exercise-actions,#modal-rename-exercise,#modal-machine-settings,#modal-share-split{z-index:320}
.exercise-action-btn+.exercise-action-btn{margin-top:8px}

/* Compact workout previews used below the Home and Today primary actions. */
.home-workout-preview{display:flex;gap:8px;margin-top:14px;padding:8px 0;overflow-x:auto;scrollbar-width:none}
.home-workout-preview::-webkit-scrollbar{display:none}
.home-exercise-chip{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border:1px solid var(--border);border-radius:999px;background:var(--bg3);color:var(--text2);font-size:12px;font-weight:700;line-height:1.2;white-space:nowrap}
.home-exercise-chip i{display:block;width:7px;height:7px;flex:0 0 7px;border-radius:50%}
.home-workout-preview-empty{margin-top:12px;color:var(--text3);font-size:12px}

/* Split sharing surfaces. */
.share-split-name{margin:0 0 14px;color:var(--accent);font-size:15px;font-weight:800}
.shared-split-row{display:flex;align-items:center;gap:12px;justify-content:space-between;padding:11px 0;border-top:1px solid var(--hairline)}
.shared-split-row:first-child{border-top:0}
.shared-split-copy{display:flex;min-width:0;flex:1;flex-direction:column;gap:3px}
.shared-split-copy strong{color:var(--text);font-size:13px}
.shared-split-copy span,.shared-split-copy em{color:var(--text2);font-size:11px}
.shared-split-helper{margin:6px 0 0;color:var(--text2);font-size:12px;line-height:1.45;letter-spacing:0;text-transform:none}
.shared-split-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}