:root[data-theme=dark]{color-scheme:dark;--bg-darker: #05090f;--bg-dark: #080e16;--bg-card: #0f1822;--bg-card-hover: #17222f;--border-color: #1c2a3a;--border-focus: #2c3f54;--text-main: #ffffff;--text-muted: #8a9bb0;--primary: #f15a3a;--primary-neon: #ff7457;--strava-orange: #fc4c02;--success: #0fb9b1;--warning: #f59e0b;--error: #ef4444;--bg-hero: linear-gradient(135deg, #16325c, #0d1e33);--text-hero: #ffffff;--bg-coach: linear-gradient(145deg, #112847, #0b1a2c);--text-coach: #d1e2f7;--bg-session: #172c47;--input-bg: #091321}:root[data-theme=light]{color-scheme:light;--bg-darker: #f1f5f9;--bg-dark: #f8fafc;--bg-card: #ffffff;--bg-card-hover: #f1f5f9;--border-color: #cbd5e1;--border-focus: #94a3b8;--text-main: #0f172a;--text-muted: #64748b;--primary: #f15a3a;--primary-neon: #ff7457;--strava-orange: #fc4c02;--success: #0fb9b1;--warning: #f59e0b;--error: #ef4444;--bg-hero: linear-gradient(135deg, #fff5f3, #ffebe7);--text-hero: #2d3748;--bg-coach: linear-gradient(145deg, #f8fafc, #f1f5f9);--text-coach: #334155;--bg-session: #ffffff;--input-bg: #ffffff}:root{font-family:Outfit,Inter,system-ui,-apple-system,sans-serif;line-height:1.5}*{box-sizing:border-box;margin:0;padding:0;transition:background-color .3s ease,border-color .3s ease,color .3s ease,transform .1s ease}body{background:var(--bg-darker);color:var(--text-main);min-height:100vh;overscroll-behavior-y:contain}.container{max-width:600px;margin:0 auto;padding:20px 16px calc(90px + env(safe-area-inset-bottom))}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:12px;border-bottom:1px solid var(--border-color)}.logo-container{display:flex;align-items:center;gap:10px}.logo-icon{background:linear-gradient(135deg,var(--strava-orange),var(--primary));width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.2rem;color:#fff;box-shadow:0 0 10px #fc4c0266}.logo-text{font-size:1.2rem;font-weight:800;letter-spacing:-.5px;background:linear-gradient(to right,#ffffff,var(--text-muted));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.subtitle{font-size:.85rem;color:var(--text-muted)}.tabs-nav{position:fixed;bottom:0;left:0;right:0;background:#040a12f2;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);border-top:1px solid var(--border-color);display:flex;justify-content:space-around;padding:10px 0 calc(10px + env(safe-area-inset-bottom));z-index:1000}.tab-btn{background:none;border:none;color:var(--text-muted);font-size:.75rem;font-weight:600;display:flex;flex-direction:column;align-items:center;gap:4px;cursor:pointer;width:20%;padding:8px 0;min-height:48px}.tab-btn svg{width:22px;height:22px;stroke:var(--text-muted);fill:none;stroke-width:2}.tab-btn.active{color:var(--primary-neon)}.tab-btn.active svg{stroke:var(--primary-neon);filter:drop-shadow(0 0 5px rgba(0,210,255,.5))}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:16px;margin-bottom:16px;position:relative;overflow:hidden;box-shadow:0 4px 20px #0003}.card-title{font-size:1rem;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:8px}.coach-card{background:var(--bg-coach);border-left:4px solid var(--primary-neon)}.coach-text{font-style:italic;font-size:.9rem;color:var(--text-coach);line-height:1.6}.session-item{background:var(--bg-session);border-radius:12px;padding:14px;margin-bottom:10px;display:flex;flex-direction:column;gap:6px;cursor:pointer;border-left:4px solid transparent}.session-item:hover{background:var(--bg-card-hover)}.session-item.completed{border-left-color:var(--success)}.session-item.upcoming{border-left-color:var(--primary)}.session-item.rest{border-left-color:var(--text-muted);opacity:.75}.session-header{display:flex;justify-content:space-between;align-items:center}.session-day{font-size:.75rem;font-weight:800;text-transform:uppercase;color:var(--primary-neon)}.session-status{font-size:.75rem;padding:2px 8px;border-radius:20px;font-weight:700}.session-status.completed{background:#10b98133;color:var(--success)}.session-status.upcoming{background:#1e70eb33;color:#60a5fa}.session-status.rest{background:#8fa0ba33;color:var(--text-muted)}.session-title{font-weight:700;font-size:1rem}.session-details{font-size:.85rem;color:var(--text-muted)}.session-metrics{display:flex;gap:12px;font-size:.8rem;font-weight:600;margin-top:4px}.hero-card{background:var(--bg-hero);color:var(--text-hero);border:1px solid rgba(241,90,58,.2)}.hero-actions{display:flex;gap:10px;margin-top:14px}.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:16px}.stat-box{background:var(--bg-card);border:1px solid var(--border-color);padding:14px;border-radius:12px;text-align:center}.stat-val{font-size:1.5rem;font-weight:800;color:var(--text-main);margin-top:4px}.stat-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase}.btn-strava{background:var(--strava-orange);color:#fff;display:flex;align-items:center;justify-content:center;gap:8px}.btn-strava:hover{background:#e04300}label{display:flex;flex-direction:column;gap:6px;margin-bottom:12px;font-size:.85rem;color:var(--text-muted);font-weight:600}input,textarea,select{background:var(--input-bg);border:1px solid var(--border-color);color:var(--text-main);border-radius:12px;padding:12px 14px;font-size:16px;min-height:44px;width:100%}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--border-focus)}button,.tab-btn,.rpe-btn{-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}button{background:var(--primary);color:#fff;border:none;padding:12px 20px;border-radius:12px;font-size:.95rem;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px}button:active,.tab-btn:active,.rpe-btn:active{transform:scale(.96)!important;opacity:.85;transition:transform .05s ease,opacity .05s ease}button.secondary{background:transparent;border:1px solid var(--border-color);color:var(--text-main)}button.secondary:active{background:#ffffff0d}.overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000a6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:flex-end;justify-content:center;z-index:2000;padding:0}.modal{background:var(--bg-card);border:1px solid var(--border-color);border-radius:24px 24px 0 0;padding:24px 20px calc(24px + env(safe-area-inset-bottom));max-width:600px;width:100%;box-shadow:0 -10px 40px #00000080;animation:slideUpSheet .3s cubic-bezier(.16,1,.3,1) forwards}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.modal-close{background:none;border:none;color:var(--text-muted);font-size:1.8rem;cursor:pointer;width:44px;height:44px;display:flex;align-items:center;justify-content:center}.rpe-container{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:14px 0}.rpe-btn{border:1px solid var(--border-color);background:#091321;color:var(--text-muted);height:44px;border-radius:10px;font-weight:700;font-size:.95rem}.rpe-btn.selected{background:var(--primary-neon);color:#000;border-color:var(--primary-neon);box-shadow:0 0 10px #00d2ff66}.error-bar{background:#ef444426;border:1px solid var(--error);color:#fca5a5;padding:12px 16px;border-radius:12px;font-size:.85rem;margin-bottom:16px;display:flex;align-items:center;justify-content:space-between}.toast-container{position:fixed;bottom:calc(76px + env(safe-area-inset-bottom));left:50%;transform:translate(-50%);display:flex;flex-direction:column-reverse;gap:10px;z-index:3000;max-width:400px;width:calc(100vw - 32px)}.toast-item{background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-main);padding:14px 18px;border-radius:14px;font-size:.9rem;font-weight:600;box-shadow:0 8px 30px #00000080;display:flex;align-items:center;gap:10px;animation:slideInUp .3s cubic-bezier(.16,1,.3,1) forwards;position:relative;overflow:hidden}.toast-item:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px}.toast-item.success{border-color:#10b98166}.toast-item.success:before{background:var(--success)}.toast-item.error{border-color:#ef444466}.toast-item.error:before{background:var(--error)}.toast-item.info{border-color:#00d2ff66}.toast-item.info:before{background:var(--primary-neon)}@keyframes slideUpSheet{0%{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes slideInUp{0%{transform:translateY(30px);opacity:0}to{transform:translateY(0);opacity:1}}.session-steps-container{margin-top:12px;margin-bottom:12px}.session-step-card{display:flex;flex-direction:column;background:var(--bg-dark);border:1px solid var(--border-color);border-left:4px solid var(--text-muted);border-radius:8px;padding:10px 12px;font-size:.85rem;line-height:1.4;gap:4px}.session-step-card.step-warmup{border-left-color:var(--success);background:#0fb9b10f}.session-step-card.step-main{border-left-color:var(--primary);background:#f15a3a0f}.session-step-card.step-cooldown{border-left-color:#60a5fa;background:#60a5fa0f}.session-step-card.step-list-item{border-left-color:var(--warning);background:#f59e0b0a}.step-badge{display:flex;align-items:center;gap:6px;font-weight:700;color:var(--text-main);font-size:.8rem;text-transform:uppercase;letter-spacing:.5px}.step-icon{display:inline-flex;align-items:center;justify-content:center;font-size:1rem}.step-label{font-size:.75rem}.step-content{color:var(--text-muted);font-weight:500;margin-left:2px}.session-step-card.no-label .step-content{margin-left:0;color:var(--text-main)}