:root{
  --blue:#0A84FF; --blue-light:#007AFF; --gray-bubble:#E9E9EB; --green:#34C759;
  --red:#FF3B30; --bg-light:#FFFFFF; --text:#000; --sub:#8E8E93; --sep:#D1D1D6;
  --glass:rgba(245,245,245,.55); --font:"Inter",-apple-system,system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%;background:#111;font-family:var(--font);overflow:hidden}
body{display:flex;align-items:center;justify-content:center}
.phone{position:relative;width:100%;height:100%;max-width:430px;overflow:hidden;background:url(img/background.jpg) center/cover}
.phone.blur{    filter: blur(24px) brightness(.6);
    transform: scale(1.1);}
@media(min-width:600px){.phone{height:min(92vh,900px);border-radius:48px;box-shadow:0 0 0 10px #1c1c1e,0 30px 80px rgba(0,0,0,.6)}}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit}
.screen{position:absolute;inset:0;display:flex;flex-direction:column;opacity:0;pointer-events:none;transform:scale(1.04);transition:opacity .45s,transform .45s;color:#fff}
.screen.active{opacity:1;pointer-events:auto;transform:none}
.screen.light{background:var(--bg-light);color:var(--text)}

/* lock */
/* lock */
/* .lock-bg {
    position: absolute;
    inset: -30px;

    background:
        url("img/background.jpg") center / cover no-repeat;

    z-index: -1;
} */

/* .lock-bg.blur {
    filter: blur(24px) brightness(.6);
    transform: scale(1.1);
} */
.status{display:flex;justify-content:space-between;padding:14px 28px 0;font-size:14px;font-weight:600}
.lock-top{text-align:center;margin-top:28px;text-shadow:0 1px 8px rgba(0,0,0,.25)}
.lock-date{font-size:19px;font-weight:500}
.lock-time{font-size:92px;font-weight:600;letter-spacing:-3px;line-height:1}
.notifs{flex:1;overflow-y:auto;padding:24px 12px 8px;display:flex;flex-direction:column;gap:8px;justify-content:flex-end}
.glass{background:var(--glass);backdrop-filter:blur(30px) saturate(1.6);-webkit-backdrop-filter:blur(30px) saturate(1.6);color:#000}
.notif{display:flex;gap:10px;padding:12px;border-radius:22px;text-align:left;animation:pop .5s both}
.notif:nth-child(2){animation-delay:.15s}.notif:nth-child(3){animation-delay:.3s}
.notif.small{justify-content:center;font-size:13px;color:#333;padding:8px;margin:0 10px}
.n-icon{width:38px;height:38px;border-radius:9px;display:grid;place-items:center;font-size:20px;flex:none}
.n-icon.msg{background:linear-gradient(#5BF675,#0CBD2A)}
.n-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: inherit;
    display: block;
}
.art img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: inherit;
    display: block;
}
.n-icon.ig{background:linear-gradient(45deg,#feda75,#d62976,#4f5bd5)}
.n-body{flex:1;min-width:0;font-size:14px;line-height:1.3}
.n-head{display:flex;justify-content:space-between;margin-bottom:2px}
.n-head span{color:#555;font-size:12px}
.stack{display:flex;flex-direction:column;gap:6px;width:100%}
.stack:active{transform:scale(.98)}
.stack .notif:first-child{box-shadow:0 0 0 2px rgba(10,132,255,.5)}
.player{margin:8px 12px 10px;border-radius:24px;padding:12px;display:flex;align-items:center;gap:12px}
.art{width:48px;height:48px;border-radius:10px;background:linear-gradient(135deg,#222,#a01d2e);display:grid;place-items:center;font-size:24px}
.meta{flex:1;display:flex;flex-direction:column;font-size:15px}.meta span{color:#444;font-size:13px}
.pbtn{font-size:22px;width:44px;height:44px;color:#000}
.home-bar{width:134px;height:5px;border-radius:3px;background:#fff;margin:4px auto 10px}
@keyframes pop{from{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:none}}

/* passcode */
.pass-wrap{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:20px}
.screen.blur{    filter: blur(24px) brightness(.6);
    transform: scale(1.1);}
.lock-ico{font-size:26px}
.pass-wrap h2{font-weight:500;font-size:20px}
.dots{display:flex;gap:22px}
.dots i{width:13px;height:13px;border-radius:50%;border:1.5px solid #fff}
.dots i.on{background:#fff}
.dots.shake{animation:shake .4s}
@keyframes shake{25%{transform:translateX(-12px)}50%{transform:translateX(12px)}75%{transform:translateX(-6px)}}
.pad{display:grid;grid-template-columns:repeat(3,78px);gap:16px 26px;margin-top:20px}
.pad button{width:78px;height:78px;border-radius:50%;background:rgba(255,255,255,.18);font-size:34px;font-weight:400;display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1}
.pad button:active{background:rgba(255,255,255,.5)}
.pad small{font-size:9px;letter-spacing:2px;font-weight:600}
.pass-actions{display:flex;justify-content:space-between;width:100%;max-width:300px;font-size:16px;margin-top:10px}
.pass-actions a{cursor:pointer}

/* chat */
.chat-head{display:flex;align-items:center;gap:10px;padding:14px 14px 10px;border-bottom:1px solid var(--sep);background:rgba(249,249,249,.94);backdrop-filter:blur(20px)}
.back{font-size:34px;color:var(--blue-light);cursor:pointer;line-height:.8;padding:0 6px}
.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(#A5ABB8,#858994);color:#fff;display:grid;place-items:center;font-weight:600}
.cname{font-weight:600;font-size:16px}
.thread{flex:1;overflow-y:auto;padding:16px 12px;display:flex;flex-direction:column;gap:4px}
.thread.inline{overflow:visible;padding:8px 0}
.b{max-width:75%;padding:8px 13px;border-radius:19px;font-size:16px;line-height:1.3;animation:bubble .35s cubic-bezier(.2,.9,.3,1.3) both;word-wrap:break-word;white-space:pre-wrap}
.b.in{background:var(--gray-bubble);color:#000;align-self:flex-start;border-bottom-left-radius:5px}
.b.out{background:var(--blue);color:#fff;align-self:flex-end;border-bottom-right-radius:5px}
.b.tap{cursor:pointer;box-shadow:0 0 0 2px var(--blue);animation:bubble .35s both,pulse 1.4s 0.4s infinite}
.b.photo{padding:4px;overflow:hidden}
.b.photo img{display:block;width:200px;height:200px;object-fit:cover;border-radius:15px;background:linear-gradient(135deg,#ffd1dc,#a0c4ff)}
.b.photo div{padding:6px 9px 4px}
.fail{align-self:flex-end;color:var(--red);font-size:12px;margin:2px 4px 6px;display:flex;align-items:center;gap:4px}
.fail b{display:inline-grid;place-items:center;width:16px;height:16px;border-radius:50%;background:var(--red);color:#fff;font-size:11px}
.delivered{align-self:flex-end;color:var(--sub);font-size:11px;margin:2px 4px 6px}
.typing{align-self:flex-start;background:var(--gray-bubble);border-radius:19px;padding:12px 14px;display:flex;gap:4px}
.typing i{width:8px;height:8px;border-radius:50%;background:#9a9a9f;animation:dot 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes dot{0%,60%,100%{opacity:.35;transform:none}30%{opacity:1;transform:translateY(-3px)}}
@keyframes bubble{from{opacity:0;transform:scale(.6) translateY(10px)}to{opacity:1;transform:none}}
@keyframes pulse{50%{box-shadow:0 0 0 6px rgba(10,132,255,.25)}}
.replies{display:flex;flex-direction:column;gap:8px;padding:0 12px 8px;align-items:flex-end}
.replies button{background:#F2F2F7;border:1px solid var(--blue);color:var(--blue-light);padding:9px 14px;border-radius:18px;font-size:15px;text-align:right;animation:pop .4s both}
.composer{display:flex;align-items:center;gap:10px;padding:8px 12px 18px}
.plus{width:32px;height:32px;border-radius:50%;background:#E9E9EB;display:grid;place-items:center;color:#8e8e93;font-size:22px}
.input{flex:1;border:1px solid var(--sep);border-radius:18px;padding:7px 14px;color:#b0b0b5}

/* gallery */
.gal-scroll{flex:1;overflow-y:auto;padding:14px 12px 30px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.grid button{aspect-ratio:1;border-radius:14px;overflow:hidden;background:linear-gradient(135deg,#ffd1dc,#a0c4ff);animation:pop .5s both}
.grid img{width:100%;height:100%;object-fit:cover;display:block}
.letter-sec{margin-top:26px}
.date-chip{text-align:center;color:var(--sub);font-size:12px;margin-bottom:6px}
.letter-sec .b{max-width:88%}
.lock-btn{display:block;margin:26px auto 0;background:var(--blue);color:#fff;padding:13px 26px;border-radius:24px;font-size:16px;font-weight:600;opacity:0;pointer-events:none;transition:.4s}
.lock-btn.show{opacity:1;pointer-events:auto}
.modal{position:absolute;inset:0;background:rgba(0,0,0,.55);backdrop-filter:blur(10px);display:none;align-items:center;justify-content:center;padding:24px;z-index:5}
.modal.show{display:flex}
.modal-card{background:#fff;border-radius:22px;overflow:hidden;width:100%;max-width:360px;animation:pop .35s both}
.modal-card img{width:100%;aspect-ratio:1;object-fit:cover;display:block;background:linear-gradient(135deg,#ffd1dc,#a0c4ff)}
.modal-card p{padding:16px;font-size:16px;line-height:1.4}
.modal-card button{width:100%;padding:14px;border-top:1px solid var(--sep);color:var(--blue-light);font-size:16px;font-weight:600}