/* ===== Couple·UP 科技感移动端 UI ===== */
:root{
  --bg:#050818;
  --bg2:#080e26;
  --card:rgba(255,255,255,.045);
  --card2:rgba(255,255,255,.075);
  --line:rgba(120,190,255,.16);
  --line2:rgba(160,140,255,.28);
  --txt:#eaf2ff;
  --dim:#8ea3c8;
  --cyan:#5ee7ff;
  --violet:#a78bfa;
  --pink:#ff7ab6;
  --lime:#7dffb2;
  --amber:#ffd479;
  --r:18px;
  --safe:env(safe-area-inset-bottom, 0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  color:var(--txt);
  background:var(--bg);
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
/* 背景光效 */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(120% 60% at 12% -8%, rgba(94,231,255,.20), transparent 55%),
    radial-gradient(90% 50% at 92% 4%, rgba(167,139,250,.22), transparent 58%),
    radial-gradient(80% 50% at 50% 108%, rgba(255,122,182,.16), transparent 60%),
    linear-gradient(180deg,#050818 0%,#070c1e 45%,#04060f 100%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.35;
  background-image:linear-gradient(rgba(120,190,255,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(120,190,255,.055) 1px,transparent 1px);
  background-size:34px 34px;
  mask-image:radial-gradient(120% 80% at 50% 0%,#000 25%,transparent 78%);
  -webkit-mask-image:radial-gradient(120% 80% at 50% 0%,#000 25%,transparent 78%);
}
#app{position:relative;z-index:1;padding-bottom:calc(78px + var(--safe))}
.wrap{max-width:560px;margin:0 auto;padding:0 14px}

/* ---------- 通用 ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:14px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 8px 30px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.05);
  margin-bottom:12px;position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(94,231,255,.7),transparent);
  opacity:.7;
}
.glass{background:var(--card);border:1px solid var(--line);border-radius:var(--r);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.row{display:flex;align-items:center;gap:10px}
.between{display:flex;align-items:center;justify-content:space-between;gap:10px}
.dim{color:var(--dim);font-size:12px}
.tiny{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--dim)}
.mono{font-variant-numeric:tabular-nums}
.grow{flex:1;min-width:0}
.ell{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hide{display:none !important}

/* ---------- 头部 ---------- */
.topbar{padding:calc(14px + env(safe-area-inset-top,0px)) 0 6px}
.brand{display:flex;align-items:center;gap:10px}
.logo{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;font-size:17px;
  background:linear-gradient(135deg,rgba(94,231,255,.28),rgba(167,139,250,.28));
  border:1px solid var(--line2);box-shadow:0 0 20px rgba(94,231,255,.28)
}
.brand h1{font-size:17px;margin:0;font-weight:700;letter-spacing:.02em}
.brand .sub{font-size:11px;color:var(--dim);letter-spacing:.18em;margin-top:2px}

/* 双头像 */
.duo{display:flex;align-items:center;gap:8px}
.av{
  width:38px;height:38px;border-radius:13px;display:grid;place-items:center;font-size:19px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);flex:none;
  box-shadow:0 0 0 3px rgba(94,231,255,.06), 0 6px 18px rgba(0,0,0,.3)
}
.av.sm{width:30px;height:30px;border-radius:10px;font-size:15px}
.link{width:22px;height:1px;background:linear-gradient(90deg,var(--cyan),var(--pink));box-shadow:0 0 8px rgba(94,231,255,.6)}

/* ---------- 打卡主卡 ---------- */
.hero{
  border-radius:22px;padding:18px;margin-bottom:12px;position:relative;overflow:hidden;
  background:linear-gradient(150deg,rgba(94,231,255,.14),rgba(167,139,250,.12) 45%,rgba(255,122,182,.10));
  border:1px solid var(--line2);
  box-shadow:0 12px 40px rgba(10,20,60,.5)
}
.hero .glow{position:absolute;width:180px;height:180px;border-radius:50%;filter:blur(46px);opacity:.55;pointer-events:none}
.hero .g1{background:rgba(94,231,255,.5);top:-70px;right:-40px}
.hero .g2{background:rgba(255,122,182,.45);bottom:-80px;left:-40px}
.hero h2{margin:0 0 6px;font-size:20px;letter-spacing:.01em}
.hero p{margin:0;color:#cfe0ff;font-size:13px;line-height:1.6}
.pulse{position:absolute;right:14px;top:14px;width:10px;height:10px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 0 rgba(255,212,121,.7);animation:pulse 1.8s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 12px rgba(255,212,121,0)}100%{box-shadow:0 0 0 0 rgba(255,212,121,0)}}

/* 统计 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:12px}
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:14px;padding:10px 6px;text-align:center;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)
}
.stat b{display:block;font-size:19px;line-height:1.2;font-variant-numeric:tabular-nums}
.stat span{font-size:10px;color:var(--dim);display:block;margin-top:3px}

/* ---------- 表单 ---------- */
input,textarea,select{
  width:100%;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--txt);
  border-radius:14px;padding:11px 12px;font-size:14px;font-family:inherit;outline:none;
  transition:border-color .2s, box-shadow .2s;
}
input:focus,textarea:focus,select:focus{border-color:rgba(94,231,255,.55);box-shadow:0 0 0 3px rgba(94,231,255,.12)}
textarea{resize:none;min-height:82px;line-height:1.55}
::placeholder{color:#7386a8}
label.fld{display:block;margin-bottom:10px}
label.fld>span{display:block;font-size:12px;color:var(--dim);margin:0 0 6px 4px}

/* 按钮 */
.btn{
  border:none;border-radius:14px;padding:12px 16px;font-size:14px;font-weight:600;font-family:inherit;
  color:#04121f;background:linear-gradient(135deg,var(--cyan),#8fd0ff);
  box-shadow:0 6px 20px rgba(94,231,255,.28);cursor:pointer;transition:transform .12s, filter .2s;
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
}
.btn:active{transform:scale(.97)}
.btn.v{background:linear-gradient(135deg,var(--violet),#c4b5fd);color:#160b2e;box-shadow:0 6px 20px rgba(167,139,250,.3)}
.btn.p{background:linear-gradient(135deg,var(--pink),#ffb3d7);color:#2b0a1c;box-shadow:0 6px 20px rgba(255,122,182,.3)}
.btn.ghost{background:rgba(255,255,255,.06);color:var(--txt);border:1px solid var(--line);box-shadow:none}
.btn.wide{width:100%}
.btn.sm{padding:8px 12px;font-size:12.5px;border-radius:11px}
.btn[disabled]{opacity:.55;pointer-events:none}
.btns{display:flex;gap:8px}

/* 分段控件 */
.seg{display:flex;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:14px;padding:3px;gap:3px;margin-bottom:12px}
.seg button{
  flex:1;border:none;background:transparent;color:var(--dim);padding:9px 6px;border-radius:11px;
  font-size:13px;font-family:inherit;font-weight:600;cursor:pointer;transition:.2s
}
.seg button.on{background:linear-gradient(135deg,rgba(94,231,255,.22),rgba(167,139,250,.22));color:var(--txt);box-shadow:inset 0 0 0 1px var(--line2)}

/* 等级选择 */
.lv{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:10px}
.lv label{
  border:1px solid var(--line);border-radius:14px;padding:10px;text-align:center;cursor:pointer;
  background:rgba(255,255,255,.04);font-size:13px;transition:.2s
}
.lv input{display:none}
.lv input:checked+div{color:var(--txt)}
.lv label:has(input:checked){border-color:var(--cyan);background:rgba(94,231,255,.12);box-shadow:0 0 0 3px rgba(94,231,255,.1)}
.lv label b{display:block;font-size:13.5px;margin-bottom:2px}
.lv label span{font-size:11px;color:var(--dim)}

/* ---------- 列表 ---------- */
.item{
  background:var(--card);border:1px solid var(--line);border-radius:16px;padding:12px;margin-bottom:10px;
  animation:up .35s ease both;position:relative
}
@keyframes up{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.item .head{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.item .who{font-size:13px;font-weight:600}
.item .body{font-size:14px;line-height:1.6;word-break:break-word;white-space:pre-wrap}
.tag{
  font-size:10.5px;padding:3px 8px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.05);color:var(--dim);white-space:nowrap
}
.tag.c{color:var(--cyan);border-color:rgba(94,231,255,.35);background:rgba(94,231,255,.1)}
.tag.v{color:var(--violet);border-color:rgba(167,139,250,.35);background:rgba(167,139,250,.1)}
.tag.p{color:var(--pink);border-color:rgba(255,122,182,.35);background:rgba(255,122,182,.1)}
.tag.g{color:var(--lime);border-color:rgba(125,255,178,.35);background:rgba(125,255,178,.1)}
.tag.a{color:var(--amber);border-color:rgba(255,212,121,.35);background:rgba(255,212,121,.1)}
.quote{border-left:2px solid rgba(94,231,255,.6);padding-left:9px;margin-top:8px;color:#c9dbff;font-size:13.5px;line-height:1.6}
.quote.p{border-color:rgba(255,122,182,.6)}
.quote.v{border-color:rgba(167,139,250,.6)}
.empty{text-align:center;color:var(--dim);font-size:13px;padding:26px 10px}

/* 任务勾选 */
.chk{
  width:22px;height:22px;border-radius:8px;border:1.5px solid var(--line2);flex:none;display:grid;place-items:center;
  background:rgba(255,255,255,.04);cursor:pointer;font-size:12px;color:transparent
}
.chk.on{background:linear-gradient(135deg,var(--lime),#a8ffd0);border-color:transparent;color:#06301c}
.item.done .body{text-decoration:line-through;color:var(--dim)}

/* ---------- 底部导航 ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:50;display:flex;
  padding:8px 6px calc(8px + var(--safe));
  background:rgba(6,10,24,.82);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-top:1px solid var(--line);
}
.tabbar div{
  flex:1;text-align:center;color:var(--dim);font-size:10.5px;cursor:pointer;padding:4px 0;transition:.2s
}
.tabbar svg{display:block;margin:0 auto 3px;width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6}
.tabbar div.on{color:var(--cyan)}
.tabbar div.on svg{filter:drop-shadow(0 0 6px rgba(94,231,255,.65))}

/* ---------- 弹层 ---------- */
.mask{position:fixed;inset:0;z-index:80;background:rgba(2,5,15,.72);backdrop-filter:blur(6px);display:flex;align-items:flex-end;justify-content:center}
.sheet{
  width:100%;max-width:560px;background:linear-gradient(180deg,#0b1230,#070b1c);
  border:1px solid var(--line2);border-bottom:none;border-radius:22px 22px 0 0;padding:16px 16px calc(18px + var(--safe));
  animation:sheet .28s cubic-bezier(.2,.8,.2,1) both;max-height:88vh;overflow:auto
}
@keyframes sheet{from{transform:translateY(100%)}to{transform:none}}
.sheet h3{margin:0 0 12px;font-size:16px}
.grab{width:42px;height:4px;border-radius:99px;background:rgba(255,255,255,.2);margin:0 auto 12px}

.toast{
  position:fixed;left:50%;transform:translateX(-50%);bottom:96px;z-index:120;
  background:rgba(10,18,42,.94);border:1px solid var(--line2);color:var(--txt);
  padding:11px 18px;border-radius:14px;font-size:13px;box-shadow:0 10px 30px rgba(0,0,0,.5);
  animation:toast .3s both;max-width:86%;text-align:center
}
@keyframes toast{from{opacity:0;transform:translate(-50%,10px)}to{opacity:1;transform:translate(-50%,0)}}
.toast-act{
  margin-left:12px;padding:4px 11px;border-radius:9px;vertical-align:middle;
  border:1px solid var(--line2);background:rgba(94,231,255,.12);
  color:var(--cyan);font-size:12.5px;font-weight:700;cursor:pointer
}
.toast-act:active{transform:scale(.95)}

/* 日报 */
.report{font-size:14px;line-height:1.75}
.report h2,.report h3{font-size:14.5px;margin:14px 0 6px;color:var(--cyan);letter-spacing:.02em}
.report p{margin:0 0 8px}
.report ul{margin:0 0 8px;padding-left:18px}
.report li{margin-bottom:4px}

/* 登录 */
.login{max-width:420px;margin:0 auto;padding:calc(56px + env(safe-area-inset-top,0px)) 20px 40px}
.login .logo{width:56px;height:56px;font-size:27px;border-radius:18px;margin:0 auto 16px}
.login h1{text-align:center;font-size:23px;margin:0 0 6px;letter-spacing:.04em}
.login .slogan{text-align:center;color:var(--dim);font-size:12.5px;margin-bottom:26px;letter-spacing:.1em}
.scan{height:1px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);margin:18px 0;opacity:.6}

/* 开关 */
.sw{width:44px;height:25px;border-radius:99px;background:rgba(255,255,255,.12);position:relative;cursor:pointer;transition:.25s;flex:none}
.sw::after{content:"";position:absolute;top:3px;left:3px;width:19px;height:19px;border-radius:50%;background:#93a7c9;transition:.25s}
.sw.on{background:linear-gradient(135deg,var(--cyan),var(--violet))}
.sw.on::after{left:22px;background:#04121f}

/* 滚动条 */
::-webkit-scrollbar{width:0;height:0}