/* ================================================================ LAYOUT v5 — mobile + premium aligned desktop ================================================================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{background:var(--bg-base);color:var(--txt);font-family:var(--font-b);font-size:15px;line-height:1.5;overscroll-behavior:none;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100dvh;transition:background .35s,color .35s;overflow-x:hidden}
button{background:none;border:none;cursor:pointer;font:inherit;color:inherit;-webkit-tap-highlight-color:transparent;touch-action:manipulation}
input,textarea,select{font:inherit;color:inherit;background:none;border:none;outline:none}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}

/* ── App shell (mobile) ── */
#app{display:flex;flex-direction:column;height:100dvh;max-width:var(--max-w);margin:0 auto;position:relative;overflow:hidden}
@media(min-width:520px) and (max-width:767px){
  #app{border-left:1px solid var(--border);border-right:1px solid var(--border);box-shadow:var(--shadow-lg)}
  body{background:var(--page-bg)}
}

/* ── Loader ── */
#loader{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;max-width:var(--max-w);margin:0 auto;overflow:hidden}
@media(min-width:768px){#loader{max-width:100%;margin:0}}
.loader-bg{position:absolute;inset:0;background-size:cover;background-position:center 30%;filter:brightness(.18) saturate(.5)}
.loader-over{position:absolute;inset:0;background:var(--loader-over)}
.loader-inner{position:relative;z-index:1;text-align:center;padding:40px 30px}
.loader-brand{font-family:var(--font-d);font-size:52px;font-weight:900;letter-spacing:6px;color:#FFFFFF;line-height:1;margin-bottom:10px}
.loader-brand span{color:#C8FF00}
.loader-tagline{font-size:13px;font-weight:500;letter-spacing:2.5px;text-transform:uppercase;color:var(--loader-sub);margin-bottom:36px}
.loader-bar{width:160px;height:2px;background:var(--loader-bar);border-radius:2px;margin:0 auto 18px;overflow:hidden}
.loader-bar-fill{height:100%;background:#C8FF00;border-radius:2px;transform-origin:left;animation:barLoad 1.7s cubic-bezier(.4,0,.2,1) forwards}
.loader-version{font-size:11px;color:rgba(255,255,255,.28)}
.loader-version a{color:#C8FF00;opacity:.6}

/* ── Topbar (mobile/loader/header) ── */
#topbar{height:var(--top-h);background:var(--bg-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);flex-shrink:0;z-index:20;position:relative;transition:background .35s,border-color .35s}
.topbar-inner{height:100%;padding:0 18px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.brand{display:flex;align-items:baseline;flex-shrink:0}
.brand-text{font-family:var(--font-d);font-size:20px;font-weight:900;letter-spacing:3px;color:var(--txt)}
.brand-dot{font-family:var(--font-d);font-size:20px;font-weight:900;letter-spacing:1px;color:var(--lime)}
#topbar-meta{flex:1;display:flex;justify-content:center;align-items:center;font-size:12px;color:var(--txt-3);font-weight:500}
#topbar-actions{display:flex;align-items:center;gap:6px;flex-shrink:0}
.topbar-btn{width:34px;height:34px;border-radius:9px;background:var(--bg-3);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--txt-2);transition:all var(--transition)}
.topbar-btn:hover{color:var(--txt);border-color:var(--border-2);background:var(--bg-4)}
.topbar-btn:focus-visible{border-color:var(--lime);box-shadow:0 0 0 3px var(--lime-glow)}
.topbar-btn svg{width:15px;height:15px}
.topbar-btn.active{background:var(--lime-dim);border-color:var(--lime-mid);color:var(--lime)}

/* Hide desktop elements on mobile */
.topbar-checkin-btn{display:none}
.sidebar-topbar-actions{display:none;gap:8px;margin:12px 12px 20px 12px;flex-shrink:0;width:calc(100% - 24px)}

/* ── Screen root ── */
#screen-root{flex:1;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;scroll-behavior:smooth}
#screen-root::-webkit-scrollbar{display:none}
@media(min-width:768px){
  #screen-root::-webkit-scrollbar{display:block;width:6px}
  #screen-root::-webkit-scrollbar-track{background:transparent}
  #screen-root::-webkit-scrollbar-thumb{background:var(--border-2);border-radius:6px}
  #screen-root::-webkit-scrollbar-thumb:hover{background:var(--border-3)}
}

/* ── Screen ── */
.screen{padding:18px 18px calc(var(--nav-h) + 22px);min-height:calc(100dvh - var(--top-h));animation:fadeUp .22s ease both}
.screen-full{padding:0;min-height:calc(100dvh - var(--top-h));animation:fadeUp .22s ease both}

/* ── Bottom nav (mobile only) ── */
#bottom-nav{height:var(--nav-h);background:var(--bg-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--border);display:flex;flex-shrink:0;padding-bottom:env(safe-area-inset-bottom,0);position:relative;z-index:20;transition:background .35s,border-color .35s}
.nav-btn{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:8px 4px;color:var(--txt-3);transition:color var(--transition),background var(--transition);position:relative}
.nav-btn.active{color:var(--lime)}.nav-btn:hover:not(.active){color:var(--txt-2)}
.nav-btn:focus-visible{color:var(--txt);background:var(--bg-3)}
.nav-btn.active::after{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:24px;height:2px;background:var(--lime);border-radius:0 0 2px 2px}
.nav-btn svg{width:19px;height:19px}
.nav-label{font-size:10px;font-weight:600;letter-spacing:.5px;text-transform:uppercase}

/* ── Sections ── */
.section{margin-bottom:22px}
.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}

/* ── Toast ── */
#toast-root{position:fixed;bottom:calc(var(--nav-h)+16px);left:50%;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;align-items:center;gap:8px;width:calc(min(var(--max-w),100vw) - 32px);pointer-events:none}
.toast{background:var(--bg-4);border:1px solid var(--border-2);border-radius:var(--r-sm);padding:11px 18px;font-size:13px;font-weight:500;text-align:center;width:100%;pointer-events:auto;animation:toastIn .22s ease,toastOut .22s ease 2.7s forwards;box-shadow:var(--shadow-md);color:var(--txt)}
.toast-success{border-color:var(--lime);color:var(--lime);background:var(--bg-3)}
.toast-error{border-color:var(--red);color:var(--red);background:var(--bg-3)}

/* ── Modals ── */
#modal-root{position:fixed;inset:0;z-index:300;pointer-events:none}
.modal-backdrop{position:absolute;inset:0;background:var(--bg-overlay);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:center;padding:20px;pointer-events:auto;animation:fadeIn .18s ease;overscroll-behavior:contain}
.modal-card{width:min(100%,360px);max-height:min(82vh,640px);overflow:auto;background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r-xl);box-shadow:var(--shadow-lg);padding:24px 20px 20px;text-align:center;animation:fadeUp .2s ease}
.modal-icon{width:58px;height:58px;border-radius:18px;background:var(--lime-dim);border:1px solid var(--lime-mid);color:var(--lime);display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.modal-icon svg{width:26px;height:26px}
.modal-title{font-family:var(--font-d);font-size:28px;font-weight:800;letter-spacing:.5px;line-height:1.05;color:var(--txt);margin-bottom:10px}
.modal-copy{font-size:14px;line-height:1.6;color:var(--txt-2);margin-bottom:18px}
.modal-body{margin-bottom:18px}
.modal-actions{display:flex;gap:10px}
.modal-actions .btn{flex:1}

/* ── Rest timer ── */
#rest-timer-overlay{position:fixed;inset:0;z-index:90;display:flex;align-items:center;justify-content:center;max-width:var(--max-w);margin:0 auto;background:var(--bg-overlay);backdrop-filter:blur(10px)}
.rest-timer-card{text-align:center;padding:40px 32px;background:var(--bg-2);border-radius:var(--r-xl);border:1px solid var(--border);min-width:260px;box-shadow:var(--shadow-lg)}
.rest-timer-num{font-family:var(--font-d);font-size:80px;font-weight:900;line-height:1;color:var(--lime);transition:color .5s}
.rest-timer-label{font-size:12px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--txt-3);margin-top:8px}
.rest-timer-bar{margin-top:16px;height:4px;background:var(--bg-5);border-radius:2px;overflow:hidden}
.rest-timer-bar-fill{height:100%;background:var(--lime);border-radius:2px;transition:width 1s linear,background .5s}

/* ── Hero image card ── */
.hero-img-card{width:100%;height:280px;border-radius:var(--r-lg);position:relative;overflow:hidden;margin-bottom:var(--gap);background-color:var(--bg-3);box-shadow:var(--shadow-lg);border:1px solid var(--border)}
.hero-img-card::before{
  content:'';
  position:absolute;
  inset:-2%;
  background:inherit;
  background-size:cover;
  background-position:inherit;
  filter:brightness(0.88) saturate(1.08);
  transform:scale(1.04);
  z-index:0
}
.hero-img-card::after{
  content:'';
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at top right, rgba(200,255,0,.10) 0%, rgba(200,255,0,0) 35%),
    radial-gradient(circle at bottom left, rgba(77,191,245,.08) 0%, rgba(77,191,245,0) 30%),
    linear-gradient(180deg, rgba(0,0,0,.20) 0%, rgba(0,0,0,.55) 45%, rgba(0,0,0,.92) 100%),
    linear-gradient(90deg, rgba(0,0,0,.28) 0%, rgba(0,0,0,.08) 50%, rgba(0,0,0,.35) 100%);
  z-index:1;
  box-shadow:inset 0 0 50px rgba(0,0,0,.42)
}
[data-theme="light"] .hero-img-card::after{
  background:
    radial-gradient(circle at top right, rgba(200,255,0,.08) 0%, rgba(200,255,0,0) 35%),
    radial-gradient(circle at bottom left, rgba(77,191,245,.06) 0%, rgba(77,191,245,0) 30%),
    linear-gradient(180deg, rgba(0,0,0,.18) 0%, rgba(0,0,0,.48) 45%, rgba(0,0,0,.85) 100%),
    linear-gradient(90deg, rgba(0,0,0,.22) 0%, rgba(0,0,0,.06) 50%, rgba(0,0,0,.28) 100%)
}
.hero-img-card-media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center center;z-index:0;transform:none}
.hero-img-card-content{
  position:absolute;
  inset:0;
  z-index:2;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  padding:28px 26px 32px
}

/* ── Error screen ── */
.error-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60dvh;padding:40px 24px;text-align:center}
.error-icon{font-size:48px;margin-bottom:16px;opacity:.7}

/* ── PWA banner & Notifs ── */
.pwa-banner, .notif-banner{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--r-sm);margin-bottom:12px;cursor:pointer;transition:opacity .2s}
.pwa-banner{background:var(--lime-dim);border:1px solid var(--lime-mid)}
.pwa-banner svg{width:16px;height:16px;color:var(--lime);flex-shrink:0}
.notif-banner{background:var(--blue-dim);border:1px solid var(--blue)}
.notif-banner svg{width:16px;height:16px;color:var(--blue);flex-shrink:0}


/* ════════════════════════════════════════════════════════════════
   ✨ ALIGNED PREMIUM DESKTOP LAYOUT  ≥ 768px ✨
   ════════════════════════════════════════════════════════════════ */
@media(min-width:768px){
  body{background:var(--page-bg)}

  #app{
    max-width:100%;
    width:100%;
    height:100dvh;
    display:grid;
    grid-template-rows:1fr;
    /* Clean, symmetric 260px sidebar width */
    grid-template-columns:260px 1fr; 
    grid-template-areas:
      "sidenav main";
    border:none;
    box-shadow:none;
    overflow:hidden;
    border-radius:0;
  }

  /* ── Topbar (desktop) ── */
  #topbar{
    display:none;
    grid-area:topbar;
    border-left:1px solid var(--border);
    background:var(--bg-glass);
    backdrop-filter:blur(24px);
    -webkit-backdrop-filter:blur(24px);
  }

  #topbar-meta{
    justify-content:center;
    align-items:center;
    height:100%;
  }

  /* Hide date content, show Check-in button */
  #topbar-meta > span{
    display:none;
  }

  #topbar-meta .topbar-checkin-btn{
    display:flex !important;
  }

  /* Hide mobile topbar-actions on desktop */
  #topbar-actions{
    display:none !important;
  }

  /* Topbar Check-in button styling */
  .topbar-checkin-btn{
    display:flex;
    align-items:center;
    gap:8px;
    padding:8px 16px;
    background:none;
    border:1px solid var(--border);
    border-radius:10px;
    color:var(--txt-2);
    font-size:13px;
    font-weight:600;
    letter-spacing:0.3px;
    cursor:pointer;
    transition:all var(--transition);
  }

  .topbar-checkin-btn:hover{
    background:var(--bg-3);
    color:var(--txt);
    border-color:var(--border-2);
  }

  .topbar-checkin-btn svg{
    width:16px;
    height:16px;
  }

  /* ── Screen root (desktop) ── */
  #screen-root{
    grid-area:main;
    border-left:1px solid var(--border);
    background:var(--bg-base);
  }

  /* ── Sidebar Nav (AGI-level Alignment and Redundancy Fix) ── */
  #bottom-nav{
    grid-area:sidenav;
    width:260px; /* Matched to grid column */
    height:100%;
    flex-direction:column;
    align-items:flex-start; /* Correct base alignment to the left */
    justify-content:flex-start;
    border-top:none;
    border-right:1px solid var(--border);
    background:var(--bg-1); /* Solid, sleek background */
    padding:0; /* Precise padding controlled below */
    overflow-y:auto;
    overflow-x:hidden;
  }
  
  /* Sleek scrollbar for sidebar */
  #bottom-nav::-webkit-scrollbar{width:4px}
  #bottom-nav::-webkit-scrollbar-track{background:transparent}
  #bottom-nav::-webkit-scrollbar-thumb{background:var(--border-2);border-radius:4px}

  /* ── Sidebar Brand Header: Show TOMMYY.FIT at top ── */
  .sidebar-brand { 
    display:flex !important;
    padding:24px 12px 16px 12px;
    flex-shrink:0;
    justify-content:center;
    align-items:center;
  }

  .sidebar-brand .brand-text {
    font-size:24px;
  }

  .sidebar-brand .brand-dot {
    font-size:24px;
  }

  /* ── Sidebar Section Label (AGI Matched Alignment) ── */
  .sidebar-section-label{
    font-size:11px;
    font-weight:700;
    letter-spacing:1.8px;
    text-transform:uppercase;
    color:var(--txt-3);
    padding: 24px 12px 10px 12px; /* Precise uniform left start at 12px */
    width: 100%;
    flex-shrink:0;
  }

  /* ── Nav Buttons (Aligned Floating Pills) ── */
  .nav-btn{
    flex-direction:row;
    justify-content:flex-start;
    padding:12px 16px 12px 12px; /* 👈 Text start matches Section Label start */
    margin: 2px 12px 2px 12px; /* 👈 Creates visual "pill" space */
    gap:12px;
    width: calc(100% - 24px); /* 👈 Accounts for left/right margin */
    border-radius:12px; /* Smooth rounded pills */
    color:var(--txt-2);
    position:relative;
    /* High-end easing animation */
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  /* Remove old mobile stripe */
  .nav-btn::before, .nav-btn::after { display:none !important; }

  /* Hover State: Slide and brighten */
  .nav-btn:hover:not(.active){
    background:var(--bg-2);
    color:var(--txt);
    transform:translateX(4px); /* Elegant slide effect */
  }

  /* Active State: Glowing Pill */
  .nav-btn.active{
    background:var(--lime-dim);
    color:var(--lime);
    box-shadow: inset 0 0 0 1px var(--lime-mid);
    transform:translateX(0);
  }

  .nav-btn svg{width:18px;height:18px;flex-shrink:0; transition: transform 0.3s ease}
  .nav-btn:hover svg { transform: scale(1.1); }
  
  .nav-label{
    font-size:14px;
    font-weight:600;
    letter-spacing:0.3px;
    text-transform:none;
    white-space:nowrap;
  }

  /* ── Topbar buttons in sidebar (desktop) ── */
  .sidebar-topbar-actions{
    display:flex;
    gap:8px;
    margin:12px 12px 20px 12px;
    flex-shrink:0;
    width:calc(100% - 24px);
  }

  .sidebar-topbar-actions .topbar-btn{
    flex:1;
    width:100%;
    height:40px;
    border-radius:10px;
  }

  /* ── Sidebar Footer (Matched Aligned Card Style) ── */
  .sidebar-footer{
    margin: auto 12px 20px 12px; /* auto-top centers visually in bottom space */
    padding:16px;
    background:var(--bg-2);
    border-radius:12px;
    border:1px solid var(--border);
    font-size:11px;
    font-weight:600;
    color:var(--txt-3);
    letter-spacing:.5px;
    width: calc(100% - 24px); /* Matched to nav pills */
    flex-shrink:0;
    text-align:center;
    transition: background 0.3s;
  }
  .sidebar-footer:hover { background: var(--bg-3); }
  .sidebar-footer a{color:var(--lime); opacity:.8; text-decoration: none;}
  .sidebar-footer a:hover{opacity:1; text-decoration: underline;}

  /* ── Topbar buttons in sidebar (desktop) ── */
  .sidebar-topbar-actions{
    display:flex;
    gap:8px;
    margin:12px 12px 20px 12px;
    flex-shrink:0;
    width:calc(100% - 24px);
  }

  .sidebar-topbar-actions .topbar-btn{
    flex:1;
    width:100%;
    height:40px;
    border-radius:10px;
  }

  /* Show Check-in button in sidebar, hidden from topbar */
  .nav-btn[data-route="checkin"]{
    display:flex;
  }

  /* ── Screen padding (desktop) ── */
  .screen{
    padding:36px 48px 48px; /* Bigger breathing room on desktop */
    min-height:0;
    max-width:none;
    width:100%;
  }
  .screen-full{
    padding:0;
    min-height:100vh;
    max-width:none;
  }

  /* ── Modals, Toasts, Rest Timers (Offset for 260px sidebar) ── */
  #toast-root{
    bottom:32px;
    left:calc(260px + 50%);
    transform:translateX(-50%);
    width:min(520px,calc(100vw - 260px - 64px));
  }
  #rest-timer-overlay{
    left:260px;
    max-width:calc(100% - 260px);
    margin:0;
  }
  #modal-root .modal-backdrop{
    left:260px;
  }
}

/* ── Animations ── */
@keyframes toastIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes toastOut{to{opacity:0;transform:translateY(-5px)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes barLoad{from{transform:scaleX(0)}to{transform:scaleX(1)}}