:root{
  --bg:#f4f7fb;--panel:#fff;--panel2:#f8fafc;--ink:#172033;--muted:#6b7588;
  --line:#dfe5ee;--accent:#2563eb;--accent2:#0f766e;--danger:#b42318;--warn:#b54708;
  --ok:#067647;--shadow:0 8px 28px rgba(20,34,66,.08);--radius:14px;
}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--ink);background:var(--bg)}
button,input,select,textarea{font:inherit}.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.sidebar{background:#111827;color:#fff;padding:22px 16px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:11px;padding:2px 8px 24px}.brand-mark{width:40px;height:40px;border-radius:10px;background:#fff;color:#111827;display:grid;place-items:center;font-weight:800}.brand strong{display:block;font-size:18px}.brand span{display:block;color:#9ca3af;font-size:12px;margin-top:2px}
nav{display:grid;gap:5px}.nav-btn{border:0;background:transparent;color:#cbd5e1;text-align:left;padding:11px 13px;border-radius:9px;cursor:pointer;font-weight:600}.nav-btn:hover,.nav-btn.active{background:#253149;color:#fff}.sidebar-footer{margin-top:auto;display:grid;gap:7px;padding:16px 8px 4px;color:#94a3b8;font-size:12px}.sidebar-footer a{color:#cbd5e1;text-decoration:none}
.main{min-width:0}.topbar{height:96px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 34px;position:sticky;top:0;z-index:5}.topbar h1{font-size:24px;margin:0}.topbar p{margin:4px 0 0;color:var(--muted);font-size:13px}.status-pill{background:#eef6ff;color:#175cd3;border:1px solid #b2ddff;padding:7px 10px;border-radius:999px;font-size:12px;font-weight:700}
.content{padding:28px 34px 50px}.grid{display:grid;gap:18px}.grid.cards{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.metric{min-height:112px}.metric .label{color:var(--muted);font-size:13px;font-weight:600}.metric .value{font-size:34px;font-weight:800;margin-top:12px;letter-spacing:-1px}.section-title{font-size:15px;font-weight:800;margin:0 0 14px}.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}.section-head h2{font-size:17px;margin:0}.section-head p{margin:3px 0 0;color:var(--muted);font-size:12px}.stack{display:grid;gap:18px}.split{display:grid;grid-template-columns:1.45fr .8fr;gap:18px;margin-top:18px}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:11px;background:#fff}table{width:100%;border-collapse:collapse;min-width:680px}th{background:#f8fafc;color:#475467;text-align:left;font-size:12px;padding:11px 12px;border-bottom:1px solid var(--line);white-space:nowrap}td{padding:11px 12px;border-bottom:1px solid #edf0f5;font-size:13px;vertical-align:middle}tr:last-child td{border-bottom:0}.muted{color:var(--muted)}.small{font-size:12px}.mono{font-variant-numeric:tabular-nums}
.badge{display:inline-flex;align-items:center;border-radius:999px;padding:4px 8px;font-size:11px;font-weight:800;background:#eef2f6;color:#475467}.badge.ok{background:#ecfdf3;color:var(--ok)}.badge.warn{background:#fffaeb;color:var(--warn)}.badge.danger{background:#fef3f2;color:var(--danger)}.badge.blue{background:#eff8ff;color:#175cd3}
.btn{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:9px;padding:9px 12px;font-weight:700;cursor:pointer}.btn:hover{background:#f8fafc}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.primary:hover{background:#1d4ed8}.btn.danger{color:var(--danger);border-color:#fecdca;background:#fff}.btn.sm{padding:6px 9px;font-size:12px}.button-row{display:flex;gap:8px;flex-wrap:wrap}.workout-cards{grid-template-columns:repeat(3,minmax(0,1fr))}.workout-card h3{margin:0 0 8px;font-size:18px}.workout-card p{margin:0 0 16px;color:var(--muted);font-size:13px}.workout-card .meta{display:flex;gap:8px;margin-bottom:16px}
.form-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.field{display:grid;gap:6px}.field label{font-size:12px;color:#475467;font-weight:700}.field input,.field select,.field textarea{border:1px solid #cfd7e3;background:#fff;border-radius:8px;padding:9px 10px;outline:none}.field input:focus,.field select:focus,.field textarea:focus{border-color:#84adff;box-shadow:0 0 0 3px #eff4ff}.field textarea{min-height:110px;resize:vertical}.field.disabled input{background:#f2f4f7;color:#667085}
.reps{display:grid;grid-template-columns:repeat(3,68px);gap:6px}.reps input{width:68px;text-align:center;border:1px solid #cfd7e3;border-radius:7px;padding:8px}.weight-select{min-width:112px;border:1px solid #cfd7e3;border-radius:7px;padding:8px;background:#fff}.weight-auto{font-weight:800}.workout-editor{display:grid;gap:16px}.workout-toolbar{display:flex;justify-content:space-between;align-items:end;gap:16px;flex-wrap:wrap}.workout-toolbar .field{min-width:180px}.workout-table td{padding-top:9px;padding-bottom:9px}.muscle{color:#475467;font-weight:700}
.pr-current{font-weight:800}.pr-prev{color:var(--muted)}.empty{padding:36px;text-align:center;color:var(--muted)}.hero{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px;background:linear-gradient(135deg,#fff,#f4f8ff);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.hero h2{margin:0 0 6px;font-size:22px}.hero p{margin:0;color:var(--muted)}
.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.toast{position:fixed;right:24px;bottom:24px;opacity:0;transform:translateY(12px);pointer-events:none;background:#111827;color:#fff;padding:12px 15px;border-radius:10px;box-shadow:var(--shadow);font-size:13px;transition:.2s;max-width:360px;z-index:20}.toast.show{opacity:1;transform:translateY(0)}.toast.error{background:#7a271a}
@media(max-width:1100px){.grid.cards{grid-template-columns:repeat(2,1fr)}.workout-cards{grid-template-columns:1fr}.split,.settings-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.app-shell{grid-template-columns:1fr}.sidebar{height:auto;position:static}.sidebar nav{grid-template-columns:repeat(2,1fr)}.sidebar-footer{display:none}.topbar{position:static;padding:0 18px;height:82px}.content{padding:18px}.grid.cards{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.reps{grid-template-columns:repeat(3,1fr)}.reps input{width:100%}}

/* Exercise analytics */
.analytics-selector{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:18px}.analytics-selector h2,.analytics-head h2{margin:0 0 5px}.analytics-selector p,.analytics-head p,.formula-card p{margin:0;color:var(--muted);font-size:13px}.analytics-select{min-width:270px}.analytics-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:18px}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:11px;font-weight:800;color:var(--muted);margin-bottom:5px}.analytics-metrics{grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:18px}.metric-foot{margin-top:7px;color:var(--muted);font-size:12px}.compact-value{font-size:18px!important;letter-spacing:-.2px!important;line-height:1.25}.analytics-charts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-bottom:18px}.chart-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 14px 8px;min-width:0}.chart-card:first-child{grid-column:1/-1}.chart-title{font-size:14px;font-weight:800;margin:2px 4px 7px}.line-chart{width:100%;height:auto;display:block;overflow:visible}.chart-grid{stroke:#e7ebf2;stroke-width:1}.chart-axis{font-size:10px;fill:#7b8495}.chart-line{fill:none;stroke:var(--accent);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.line-chart circle{fill:#fff;stroke:var(--accent);stroke-width:2.5}.chart-empty{min-height:180px;display:grid;place-items:center;color:var(--muted);background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}.formula-card{margin-bottom:18px}.formula-card strong{display:block;margin-bottom:6px}.link-btn{border:0;background:transparent;padding:0;color:#175cd3;font-weight:750;cursor:pointer;text-align:left}.link-btn:hover{text-decoration:underline}
@media(max-width:1100px){.analytics-metrics{grid-template-columns:repeat(2,1fr)}.analytics-charts{grid-template-columns:1fr}.chart-card:first-child{grid-column:auto}}
@media(max-width:760px){.analytics-selector,.analytics-head{align-items:stretch;flex-direction:column}.analytics-select{min-width:0;width:100%}.analytics-metrics{grid-template-columns:1fr}}

/* Exercise library */
.exercise-library{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.exercise-card{display:grid;gap:15px}.exercise-card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.exercise-card h3{margin:0;font-size:18px}.exercise-quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.exercise-quick-grid>div{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:10px;min-width:0}.exercise-quick-grid span{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:800}.exercise-quick-grid strong{display:block;font-size:18px;margin-top:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.exercise-quick-grid small{display:block;font-size:10px;color:var(--muted);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.exercise-card-meta{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:12px}
@media(max-width:1180px){.exercise-library{grid-template-columns:1fr}.exercise-quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.exercise-quick-grid{grid-template-columns:1fr}}

/* Dashboard workout stats */
.workout-stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.workout-stat-card{box-shadow:none;background:var(--panel2)}.workout-stat-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.workout-stat-head h3{margin:0;font-size:17px}.workout-stat-head>strong{font-size:30px}.workout-stat-meta{display:grid;gap:5px;margin-top:12px;color:var(--muted);font-size:12px}.archived-card{opacity:.72}.grid.cards{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}

/* Workout CRUD */
.workout-card-title{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.workout-manager{display:grid;gap:16px}.workout-name-field{min-width:min(420px,100%)}.order-input{width:76px;border:1px solid #cfd7e3;border-radius:7px;padding:8px}

/* Profile */
.profile-grid{display:grid;grid-template-columns:minmax(280px,.75fr) minmax(0,1.6fr);gap:18px}.profile-summary{text-align:center;align-self:start}.profile-avatar{width:86px;height:86px;border-radius:24px;background:#111827;color:#fff;display:grid;place-items:center;margin:0 auto 14px;font-weight:900;font-size:28px}.profile-summary h2{margin:0 0 7px}.profile-summary>p{color:var(--muted);font-size:13px;margin:0 0 18px}.profile-kpis{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.profile-kpis>div{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:10px}.profile-kpis span{display:block;color:var(--muted);font-size:10px;text-transform:uppercase;font-weight:800}.profile-kpis strong{display:block;margin-top:5px;font-size:18px}.profile-goal{margin-top:12px;background:#eff8ff;color:#175cd3;border-radius:10px;padding:10px;font-size:12px}.profile-form{grid-template-columns:repeat(2,minmax(0,1fr))}.profile-wide{grid-column:1/-1}
@media(max-width:900px){.profile-grid{grid-template-columns:1fr}.profile-form{grid-template-columns:1fr}.profile-wide{grid-column:auto}}

/* v1.5 responsive design refresh */
:root{
  --bg:#f5f7fb;--panel:#ffffff;--panel2:#f7f9fc;--ink:#111827;--muted:#667085;
  --line:#e3e8ef;--accent:#2563eb;--accent-soft:#eff6ff;--shadow:0 10px 35px rgba(15,23,42,.07);
  --shadow-soft:0 3px 12px rgba(15,23,42,.055);--radius:16px;
}
html{scroll-behavior:smooth}body{overflow-x:hidden}.app-shell{grid-template-columns:252px minmax(0,1fr)}
.sidebar{padding:22px 15px;background:linear-gradient(180deg,#101827 0%,#111827 100%);border-right:1px solid rgba(255,255,255,.05);z-index:30}
.brand{padding:3px 9px 26px}.brand-mark{box-shadow:0 6px 16px rgba(0,0,0,.18)}
.nav-btn{padding:11px 13px;border-radius:10px;transition:background .16s ease,color .16s ease,transform .16s ease}.nav-btn:hover{transform:translateX(2px)}
.main{width:100%;min-width:0}.topbar{height:84px;padding:0 clamp(20px,3vw,42px);box-shadow:0 1px 0 rgba(15,23,42,.02);backdrop-filter:blur(10px)}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}.topbar h1{font-size:clamp(20px,2vw,25px);letter-spacing:-.35px}.topbar p{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:62vw}
.menu-btn{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:11px;cursor:pointer;font-size:20px;color:#344054}
.content{width:100%;max-width:1680px;margin:0 auto;padding:clamp(20px,2.8vw,36px) clamp(18px,3vw,42px) 64px}.card{box-shadow:var(--shadow-soft);border-color:#e4e9f0}.card:hover{border-color:#d8dee8}
.btn{transition:transform .14s ease,box-shadow .14s ease,background .14s ease}.btn:hover{transform:translateY(-1px)}.btn.primary{box-shadow:0 4px 12px rgba(37,99,235,.16)}
.grid.cards{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}.metric{min-height:118px}.metric .value{font-size:clamp(29px,3vw,36px)}
.workout-cards{grid-template-columns:repeat(auto-fit,minmax(285px,1fr))}.workout-card{display:flex;flex-direction:column}.workout-card .button-row{margin-top:auto}
.form-grid{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}.settings-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.hero{background:linear-gradient(135deg,#fff 20%,#f3f7ff 100%)}
.table-wrap{max-width:100%;-webkit-overflow-scrolling:touch}.table-wrap table{min-width:640px}
.sidebar-backdrop{display:none;position:fixed;inset:0;background:rgba(15,23,42,.44);backdrop-filter:blur(2px);z-index:25}

/* Grouped workout session */
.workout-session-shell{display:grid;gap:22px;padding-bottom:86px}.session-top-card{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 22px;position:sticky;top:101px;z-index:4;box-shadow:0 10px 30px rgba(15,23,42,.08)}
.session-top-main{display:flex;align-items:center;gap:16px;min-width:0}.session-top-main h2{margin:0 0 5px;font-size:20px;letter-spacing:-.25px}.session-top-main p{margin:0;color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:55vw}.session-top-actions{display:flex;align-items:end;justify-content:flex-end;gap:18px;flex-shrink:0}.session-progress{min-width:88px;text-align:right}.session-progress span{display:block;font-size:22px;font-weight:850;letter-spacing:-.5px}.session-progress small{display:block;color:var(--muted);font-size:11px;margin-top:1px}.session-date{min-width:160px}.session-date input{width:100%}
.muscle-groups{display:grid;gap:24px}.muscle-group-section{display:grid;gap:12px}.muscle-group-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 3px}.muscle-group-head>div{display:flex;align-items:center;gap:9px}.muscle-group-head h2{margin:0;font-size:17px;letter-spacing:-.15px}.muscle-dot{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px var(--accent-soft)}
.session-exercise-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(310px,1fr));gap:12px}.session-exercise-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:16px;box-shadow:var(--shadow-soft);display:grid;gap:14px;min-width:0;transition:border-color .16s ease,box-shadow .16s ease,transform .16s ease}.session-exercise-card:focus-within{border-color:#9bbcff;box-shadow:0 8px 24px rgba(37,99,235,.09)}.session-exercise-card:hover{transform:translateY(-1px);border-color:#d3dae5}
.session-exercise-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.session-exercise-head h3{margin:0;font-size:15px;line-height:1.3}.session-exercise-head p{margin:3px 0 0;color:var(--muted);font-size:11px}.session-exercise-meta{display:grid;grid-template-columns:1fr 1fr;gap:8px}.session-exercise-meta>div{background:var(--panel2);border:1px solid #ebeff4;border-radius:10px;padding:9px 10px;min-width:0}.session-exercise-meta span,.session-exercise-meta small{display:block;color:var(--muted);font-size:10px}.session-exercise-meta strong{display:block;margin:3px 0 2px;font-size:14px;min-height:22px}.session-exercise-meta .weight-select{width:100%;min-width:0;padding:4px 6px;border-radius:7px;font-size:12px}.session-reps-label{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;color:var(--muted);font-size:10px;font-weight:750;text-align:center;text-transform:uppercase;letter-spacing:.04em}.session-reps{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.session-reps input{width:100%;height:44px;border-radius:9px;font-size:16px;font-weight:750;background:#fff}.session-reps input:focus{outline:0;border-color:#8db2ff;box-shadow:0 0 0 3px #eff4ff}
.session-save-bar{position:fixed;left:calc(252px + clamp(18px,3vw,42px));right:clamp(18px,3vw,42px);bottom:18px;z-index:12;display:flex;align-items:center;justify-content:space-between;gap:18px;background:rgba(17,24,39,.94);backdrop-filter:blur(14px);color:#fff;border:1px solid rgba(255,255,255,.08);border-radius:15px;padding:12px 14px 12px 18px;box-shadow:0 18px 50px rgba(15,23,42,.22);max-width:calc(1680px - 84px);margin-left:auto}.session-save-bar>div{min-width:0}.session-save-bar strong{display:block;font-size:13px}.session-save-bar span{display:block;color:#aeb8c8;font-size:11px;margin-top:2px}.session-save-btn{white-space:nowrap;min-width:138px}

/* Smoother responsive analytics/library/profile */
.analytics-charts{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}.chart-card:first-child{grid-column:auto}.exercise-library{grid-template-columns:repeat(auto-fit,minmax(360px,1fr))}.profile-grid{grid-template-columns:minmax(250px,.7fr) minmax(0,1.55fr)}

@media(max-width:1180px){
  .session-exercise-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
  .session-top-card{top:96px}.session-top-main p{max-width:36vw}
  .profile-grid{grid-template-columns:1fr}.profile-summary{text-align:left}.profile-avatar{margin-left:0}
}

@media(max-width:900px){
  .app-shell{display:block}.sidebar{position:fixed;left:0;top:0;bottom:0;width:min(310px,84vw);height:100dvh;transform:translateX(-103%);transition:transform .22s ease;box-shadow:22px 0 50px rgba(15,23,42,.2)}
  body.nav-open .sidebar{transform:translateX(0)}body.nav-open .sidebar-backdrop{display:block}.menu-btn{display:grid;place-items:center}
  .sidebar-footer{display:grid}.topbar{position:sticky;top:0;height:76px;padding:0 18px}.topbar p{max-width:55vw}.content{padding:20px 18px 56px}
  .session-top-card{top:91px}.session-save-bar{left:18px;right:18px;max-width:none;margin:0}.split{grid-template-columns:1fr}
  .analytics-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.exercise-library{grid-template-columns:1fr}
}

@media(max-width:640px){
  .topbar{height:70px}.topbar h1{font-size:19px}.topbar p{font-size:11px;max-width:56vw}.status-pill{display:none}.menu-btn{width:38px;height:38px;font-size:18px}.content{padding:16px 12px 82px}
  .card{padding:14px;border-radius:13px}.grid.cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.metric{min-height:98px}.metric .label{font-size:11px}.metric .value{font-size:27px;margin-top:8px}.metric-foot{font-size:10px}
  .section-head{align-items:flex-start}.section-head:not(.no-stack){flex-direction:column}.section-head .btn{width:100%}.hero{align-items:stretch;flex-direction:column}.hero .button-row .btn{flex:1 1 140px}
  .button-row{width:100%}.workout-card .button-row .btn{flex:1 1 100px}.form-grid,.profile-form{grid-template-columns:1fr}.settings-grid{grid-template-columns:1fr}
  .session-top-card{position:static;display:grid;gap:15px;padding:14px}.session-top-main{align-items:flex-start}.session-top-main .btn{flex-shrink:0}.session-top-main h2{font-size:18px}.session-top-main p{max-width:67vw}.session-top-actions{justify-content:space-between;align-items:end;width:100%;gap:12px}.session-progress{text-align:left;min-width:76px}.session-date{min-width:0;flex:1}.session-exercise-grid{grid-template-columns:1fr}.muscle-groups{gap:20px}.muscle-group-head h2{font-size:16px}.session-exercise-card{padding:14px}.session-save-bar{bottom:10px;left:10px;right:10px;padding:10px 10px 10px 13px}.session-save-bar span{display:none}.session-save-btn{min-width:122px;padding:9px 11px}
  .analytics-selector,.analytics-head{align-items:stretch;flex-direction:column}.analytics-metrics{grid-template-columns:1fr 1fr;gap:10px}.analytics-charts{grid-template-columns:1fr}.analytics-select{width:100%;min-width:0}.exercise-quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.exercise-card-meta{display:grid}.profile-kpis{grid-template-columns:repeat(2,1fr)}
  .toast{left:12px;right:12px;bottom:82px;max-width:none}.table-wrap{border-radius:9px}.table-wrap table{min-width:600px}
}

@media(max-width:420px){
  .grid.cards{grid-template-columns:1fr}.analytics-metrics{grid-template-columns:1fr}.exercise-quick-grid{grid-template-columns:1fr}.session-exercise-meta{grid-template-columns:1fr 1fr}.session-save-bar strong{font-size:12px}.session-save-btn{min-width:112px}.topbar p{max-width:50vw}
}
@media(max-width:900px){.sidebar nav{grid-template-columns:1fr}}

/* v1.6 exercise CRUD + dedicated rules */
.exercise-editor{display:grid;gap:18px;max-width:980px}.exercise-editor .form-grid{align-items:end}.rules-card{display:grid;gap:18px}.rules-table .rule-input{width:86px;border:1px solid #cfd7e3;border-radius:8px;padding:8px 9px;background:#fff;font-weight:750}.rules-table .rule-input:focus{outline:0;border-color:#84adff;box-shadow:0 0 0 3px #eff4ff}.rules-save-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-top:2px}.rules-save-row>div{display:grid;gap:3px}.rules-save-row span{font-size:12px;color:var(--muted)}
@media(max-width:760px){.rules-save-row{align-items:stretch;flex-direction:column}.rules-save-row .btn{width:100%}.rules-table{min-width:720px}.exercise-editor{max-width:none}}