:root {
  --wa:#25D366; --wa-d:#128C7E; --wa-dd:#075E54;
  --bg:#f0f2f5; --card:#fff; --text:#111b21; --muted:#667085; --border:#e4e7ec;
  --danger:#f04438; --ok:#12b76a;
  --nav-h:68px; --hdr-h:60px;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%;overscroll-behavior:none}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--bg);color:var(--text)}

#app{max-width:480px;margin:0 auto;min-height:100vh;background:var(--bg)}

/* HEADER */
.app-header{
  background:linear-gradient(135deg,var(--wa-dd),var(--wa-d));color:#fff;
  padding:0 16px;display:flex;align-items:center;justify-content:space-between;
  height:var(--hdr-h);position:sticky;top:0;z-index:100;
  padding-top:env(safe-area-inset-top);
  box-shadow:0 2px 8px rgba(0,0,0,.22);
}
.app-header h1{font-size:1.1rem;font-weight:700}
.header-stats{display:flex;align-items:center;gap:5px;font-size:.8rem;opacity:.92}
.stat-badge{background:rgba(255,255,255,.22);padding:2px 9px;border-radius:20px;font-weight:700}
.stat-badge.green{background:rgba(37,211,102,.35)}
.stat-sep{opacity:.4}

/* TABS */
.tab-content{display:none;padding:14px 13px calc(var(--nav-h) + env(safe-area-inset-bottom) + 14px)}
.tab-content.active{display:block}

/* SECTION HEAD */
.section-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.section-head h2{font-size:.96rem;font-weight:700}
.desc{font-size:.79rem;color:var(--muted);line-height:1.45;margin-bottom:10px}

.next-pill{
  background:#e8f5e9;color:#1b5e20;font-size:.7rem;font-weight:700;
  padding:3px 9px;border-radius:12px;white-space:nowrap;
}

/* LIST */
.list-wrap{display:flex;flex-direction:column;gap:9px}

/* CARD */
.num-card{
  background:var(--card);border-radius:14px;padding:13px 13px;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  box-shadow:0 1px 4px rgba(0,0,0,.07);border:1px solid var(--border);
  animation:fadeUp .18s ease;
}
.num-info{flex:1;min-width:0}
.num-main{font-size:1.05rem;font-weight:700;letter-spacing:.4px}
.num-sub{font-size:.72rem;color:var(--muted);margin-top:2px}
.num-tag{
  display:inline-block;margin-top:4px;background:#e8f5e9;color:#1b5e20;
  font-size:.67rem;font-weight:700;padding:2px 7px;border-radius:5px;
}
.wa-btn{
  background:var(--wa);color:#fff;border:none;border-radius:11px;
  padding:11px 15px;font-size:.86rem;font-weight:700;cursor:pointer;
  display:flex;align-items:center;gap:5px;white-space:nowrap;flex-shrink:0;
  transition:background .15s,transform .1s;
  touch-action:manipulation;
}
.wa-btn:active{background:var(--wa-dd);transform:scale(.95)}

/* EMPTY */
.empty-state{text-align:center;padding:48px 20px;color:var(--muted)}
.empty-state p{margin-bottom:6px}
.empty-hint{font-size:.82rem;opacity:.7}

/* IMPORT */
textarea{
  width:100%;background:var(--card);border:1.5px solid var(--border);
  border-radius:12px;padding:11px 12px;font-size:.88rem;color:var(--text);
  resize:vertical;font-family:inherit;line-height:1.5;margin-bottom:9px;
  transition:border-color .2s;
}
textarea:focus{outline:none;border-color:var(--wa);box-shadow:0 0 0 3px rgba(37,211,102,.13)}
textarea::placeholder{color:#bbb;font-size:.81rem}

.preview-box{margin-top:13px;background:var(--card);border-radius:12px;padding:12px;border:1px solid var(--border)}
.preview-box.hidden{display:none}
.preview-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:9px;font-size:.83rem;color:var(--muted);font-weight:600}
.preview-list{max-height:230px;overflow-y:auto;display:flex;flex-direction:column;gap:5px}
.pv-item{display:flex;align-items:center;gap:7px;padding:7px 9px;background:var(--bg);border-radius:8px;font-size:.87rem}
.pv-check{color:var(--ok);font-size:.8rem}
.pv-dup{font-size:.7rem;color:var(--muted);margin-left:auto}

/* MESSAGES */
#msgContainer{display:flex;flex-direction:column;gap:11px;margin-bottom:11px}
.msg-card{background:var(--card);border-radius:12px;padding:12px;border:1px solid var(--border)}
.msg-card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:7px}
.msg-lbl{font-size:.77rem;font-weight:700;background:#e8f5e9;color:var(--wa-dd);padding:2px 8px;border-radius:6px}
.msg-next{font-size:.72rem;color:var(--wa);font-weight:700}
.msg-ta{
  width:100%;border:1.5px solid var(--border);border-radius:8px;padding:9px;
  font-size:.86rem;resize:none;font-family:inherit;min-height:76px;
  background:var(--bg);color:var(--text);transition:border-color .2s;
}
.msg-ta:focus{outline:none;border-color:var(--wa);box-shadow:0 0 0 2px rgba(37,211,102,.12)}
.cc{font-size:.69rem;color:var(--muted);text-align:right;margin-top:3px}

.rot-info{
  background:var(--card);border:1px solid var(--border);border-radius:10px;
  padding:9px 12px;display:flex;align-items:center;justify-content:space-between;
  font-size:.83rem;margin-bottom:11px;
}

/* DONE */
.done-card{
  background:var(--card);border-radius:12px;padding:12px 13px;
  border:1px solid var(--border);border-left:3px solid var(--ok);
  animation:fadeUp .18s ease;
}
.done-num{font-size:.97rem;font-weight:700}
.done-meta{font-size:.73rem;color:var(--muted);margin-top:2px}
.done-msg{
  margin-top:5px;font-size:.77rem;color:var(--muted);background:var(--bg);
  border-radius:6px;padding:5px 8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

/* BUTTONS */
.btn{
  border:none;border-radius:10px;padding:11px 15px;font-size:.88rem;font-weight:700;
  cursor:pointer;display:inline-flex;align-items:center;gap:6px;
  transition:background .15s,transform .1s;touch-action:manipulation;
}
.btn:active{transform:scale(.96)}
.btn-pri{background:var(--wa);color:#fff}
.btn-pri:active{background:var(--wa-dd)}
.btn-sec{background:var(--wa-dd);color:#fff}
.btn-sec:active{background:#053e36}
.btn-ghost{background:transparent;color:var(--muted)}
.btn-ghost:active{background:var(--border)}
.btn-sm{padding:6px 11px;font-size:.79rem}
.full{width:100%;justify-content:center}

/* BOTTOM NAV */
.bnav{
  position:fixed;bottom:0;left:50%;transform:translateX(-50%);
  width:100%;max-width:480px;height:calc(var(--nav-h) + env(safe-area-inset-bottom));
  background:var(--card);border-top:1px solid var(--border);display:flex;
  z-index:200;box-shadow:0 -2px 12px rgba(0,0,0,.07);
  padding-bottom:env(safe-area-inset-bottom);
}
.nb{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:none;border:none;cursor:pointer;color:var(--muted);transition:color .2s;
  gap:3px;position:relative;padding:8px 4px;touch-action:manipulation;
}
.nb.active{color:var(--wa-dd)}
.ni{font-size:1.26rem;line-height:1}
.nl{font-size:.63rem;font-weight:600}
.nbadge{
  position:absolute;top:8px;right:calc(50% - 22px);
  background:var(--danger);color:#fff;font-size:.61rem;font-weight:800;
  min-width:16px;height:16px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;padding:0 4px;
}
.nbadge.hidden{display:none}

/* TOAST */
.toast{
  position:fixed;bottom:calc(var(--nav-h) + env(safe-area-inset-bottom) + 12px);left:50%;
  transform:translateX(-50%);background:#1a1a2e;color:#fff;
  padding:9px 20px;border-radius:20px;font-size:.82rem;z-index:999;
  max-width:88%;text-align:center;box-shadow:0 4px 12px rgba(0,0,0,.25);
}
.toast.hidden{display:none}

/* iOS install banner */
.ios-banner{
  position:fixed;top:calc(var(--hdr-h) + 4px);left:8px;right:8px;
  background:#1b5e20;color:#fff;border-radius:10px;padding:10px 14px;
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  font-size:.82rem;z-index:300;box-shadow:0 4px 12px rgba(0,0,0,.25);
}
.ios-banner.hidden{display:none}
.ios-banner button{background:none;border:none;color:#fff;font-size:1rem;cursor:pointer;flex-shrink:0}

/* ANIMATIONS */
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}