/* FITNESS TRACKER · 2026 — mobile-first dark UI
   Design system: obsidian surfaces, coral action, soft ink, large touch targets.
   Pure presentation. Legacy hooks/IDs remain intact for Supabase functionality. */
:root{
  color-scheme:dark;
  --bg:#101115;--surface:#1b1d24;--surface-2:#22252d;--surface-3:#292d37;
  --border:#353943;--border-soft:#292d36;--ink:#f5f5f7;--secondary:#a3a9b7;
  --muted:#7e8595;--accent:#ff7755;--accent-2:#ff9a73;--good:#77d5b3;
  --danger:#ff8989;--radius:19px;--shadow:0 14px 40px rgba(0,0,0,.13)
}
html{scroll-behavior:smooth;scroll-padding-top:32px}
body{background:var(--bg)!important;color:var(--ink)!important;line-height:1.5;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif}
body::before{content:"";position:fixed;inset:0 0 auto;height:330px;pointer-events:none;
  background:radial-gradient(ellipse at 85% -28%,rgba(255,118,84,.16),transparent 72%);z-index:-1}
.container{max-width:1100px;padding:24px 20px 100px}
h1,h2,h3{color:var(--ink);letter-spacing:-.035em}
h2{font-size:21px;font-weight:780}h3{font-size:17px;font-weight:740}
.muted,.fine,.footer{color:var(--muted)}
.top{margin:0 0 26px}
.brand-line{display:flex;align-items:center;gap:14px}
.brand-mark{flex:none;display:grid;place-items:center;width:48px;height:48px;border-radius:16px;
  background:linear-gradient(140deg,var(--accent),#fc4f58);color:#161519;font-weight:900;
  font-size:25px;box-shadow:0 9px 24px rgba(255,105,81,.20)}
.brand-eyebrow{display:block;font-size:10px;font-weight:800;color:var(--accent-2);
  letter-spacing:.19em;text-transform:uppercase;margin-bottom:1px}
.top h1{font-size:27px;font-weight:850;margin:0;letter-spacing:-.055em;line-height:1.06}
.top .brand-subtitle{font-size:12px;color:var(--secondary);margin-top:8px}
.stats{margin-top:19px;gap:7px}
.stat{color:#d3d7df;background:var(--surface-2);border:1px solid var(--border-soft);
  border-radius:999px;padding:7px 12px;font-size:11px;font-weight:650}
.card{background:var(--surface)!important;border:1px solid var(--border)!important;
  border-radius:var(--radius);padding:24px;margin:15px 0;box-shadow:var(--shadow)}
.card h2:first-child{margin-bottom:10px}
.panel> .card:first-child{margin-top:5px}
.tabs{position:sticky;top:0;z-index:20;padding:9px 0 14px;margin:0 0 8px;
  background:linear-gradient(180deg,var(--bg) 84%,rgba(16,17,21,.90));gap:9px}
.tabs label{border:1px solid var(--border);background:var(--surface);color:var(--secondary);
  border-radius:13px;font-size:13px;font-weight:700;min-height:47px;padding:12px 14px;
  display:flex;align-items:center;justify-content:center;gap:9px;transition:background .15s,color .15s}
.tabs label:hover{background:var(--surface-2)}
.tabs .nav-icon{display:inline-flex;width:18px;height:18px;align-items:center;justify-content:center;opacity:.83}
.tabs .nav-icon svg{display:block;width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.9;
  stroke-linecap:round;stroke-linejoin:round}
#tab-diary:checked~.tabs label[for="tab-diary"],
#tab-food:checked~.tabs label[for="tab-food"],
#tab-training:checked~.tabs label[for="tab-training"],
#tab-schedule:checked~.tabs label[for="tab-schedule"]{
  color:#1d1715!important;border-color:var(--accent)!important;background:var(--accent)!important;
  box-shadow:0 6px 18px rgba(255,119,85,.15)}
input,textarea,select{font-family:inherit}
button,a,.tabs label{touch-action:manipulation}
button:focus-visible,a:focus-visible,textarea:focus-visible,input:focus-visible,select:focus-visible,
.tabs label:focus-visible{outline:3px solid rgba(255,151,101,.75);outline-offset:2px}
.diary-btn{background:var(--accent);color:#19181a;border:1px solid transparent;border-radius:11px;
  font-size:13px;font-weight:800;padding:11px 15px;min-height:43px;transition:filter .15s,transform .12s}
.diary-btn:active{transform:scale(.98)}
.diary-btn:hover{filter:brightness(1.07)}
.diary-btn.secondary{background:var(--surface-3)!important;color:var(--ink)!important;
  border:1px solid var(--border)!important}
.diary-btn.danger{background:#3a242a!important;border:1px solid #694148!important;color:#ffaaa4!important}
button:disabled{cursor:not-allowed;opacity:.55}
a{color:var(--accent-2)}
/* Day dashboard */
.day-dashboard{background:linear-gradient(145deg,#292329,#201e26 65%,#1c1e26);position:relative;
  border:1px solid #514049;border-radius:23px;padding:23px;margin-bottom:17px;overflow:hidden}
.day-dashboard:after{content:"";position:absolute;width:220px;height:220px;border:1px solid rgba(255,143,104,.18);
  border-radius:50%;right:-105px;top:-135px;box-shadow:0 0 0 36px rgba(255,143,104,.035);pointer-events:none}
.hero-top{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;position:relative;z-index:1}
.hero-eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:.14em;color:#ffa18a;font-weight:750}
.hero-date{font-size:29px;line-height:1.1;letter-spacing:-.055em;font-weight:850;margin:8px 0}
.hero-workout{font-size:13px;color:#d6cbd0;margin-top:9px}
.hero-chip{flex:none;border:1px solid #694d4e;color:#ffc1ae;background:#4b3034;
  padding:7px 10px;border-radius:999px;font-size:11px;font-weight:750;max-width:45%;text-align:center}
.hero-chip.is-done{background:#24433b;color:#99edd0;border-color:#3c6b5e}
.hero-progress{margin-top:20px;position:relative;z-index:1}
.hero-progress-label{display:flex;justify-content:space-between;gap:10px;font-size:12px;color:#d4cacf}
.hero-progress-label strong{color:var(--ink);font-variant-numeric:tabular-nums}
.hero-track{margin-top:8px;width:100%;height:8px;border-radius:100px;background:#51434b;overflow:hidden}
.hero-fill{display:block;height:100%;width:0%;background:linear-gradient(90deg,#ff7755,#ffb470);border-radius:inherit;transition:width .35s}
.hero-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px}
.hero-footer p{font-size:12px;color:#c4b9c1;margin:0}
.hero-jump{font-size:12px;white-space:nowrap;text-decoration:none;color:#ffb091;font-weight:750}
.metrics-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:20px}
.metric-tile{background:var(--surface);border:1px solid var(--border);border-radius:17px;
  padding:16px;min-width:0;display:flex;flex-direction:column;gap:5px}
.metric-icon{font-size:17px;line-height:1;color:var(--accent)}
.metric-value{font-size:25px;font-weight:840;letter-spacing:-.05em;line-height:1.15;
  font-variant-numeric:tabular-nums;color:var(--ink)}
.metric-label{font-size:11px;color:var(--secondary);line-height:1.28}
.metric-note{font-size:10px;color:var(--muted)}
.section-kicker{color:var(--accent-2);text-transform:uppercase;letter-spacing:.12em;font-size:10px;font-weight:800}
/* Workout logger */
.workout-panel{margin-top:0!important}
.workout-panel > h2{font-size:22px}
.workout-panel > p:first-of-type{font-size:13px;color:var(--secondary);line-height:1.45;
  max-width:760px}
.cloud-login{background:var(--surface-2)!important;border:1px solid var(--border)!important;
  padding:13px 15px!important;border-radius:13px!important;margin-bottom:20px!important}
.cloud-login h3{font-size:13px;margin:0 0 3px;color:var(--ink)}
.cloud-login .muted{font-size:12px;line-height:1.4}
.cloud-login .diary-controls{margin:8px 0 0}
#diary.signed-in .cloud-login{padding:9px 13px!important;background:#1b2b2a!important;
  border-color:#31584f!important}
#diary.signed-in .cloud-login h3,#diary.signed-in .cloud-login .muted{display:none}
#diary.signed-in .cloud-login .diary-controls{margin:0!important;display:flex!important}
#diary.signed-in .cloud-login .diary-controls label{display:none}
#diary.signed-in .cloud-login .diary-controls .diary-btn{min-height:32px;padding:5px 10px;
  border-radius:8px;font-size:11px}
#diary.signed-in #login-status{margin:6px 0 0!important;color:#96d5bf;font-size:12px}
#diary .diary-controls{align-items:end;gap:12px;margin:15px 0}
#diary .diary-controls label{color:var(--secondary);font-size:12px;font-weight:700}
#diary .diary-controls input,#diary .diary-controls select,
#diary #diary-type,#diary .diary-calendar-toggle{
  background:var(--surface-2)!important;color:var(--ink)!important;border:1px solid #414752!important;
  border-radius:11px!important;min-height:45px!important;height:45px!important;
  -webkit-text-fill-color:var(--ink)!important;font-size:13px!important}
#diary #diary-type:disabled{opacity:.8!important;background:#242d34!important}
#diary .diary-calendar-toggle{padding:8px 13px!important}
#diary .note{background:#282630!important;border:1px solid #45404b;color:#d5cdd7;
  border-radius:13px;padding:12px 14px;font-size:12px;line-height:1.5}
#diary .diary-exercise-static{background:var(--surface-2)!important;border:1px solid #414650!important;
  margin:11px 0!important;border-radius:16px!important;overflow:hidden;
  transition:border-color .18s,background .18s}
#diary .diary-exercise-static[open]{border-color:#665148!important;background:#25252b!important}
#diary .diary-exercise-static summary{min-height:70px;align-items:center;
  padding:14px 15px!important;display:grid;grid-template-columns:19px minmax(0,1fr) auto;gap:8px;
  color:var(--ink);font-size:14px;font-weight:750;line-height:1.25;text-align:left}
#diary .diary-exercise-static summary:before{margin:0;color:var(--accent);font-size:17px}
#diary .diary-exercise-static summary>span:first-child{text-align:left;min-width:0}
#diary .diary-exercise-static summary .plan-count{
  background:#34343d;padding:7px 8px;border-radius:8px;color:#d9d5da;font-size:11px!important;
  font-weight:700!important;white-space:nowrap}
#diary .diary-exercise-static[open] summary{border-bottom:1px solid var(--border)!important}
#diary .diary-exercise-static .muscles{padding:12px 15px 8px;font-size:12px;color:var(--secondary)}
#diary .diary-exercise-static.has-saved{border-left:3px solid #6cd1ae!important}
#diary .diary-exercise-static.has-saved summary:after{content:"✓";color:#8ae2c0;
  font-size:13px;position:absolute;right:12px;bottom:3px}
#diary .diary-exercise-static.has-saved summary{position:relative}
#diary .previous-hint{background:#252e3b!important;border:1px solid #3c4d63!important;
  color:#e6edf7!important;border-radius:12px!important;margin:8px 12px 12px!important;padding:12px!important}
#diary .previous-hint .hint-label{color:#b7cced!important}
#diary .previous-hint .hint-tip{color:#c7d6ea!important;font-size:12px}
#diary .previous-hint .hint-set{background:#33435a!important;color:#e0e9f8!important;
  border:1px solid #50637f!important;border-radius:7px}
#diary .previous-hint .copy-last{border:1px solid #7285a3!important;color:#e6edff!important;
  background:#39475b!important;border-radius:9px!important;min-height:38px}
#diary .last-exercise-comment{background:#303c4d!important;color:#e6ebf6!important;border-color:#88a1cc!important}
#diary .last-exercise-comment small{color:#b8c9e8!important}
#diary .static-set{gap:6px!important}
#diary .static-set input:not([type=checkbox]){background:#181b22!important;border:1px solid #444a55!important;
  color:#fff!important;border-radius:10px!important;font-size:14px!important;height:46px!important;
  -webkit-text-fill-color:#fff!important}
#diary .static-set input::placeholder{color:#8c94a1!important;-webkit-text-fill-color:#8c94a1!important;opacity:1}
#diary input[type=checkbox]{accent-color:var(--accent);width:19px;height:19px}
#diary .exercise-comment{padding:2px 13px 12px!important}
#diary .exercise-comment label{color:#e2e5ed;font-weight:700;font-size:12px}
#diary .exercise-comment textarea{background:#181b22!important;color:#fff!important;
  border:1px solid #444a55!important;border-radius:11px!important;font-size:13px;padding:12px;min-height:85px}
#diary .exercise-comment textarea::placeholder{color:#838c9b}
#diary .exercise-comment .comment-help{color:var(--muted);font-size:11px}
#diary .set-actions{gap:7px;padding:0 12px 14px}
#diary .set-actions button{min-height:41px!important;padding:10px 12px!important;
  border-radius:10px!important;font-size:12px!important;font-weight:700!important}
#diary .add-static-set,#diary .exercise-video-toggle,#diary .exercise-video-link{
  background:#363038!important;color:#ffa989!important;border:1px solid #695047!important;
  border-radius:10px!important;min-height:40px}
#diary .save-exercise{background:#28473d!important;color:#91edc5!important;
  border:1px solid #4f846c!important;border-radius:10px!important}
#diary .delete-selected-sets{background:#34262c!important;color:#faaca9!important;
  border:1px solid #63414a!important;border-radius:10px!important}
#diary .delete-selected-sets:disabled{opacity:.45}
#diary .exercise-save-state{font-size:11px;color:var(--muted)}
#diary .exercise-save-state.saved{color:var(--good)!important}
#diary .exercise-save-state.error{color:#ff9e9e!important}
#diary .exercise-video-hint{color:var(--muted)}
#diary .exercise-video-frame.is-shorts{max-width:290px;border-radius:12px;border:1px solid var(--border)}
#diary .diary-actions{margin-top:18px;gap:7px}
#diary .diary-status{color:#a0b2c2}
#diary .diary-calendar-popup{background:#23262e!important;border:1px solid #535863!important;
  box-shadow:0 24px 70px rgba(0,0,0,.5)!important;color:var(--ink)!important}
#diary .diary-calendar-nav{background:#30343f!important;border:1px solid #555a64!important;color:#f4f5f8!important}
#diary .diary-calendar-weekday,#diary .diary-calendar-legend{color:#a1a9b8!important}
#diary .diary-calendar-day{color:#c4cad6!important}
#diary .diary-calendar-day.logged{color:#fff!important}
#diary .diary-calendar-day.selected{background:#624238!important;border-color:#f29773!important}
#diary .diary-calendar-day:hover:not(:disabled){background:#373c47!important}
#diary .diary-calendar-day:disabled{color:#656b76!important}
#diary .diary-calendar-day.logged:after{background:var(--accent)!important}
/* Apple Watch / history */
#diary .watch-inline{background:#212329!important;border:1px solid #444750!important;
  padding:16px!important;border-radius:15px!important}
#diary .watch-inline-top h3{font-size:17px}
#diary .watch-inline-caption,#diary .watch-inline-help{color:var(--secondary)}
#diary .watch-day-status{color:#ffc6b4}
#diary .watch-workout-row{background:#2a2e36;border-color:#454955;color:var(--ink)}
#diary .watch-workout-row small{color:var(--secondary)}
#diary .watch-fields label{color:#d9dce4}
#diary .watch-fields input{background:#171a20!important;color:#fff!important;
  border:1px solid #424955!important;border-radius:10px!important}
#diary .watch-delete{color:#fba4a2;background:#3b2930;border-color:#654b4f}
#diary .history-item{border-color:var(--border-soft)}
#diary .history-item button{font-size:13px}
#diary .history-item .fine{color:var(--secondary)}
/* Plan, nutrition and progress styles */
#food .cal{color:#ffb291}
#food .meal{border-color:var(--border);padding:17px 0;gap:12px}
#food .meal>div:first-child{color:#ffb094;font-size:12px;font-weight:750}
#food .meal strong{font-size:15px;margin-bottom:3px;color:var(--ink)}
#food .note,#training .note,#schedule .note{background:#29272e;border:1px solid #47424a;
  color:#d5d2d9;border-radius:12px}
#food .table th,#food .table td{border-color:var(--border)}
#food .table th{color:var(--secondary)}
.nutrition-hero{border-radius:19px;padding:22px;background:linear-gradient(130deg,#30252a,#22242c);
  border:1px solid #654640;display:flex;justify-content:space-between;align-items:center;gap:18px}
.nutrition-hero strong{font-size:37px;letter-spacing:-.055em;color:#ff9978;line-height:1.15}
.nutrition-hero p{font-size:12px;color:#e0d0cd}
.nutrition-hero small{color:#c2ada9}
.nutrition-hero .nutrition-art{font-size:39px;flex:none}
.workout{border-color:var(--border);background:#1a1d24;border-radius:16px}
.workouthead{background:#292a33;color:var(--ink);padding:17px 18px}
.exercise{border-color:var(--border-soft);gap:10px}
.exercise .name{color:var(--ink)}
.exercise .muscle{color:var(--secondary)}
.exercise .reps{color:#ffad8f}
.video{background:#342e32!important;border:1px solid #654841!important;
  color:#ffb398!important;border-radius:9px;font-weight:700}
.daygrid{grid-template-columns:repeat(7,minmax(0,1fr));gap:8px}
.day{background:#252830;color:var(--secondary);border:1px solid #383e48;border-radius:12px;
  min-height:90px;padding:11px;font-size:12px}
.day strong{font-size:13px;color:var(--ink)}
.day.active-day{background:#32272b;border-color:#754b46;color:#ffb59c}
.day.climb{background:#292c3f;border-color:#4c5380;color:#aebdfd}
.progress-month{border:1px solid var(--border);border-radius:18px;background:var(--surface);
  padding:19px;margin-bottom:18px}
.progress-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}
.progress-heading h2{margin:0;font-size:19px}
.progress-month-nav{display:flex;gap:7px}
.progress-nav-btn{width:38px;height:38px;border-radius:11px;background:var(--surface-3);
  color:var(--ink);border:1px solid var(--border);font:inherit;cursor:pointer}
.progress-nav-btn:disabled{opacity:.3}
.progress-month-title{font-size:13px;color:var(--secondary);text-transform:capitalize;margin-top:4px}
.progress-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:5px;margin-top:18px}
.progress-weekday{text-align:center;font-size:11px;color:var(--muted);padding:5px}
.progress-day{border:1px solid transparent;border-radius:12px;height:49px;
  background:#24272e;color:#b4bdca;font:inherit;font-size:13px;position:relative;cursor:pointer}
.progress-day.logged{background:#40302f;border-color:#69443e;color:#fff;font-weight:850}
.progress-day.logged:after{content:"";position:absolute;bottom:6px;left:calc(50% - 2px);
  width:4px;height:4px;background:var(--accent);border-radius:50%}
.progress-day.today{border-color:#8d6b62}
.progress-day:disabled{opacity:.26;cursor:not-allowed}
.progress-info{margin-top:12px;color:var(--secondary);font-size:12px}
.progress-kpis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin:14px 0}
.progress-kpi{border:1px solid var(--border);background:var(--surface-2);border-radius:13px;
  padding:15px;min-width:0}
.progress-kpi strong{font-size:25px;display:block;font-variant-numeric:tabular-nums}
.progress-kpi span{font-size:11px;color:var(--secondary)}
/* Responsive */
@media(max-width:720px){
  .container{padding:20px 13px calc(106px + env(safe-area-inset-bottom,0px))}
  .top{margin-bottom:18px}.brand-mark{width:43px;height:43px;border-radius:14px;font-size:23px}
  .top h1{font-size:24px}.stats{margin-top:14px}
  .tabs{position:fixed;left:0;right:0;bottom:0;top:auto;height:auto;z-index:100;
    margin:0!important;padding:9px 9px calc(10px + env(safe-area-inset-bottom,0px));
    border-top:1px solid #3a3d46;background:#191b21!important;
    gap:4px;box-shadow:0 -14px 34px rgba(0,0,0,.30)}
  .tabs label{border:0!important;background:transparent!important;border-radius:12px;
    color:#8e97a6;min-width:0;padding:8px 2px!important;min-height:56px;
    display:flex;flex-direction:column;gap:2px;font-size:10px!important;font-weight:750}
  .tabs .nav-icon{width:24px;height:23px}
  .tabs .nav-icon svg{width:22px;height:22px}
  #tab-diary:checked~.tabs label[for="tab-diary"],
  #tab-food:checked~.tabs label[for="tab-food"],
  #tab-training:checked~.tabs label[for="tab-training"],
  #tab-schedule:checked~.tabs label[for="tab-schedule"]{
    background:#382b2c!important;color:#ffad91!important;border:0!important;
    box-shadow:none!important}
  .card{padding:17px;margin:12px 0;border-radius:17px}
  .day-dashboard{padding:20px 17px;border-radius:20px;margin-bottom:12px}
  .hero-date{font-size:26px}.hero-chip{font-size:10px;padding:6px 8px}
  .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .metric-tile{padding:13px;border-radius:14px;min-height:106px}
  .metric-value{font-size:24px}
  .workout-panel>p:first-of-type{font-size:12px}
  #diary .diary-exercise-static summary{font-size:13px;padding:12px!important}
  #diary .diary-exercise-static summary .plan-count{font-size:10px!important;padding:7px 6px}
  #diary .set-actions button{font-size:11px!important;padding:9px 10px!important}
  #diary .diary-calendar-popup{max-width:calc(100vw - 36px)}
  #diary .diary-calendar-day{min-height:36px}
  #diary .watch-inline{padding:13px!important}
  .daygrid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .day{min-height:67px}
  .exercise{grid-template-columns:minmax(0,1fr) 88px}
  .progress-month{padding:15px}
  .progress-grid{gap:4px}
  .progress-day{height:42px;border-radius:9px}
  .progress-kpi{padding:11px}
  .progress-kpi strong{font-size:21px}
}
@media(min-width:721px){
  .tabs .nav-icon{width:16px;height:16px}
  .tabs .nav-icon svg{width:17px;height:17px}
}
@media(prefers-reduced-motion:reduce){
  *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
}