*,*::before,*::after{max-width:100%}
body,#app{overflow-x:hidden}
img{max-width:100%;display:block}
/* ===========================
   Digital Library — AI Hub style (pixel-perfect)
   =========================== */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#f5f9ff;
  --blue-1:#dbe9ff;
  --blue-2:#bcd8ff;
  --blue-3:#7cb3ff;
  --primary:#1e4fa0;
  --primary-2:#2a7dff;
  --primary-grad:linear-gradient(135deg,#3a8dff 0%,#1e4fa0 100%);
  --purple-soft:rgba(108,92,231,.14);
  --teal-soft:rgba(0,184,148,.14);
  --teal:#00b894;
  --danger:#e74c3c;
  --highlight:#e74c3c;
  --text:#0f2952;
  --text-soft:#4f6a92;
  --text-muted:#8a9cbb;
  --white:#ffffff;
  --surface:rgba(255,255,255,.85);
  --shadow-sm:0 4px 14px rgba(30,80,160,.10);
  --shadow-card:0 10px 28px rgba(30,80,160,.12);
  --shadow-lg:0 20px 50px rgba(30,80,160,.18);
  --r-xxl:32px; --r-xl:26px; --r-lg:22px; --r-md:18px; --r-sm:14px;
  --fs:16px;
  --font:'Tahoma','Arial',system-ui,-apple-system,sans-serif;
}
[data-theme="dark"]{
  --bg:#0f1a2f;--blue-1:#1a2d52;--blue-2:#122242;--blue-3:#2a4a80;
  --text:#e6eeff;--text-soft:#b3c3e5;--text-muted:#7d8fba;
  --white:#1a2d52;--surface:rgba(30,44,78,.7);
  --shadow-card:0 8px 28px rgba(0,0,0,.4);
}
[data-theme="sepia"]{
  --bg:#fbf5e9;--blue-1:#f2e5c8;--blue-2:#e4d1a8;--blue-3:#c8a669;
  --primary:#8a5a2b;--primary-2:#b8860b;
  --primary-grad:linear-gradient(135deg,#d4a259 0%,#8a5a2b 100%);
  --text:#4a3520;--text-soft:#7a5c3a;--text-muted:#a88a66;
  --shadow-card:0 8px 28px rgba(120,80,30,.12);
}

html,body{height:100%;width:100%;max-width:100%;overflow-x:hidden;overflow-y:hidden}
body{font-family:var(--font);font-size:var(--fs);color:var(--text);direction:rtl;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;line-height:1.6;background:var(--bg);}
button,input{font-family:inherit;color:inherit;border:none;background:none;outline:none;font-size:inherit}
button{cursor:pointer}

/* ===== App shell ===== */
#app{height:100vh;height:100dvh;width:100%;max-width:480px;margin:0 auto;position:relative;overflow:hidden;background:var(--bg);overflow-x:hidden}
.scroll-area,.sub-scroll{overflow-x:hidden;width:100%;}

/* ===== Screens ===== */
.screen{position:absolute;inset:0;display:flex;flex-direction:column;opacity:0;pointer-events:none;transform:translateX(12px);transition:opacity .28s,transform .28s;}
.screen.active{opacity:1;pointer-events:auto;transform:translateX(0)}
.scroll-area{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-bottom:120px;position:relative;background:linear-gradient(180deg,var(--blue-2) 0%,var(--blue-1) 38%,var(--bg) 58%);}
.sub-scroll{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:16px;padding-bottom:120px}

/* ================== HEADER ================== */
.header{
  position:relative;z-index:10;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px 0;
  padding-top:calc(18px + env(safe-area-inset-top));
  direction:rtl;
}
.header-brand{display:flex;align-items:center;gap:12px;flex-direction:row-reverse}
.brand-icon{
  width:60px;height:60px;border-radius:18px;background:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(30,80,160,.15);flex-shrink:0;
}
.brand-icon svg{width:40px;height:40px}
.brand-text{text-align:right}
.brand-title{font-size:1.8rem;font-weight:900;color:var(--primary);line-height:1.15;letter-spacing:-.5px}
.brand-sub{font-size:.82rem;color:var(--primary);opacity:.75;margin-top:4px;font-weight:500}
.settings-round{
  width:56px;height:56px;border-radius:50%;background:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(30,80,160,.15);flex-shrink:0;
  border:none;transition:transform .15s;
}
.settings-round:active{transform:scale(.9)}
.settings-round svg{width:24px;height:24px}

/* ================== HERO ================== */

.hero{position:relative;padding:10px 20px 14px;direction:rtl;z-index:1;overflow:hidden}
.hero-orb{position:absolute;right:-80px;top:-80px;width:460px;height:460px;background:radial-gradient(closest-side,rgba(124,179,255,.55),rgba(124,179,255,0) 70%);border-radius:50%;z-index:0;pointer-events:none}
.hero-wave{position:absolute;left:-100px;top:20px;width:380px;height:300px;background:radial-gradient(closest-side,rgba(150,200,255,.35),transparent 70%);border-radius:50%;z-index:0;pointer-events:none}
.hero-content{position:relative;z-index:2;display:flex;flex-direction:row-reverse;align-items:center;gap:10px;min-height:230px;padding:8px 0 6px}
.hero-text{flex:1;min-width:0;text-align:right}
.hero-robot-wrap{position:relative;flex-shrink:0;width:190px;height:220px;display:flex;align-items:center;justify-content:center}
.hero-ring{position:absolute;inset:0;width:190px;height:190px;margin:auto;border-radius:50%;border:2px solid rgba(124,179,255,.30)}
.hero-ring::after{content:"";position:absolute;inset:16px;border-radius:50%;border:1px solid rgba(124,179,255,.18)}
.hero-robot{width:190px;height:220px;object-fit:contain;filter:drop-shadow(0 18px 26px rgba(30,80,160,.22));animation:bob 3.5s ease-in-out infinite;pointer-events:none;position:relative;z-index:2}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
.sparkle{position:absolute;background:#fff;border-radius:50%;box-shadow:0 0 10px #fff,0 0 20px rgba(255,255,255,.7);z-index:3;animation:twinkle 2.2s ease-in-out infinite}
.sp1{right:8%;top:4px;width:10px;height:10px;animation-delay:.1s}
.sp2{right:22%;top:28px;width:6px;height:6px;animation-delay:.6s}
.sp3{right:40%;top:6px;width:7px;height:7px;animation-delay:1.2s}
@keyframes twinkle{0%,100%{opacity:.3;transform:scale(.7)}50%{opacity:1;transform:scale(1.15)}}
.hero-title{font-size:1.55rem;font-weight:900;color:var(--primary);line-height:1.55;text-align:right;margin:10px 0 0;padding:0;word-wrap:break-word;overflow-wrap:break-word}
.hero-desc{font-size:.92rem;color:var(--primary);opacity:.8;line-height:2;text-align:right;margin:10px 0 0;padding:0;font-weight:500}
.hero-underline{display:inline-block;width:70px;height:3px;background:var(--primary-2);border-radius:3px;margin-top:12px;margin-right:0}


/* ================== SEARCH ================== */
.search-wrap{padding:6px 20px 12px;position:relative;z-index:5}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:#fff;border-radius:999px;
  padding:6px;
  height:60px;
  box-shadow:var(--shadow-card);
}
.search-icon{width:50px;height:48px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.search-icon svg{width:24px;height:24px}
.search-box input{flex:1;height:100%;font-size:1rem;text-align:right;padding:0 8px;color:var(--text)}
.search-box input::placeholder{color:var(--text-muted)}
.send-btn{
  width:48px;height:48px;border-radius:50%;
  background:var(--primary-grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(30,80,160,.35);
  transition:transform .12s;flex-shrink:0;
}
.send-btn:active{transform:scale(.92)}
.send-btn svg{width:22px;height:22px}

/* ================== CATEGORY GRID ================== */
.cat-section{padding:8px 20px 4px;position:relative;z-index:5}
.cat-section-title{font-size:.9rem;font-weight:700;color:var(--text-soft);margin-bottom:12px;margin-right:4px}
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.cat-card{
  background:#fff;border-radius:var(--r-lg);
  padding:16px 6px 14px;text-align:center;
  box-shadow:var(--shadow-card);
  cursor:pointer;transition:transform .12s,box-shadow .2s;
  position:relative;overflow:hidden;
  display:flex;flex-direction:column;align-items:center;gap:8px;
}
.cat-card:active{transform:scale(.96)}
.cat-icon{width:64px;height:56px;display:flex;align-items:center;justify-content:center;filter:drop-shadow(0 6px 10px rgba(30,80,160,.18))}
.cat-icon svg{width:58px;height:58px;display:block}
.cat-name{font-size:.85rem;font-weight:800;color:var(--text);line-height:1.3}
.cat-count{font-size:.7rem;color:var(--text-muted);margin-top:2px}

/* ================== ACTION BUTTONS ================== */
.action-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:18px 20px 10px;position:relative;z-index:5}
.action-btn{display:flex;align-items:center;gap:10px;padding:14px;border-radius:var(--r-lg);text-align:right;transition:transform .12s}
.action-btn:active{transform:scale(.97)}
.action-fill{background:var(--primary-grad);color:#fff;box-shadow:0 10px 24px rgba(30,80,160,.28)}
.action-outline{background:#fff;border:2px solid rgba(42,125,255,.3);box-shadow:var(--shadow-sm)}
.action-icon-blue,.action-icon-white{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.action-icon-blue{background:rgba(30,80,160,.1)}
.action-icon-white{background:rgba(255,255,255,.25)}
.action-icon-blue svg,.action-icon-white svg{width:22px;height:22px}
.action-btn > span:nth-of-type(1){flex:1;display:flex;flex-direction:column}
.action-title{font-size:.92rem;font-weight:800;line-height:1.2}
.action-sub{font-size:.7rem;opacity:.8;margin-top:3px}
.action-outline .action-title{color:var(--primary)}
.action-outline .action-sub{color:var(--text-soft)}

/* ================== INFO BUTTONS ================== */
.info-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:2px 20px 10px;position:relative;z-index:5}
.info-btn{display:flex;align-items:center;gap:10px;padding:14px 16px;border-radius:var(--r-lg);background:#fff;text-align:right;position:relative;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .12s}
.info-btn:active{transform:scale(.97)}
.info-purple::after{content:"";position:absolute;left:0;bottom:0;width:70px;height:50px;background:radial-gradient(circle at 20% 100%,rgba(108,92,231,.28) 0%,transparent 70%);border-radius:0 0 0 var(--r-lg)}
.info-teal::after{content:"";position:absolute;right:0;bottom:0;width:70px;height:50px;background:radial-gradient(circle at 80% 100%,rgba(0,184,148,.25) 0%,transparent 70%);border-radius:0 0 var(--r-lg) 0}
.info-icon-teal{width:38px;height:38px;border-radius:12px;background:var(--teal-soft);color:var(--teal);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.info-icon-purple{width:38px;height:38px;border-radius:12px;background:var(--purple-soft);color:var(--purple);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.info-icon-teal svg,.info-icon-purple svg{width:20px;height:20px}
.info-btn > span:nth-of-type(1){flex:1;display:flex;flex-direction:column}
.info-title{font-size:.88rem;font-weight:800;color:var(--text)}
.info-sub{font-size:.7rem;color:var(--text-soft);margin-top:2px}
.info-arrow{width:16px;height:16px;flex-shrink:0;color:var(--primary)}
.bottom-spacer{height:20px}

/* ================== BOTTOM NAV (capsule) ================== */
.bottom-nav{
  position:absolute;left:12px;right:12px;bottom:14px;
  padding-bottom:env(safe-area-inset-bottom);
  height:72px;background:#fff;border-radius:999px;
  display:grid;grid-template-columns:repeat(5,1fr);
  align-items:center;justify-items:center;
  box-shadow:0 10px 32px rgba(30,80,160,.18);
  z-index:50;
}
.bn-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--text-muted);flex:1;height:100%;transition:color .2s}
.bn-btn svg{width:22px;height:22px}
.bn-btn span{font-size:.65rem;font-weight:700}
.bn-btn.active:not(.bn-home){color:var(--primary-2)}
.bn-home{
  width:58px;height:58px;border-radius:50%;background:var(--primary-grad);color:#fff;
  box-shadow:0 8px 22px rgba(30,80,160,.45);margin-top:-22px;transition:transform .12s;
}
.bn-home:active{transform:scale(.94)}
.bn-home svg{width:28px;height:28px}
.bn-home span{display:none}

/* ================== SUB HEADER ================== */
.sub-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;padding-top:calc(14px + env(safe-area-inset-top));gap:8px;flex-shrink:0}
.sub-back,.sub-icon{width:42px;height:42px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);flex-shrink:0;transition:transform .12s;border:none;cursor:pointer}
.sub-actions{display:flex;gap:8px;flex-shrink:0}
.sub-icon svg{width:20px;height:20px}
.sub-icon:active{transform:scale(.9)}
.sub-back:active{transform:scale(.9)}
.sub-back svg{width:22px;height:22px}
.sub-title{flex:1;text-align:center;font-size:1.1rem;font-weight:800;color:var(--primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ================== SUMMARIES ================== */
.summaries-list{display:flex;flex-direction:column;gap:12px;padding-bottom:4px}
.summary-card{background:#fff;border-radius:var(--r-md);padding:16px;box-shadow:var(--shadow-card);position:relative;cursor:pointer;transition:transform .12s}
.summary-card:active{transform:scale(.98)}
.s-title{font-weight:800;color:var(--primary);font-size:1rem;margin-bottom:4px;padding-left:44px}
.s-author{font-size:.82rem;color:var(--text-soft);margin-bottom:8px;padding-left:44px}
.s-date{font-size:.72rem;color:var(--text-muted)}
.card-actions{position:absolute;top:10px;left:10px;display:flex;gap:6px}
.s-fav,.s-del{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#bbb;background:#f5f9ff;transition:all .2s;border:none;cursor:pointer}
.s-fav:hover,.s-del:hover{background:rgba(231,76,60,.1);color:#e74c3c}
.s-fav svg,.s-del svg{width:16px;height:16px}
.s-topic-badge{display:inline-block;font-size:.7rem;padding:3px 10px;border-radius:999px;background:rgba(42,125,255,.12);color:var(--primary-2);font-weight:700;margin-bottom:6px}
.empty-state{text-align:center;padding:50px 20px;color:var(--text-muted);background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow-sm)}
.empty-icon{font-size:56px;margin-bottom:14px}

/* ================== READER ================== */
.reader-scroll{padding:0 4px 10px}
.reader-content{background:#fff;border-radius:var(--r-lg);padding:24px 22px;margin:4px 8px 0;box-shadow:var(--shadow-card)}
.book-header{text-align:center;padding:10px 0 24px;border-bottom:2px solid rgba(42,125,255,.15);margin-bottom:24px}
.book-title{font-size:1.55rem;font-weight:900;line-height:1.5;margin-bottom:8px;background:var(--primary-grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.book-author{font-size:.92rem;color:var(--text-soft)}
.book-author strong{color:var(--text)}
.book-section{margin-bottom:26px}
.section-heading{font-size:1rem;font-weight:800;margin-bottom:12px;padding:6px 14px;display:inline-block;background:var(--primary-grad);color:#fff;border-radius:12px}
.section-body{font-size:1rem;line-height:2.4;text-align:justify;color:var(--text)}
.key-point{color:var(--highlight);font-weight:700;background:linear-gradient(transparent 70%,rgba(231,76,60,.15) 70%)}
.reading-time{text-align:center;padding:14px;margin-top:24px;background:#f5f9ff;border-radius:var(--r-sm);color:var(--text-soft);font-size:.85rem;border:2px dashed rgba(42,125,255,.25)}

/* ================== SETTINGS ================== */
.settings-content,.about-content,.stats-content{display:flex;flex-direction:column;gap:12px}
.set-card,.about-card,.chart-card{background:#fff;border-radius:var(--r-lg);padding:18px;box-shadow:var(--shadow-sm)}
.set-card h3,.chart-card h3{font-size:.88rem;font-weight:700;color:var(--text-soft);margin-bottom:14px}
.theme-row{display:flex;gap:8px}
.theme-pill{flex:1;padding:11px;border-radius:14px;background:#f5f9ff;border:2px solid transparent;font-weight:700;font-size:.85rem;color:var(--text);display:flex;align-items:center;justify-content:center;gap:6px;transition:all .2s}
.theme-pill.active{border-color:var(--primary-2);background:rgba(42,125,255,.1);color:var(--primary)}
.dot{width:14px;height:14px;border-radius:50%;display:inline-block}
.light-dot{background:#e8f2ff;border:1px solid #b8d0f0}
.dark-dot{background:#1a2d52}
.sepia-dot{background:#f4ecd8;border:1px solid #c8b488}
.slider-row{display:flex;align-items:center;gap:12px}
.slider-row .fs-sm{font-size:.85rem;color:var(--text-muted)}
.slider-row .fs-lg{font-size:1.25rem;font-weight:700;color:var(--primary)}
.slider-row input[type=range]{flex:1;-webkit-appearance:none;appearance:none;height:8px;border-radius:4px;background:linear-gradient(90deg,var(--primary-2),var(--primary));outline:none}
.slider-row input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;border-radius:50%;background:#fff;box-shadow:0 4px 12px rgba(30,80,160,.4);border:3px solid var(--primary-2);cursor:pointer}
.mini-note{font-size:.75rem;color:var(--text-muted);text-align:center;margin-top:8px}
.color-row{display:flex;gap:10px;flex-wrap:wrap}
.swatch{width:40px;height:40px;border-radius:50%;border:3px solid #fff;box-shadow:var(--shadow-sm);cursor:pointer;transition:transform .15s,border-color .2s}
.swatch.active{border-color:var(--primary-2);transform:scale(1.15)}
.set-link{display:flex;align-items:center;justify-content:space-between;background:#fff;border-radius:var(--r-lg);padding:16px 18px;box-shadow:var(--shadow-sm);font-weight:700;color:var(--text);font-size:.92rem;transition:transform .12s}
.set-link:active{transform:scale(.98)}
.set-link svg{width:18px;height:18px;color:var(--primary)}
.set-link.danger{color:var(--danger);justify-content:center}

/* ================== ABOUT ================== */
.about-hero{text-align:center;padding:18px;background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow-sm)}
.about-hero img{width:90px;height:90px;border-radius:24px;margin-bottom:10px;box-shadow:var(--shadow-sm)}
.about-hero h2{font-size:1.3rem;font-weight:800;background:var(--primary-grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.about-hero .ver{font-size:.78rem;color:var(--text-muted);margin-top:4px}
.about-card h3{font-size:.9rem;font-weight:700;color:var(--primary);margin-bottom:10px}
.about-card p{font-size:.88rem;line-height:2.1;color:var(--text);margin-bottom:8px}

/* ================== STATS ================== */
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.stat-box{background:#fff;border-radius:var(--r-md);padding:16px 8px;text-align:center;box-shadow:var(--shadow-sm)}
.stat-box .n{display:block;font-size:1.6rem;font-weight:900;background:var(--primary-grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1}
.stat-box .l{display:block;font-size:.72rem;color:var(--text-muted);margin-top:6px;font-weight:700}
.chart-card h3{font-size:.9rem;font-weight:700;color:var(--text);margin-bottom:14px}
#chart-container{max-height:380px;overflow-y:auto;padding-left:2px}
.chart-row{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.chart-label{min-width:80px;max-width:100px;font-size:.78rem;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex-shrink:0;color:var(--text)}
.chart-track{flex:1;height:26px;background:#f5f9ff;border-radius:14px;overflow:hidden;position:relative}
.chart-fill{height:100%;border-radius:14px;background:linear-gradient(90deg,#5ba4ff,#2a7dff);transition:width .7s cubic-bezier(.4,0,.2,1);min-width:4px}
.chart-val{position:absolute;left:10px;top:50%;transform:translateY(-50%);font-size:.72rem;font-weight:700;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.3)}

/* ================== MODAL ================== */
.modal{position:absolute;inset:0;background:rgba(16,42,84,.4);backdrop-filter:blur(6px);display:flex;align-items:flex-end;justify-content:center;z-index:100;animation:fadeIn .25s}
.modal.hidden{display:none}
.modal-card{width:100%;max-width:480px;background:#fff;border-radius:var(--r-xxl) var(--r-xxl) 0 0;padding:20px;padding-bottom:calc(20px + env(safe-area-inset-bottom));animation:slideUp .3s cubic-bezier(.4,0,.2,1)}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.modal-head h3{font-size:1.05rem;font-weight:800;color:var(--primary)}
.modal-close{width:36px;height:36px;border-radius:50%;background:#f5f9ff;display:flex;align-items:center;justify-content:center;color:var(--text-soft);font-size:1rem}
.manage-list{display:flex;flex-direction:column;gap:8px;max-height:50vh;overflow-y:auto}
.manage-item{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-radius:var(--r-sm);background:#f5f9ff}
.manage-item span{font-weight:600}
.manage-item button{color:var(--danger);font-size:.82rem;font-weight:700;padding:6px 12px;border-radius:8px;background:rgba(231,76,60,.1)}
.add-body{display:flex;flex-direction:column;gap:12px}
.add-body input{padding:14px 16px;border-radius:var(--r-sm);background:#f5f9ff;font-size:.95rem}
.add-confirm{padding:14px;border-radius:var(--r-sm);background:var(--primary-grad);color:#fff;font-weight:700;font-size:.95rem;box-shadow:0 8px 20px rgba(30,80,160,.3)}

/* ================== LOADING ================== */
.loading{position:absolute;inset:0;background:rgba(232,242,255,.85);backdrop-filter:blur(8px);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:200;gap:18px}
[data-theme="dark"] .loading{background:rgba(15,26,47,.85)}
.loading.hidden{display:none}
.spinner{width:54px;height:54px;border:4px solid rgba(42,125,255,.2);border-top-color:var(--primary-2);border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.loading p{font-size:.9rem;color:var(--text-soft);font-weight:600}

/* ================== TOAST ================== */
.toast{position:fixed;bottom:100px;left:50%;transform:translateX(-50%) translateY(20px);background:#fff;color:var(--text);padding:12px 20px;border-radius:14px;font-size:.85rem;font-weight:600;opacity:0;pointer-events:none;transition:all .3s;z-index:2000;max-width:90%;text-align:center;box-shadow:var(--shadow-lg)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.error{background:var(--danger);color:#fff}
.toast.success{background:var(--teal);color:#fff}

@media(min-width:481px){#app{border-radius:32px;margin:12px auto;height:calc(100vh - 24px);height:calc(100dvh - 24px);overflow:hidden}}