/* Mantis iOS kit — tokens layered on iOS HIG */
:root{
  --ios-bg: #f2f2f7;            /* iOS systemGroupedBackground */
  --ios-bg-elev: #ffffff;       /* card / row                  */
  --ios-separator: #c6c6c8;
  --ios-separator-soft: rgba(60,60,67,0.18);
  --ios-label: #000000;
  --ios-label-2: #3c3c43;
  --ios-label-3: rgba(60,60,67,0.6);
  --ios-label-4: rgba(60,60,67,0.3);
  --ios-tint: var(--color-primary-6);     /* Mantis blue */
  --ios-destructive: #ff3b30;
  --ios-success: #34c759;
  --ios-warning: #ff9500;
  /* SF Pro on Apple devices natively, Inter (closest free metric match) elsewhere. */
  --ios-font: -apple-system, "SF Pro Display", "SF Pro Text", "Inter", system-ui, "Helvetica Neue", sans-serif;
}

.ios-app{
  width: 100%; height:100%;
  background: var(--ios-bg);
  font-family: var(--ios-font);
  color: var(--ios-label);
  display:flex; flex-direction:column;
  font-size:17px; line-height:22px;
  letter-spacing:-0.4px;
  -webkit-font-smoothing:antialiased;
  position: relative;        /* anchor absolute children */
  overflow: hidden;          /* don't burst out of the device frame */
  box-sizing: border-box;
}
.ios-app *{box-sizing: border-box}

/* Nav bar */
.ios-nav{
  padding: 8px 16px 4px;
  display:flex; align-items:center; justify-content:space-between;
  min-height: 44px;
}
.ios-nav .left, .ios-nav .right{display:flex;gap:12px;color:var(--ios-tint);font-size:17px;align-items:center}
.ios-nav .left .back{display:inline-flex;align-items:center;gap:4px}
.ios-nav .title{font-size:17px;font-weight:600;color:var(--ios-label)}
.ios-large-title{font-size:34px;font-weight:700;letter-spacing:-0.9px;padding:0 16px 8px;color:var(--ios-label)}

/* Search field */
.ios-search{margin: 4px 16px 12px; height:36px; background: rgba(118,118,128,.12); border-radius:10px; display:flex; align-items:center; gap:6px; padding: 0 10px; color: var(--ios-label-3); font-size:17px}

/* Scrollable content */
.ios-content{flex:1; overflow-y:auto; padding-bottom: 90px}

/* Section */
.ios-section{margin: 24px 0 0}
.ios-section-h{padding: 0 16px 8px; font-size:13px; color: var(--ios-label-3); text-transform:uppercase; letter-spacing:0.08em}
.ios-card{
  margin: 0 16px;
  background: var(--ios-bg-elev);
  border-radius: 10px;
  overflow: hidden;
}
.ios-row{
  display:flex; align-items:center; gap:12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--ios-separator-soft);
  min-height: 44px;
  background: var(--ios-bg-elev);
}
.ios-row:last-child{border-bottom:0}
.ios-row .lead{
  width:30px; height:30px; border-radius:7px;
  display:flex; align-items:center; justify-content:center;
  color:#fff; flex-shrink:0;
}
.ios-row .body{flex:1; min-width:0}
.ios-row .t{font-size:17px; color: var(--ios-label); font-weight:400}
.ios-row .s{font-size:14px; color: var(--ios-label-3); margin-top:1px}
.ios-row .value{color: var(--ios-label-3); font-size:17px}
.ios-row .chev{color: var(--ios-label-4); font-size:18px}
.ios-row.destructive .t{color: var(--ios-destructive)}

/* Hero card — same 5-stop diagonal gradient as Mantis web Welcome banner */
.ios-hero{
  margin: 12px 16px 0;
  padding: 20px;
  background: linear-gradient(250.38deg,
    var(--color-primary-1) 2.39%,
    var(--color-primary-4) 34.42%,
    var(--color-primary-6) 60.95%,
    var(--color-primary-7) 84.83%,
    var(--color-primary-9) 104.37%);
  border-radius: 16px;
  color: #fff;
  box-shadow: 0 14px 12px rgba(22,119,255,0.20); /* Mantis primaryButton shadow */
}
.ios-hero .label{font-size:13px;opacity:0.85;text-transform:uppercase;letter-spacing:0.06em;margin-bottom:6px}
.ios-hero .amount{font-size:38px; font-weight:700; letter-spacing:-1.1px; line-height:1.05}
.ios-hero .delta{display:inline-flex;align-items:center;gap:4px;background:rgba(255,255,255,0.2);padding:3px 8px;border-radius:6px;font-size:13px;font-weight:500;margin-top:8px}

/* Quick action grid */
.ios-actions{display:grid; grid-template-columns:repeat(4,1fr); gap:8px; padding: 12px 16px 0}
.ios-action{
  background: var(--ios-bg-elev); border-radius:14px; padding:14px 8px;
  display:flex; flex-direction:column; align-items:center; gap:8px;
  font-size:12px; color: var(--ios-label);
}
.ios-action .ic{
  width:40px;height:40px;border-radius:10px;background:var(--color-primary-1);
  display:flex;align-items:center;justify-content:center;color:var(--ios-tint);
}

/* Activity row — amounts use Mantis brand red/green for transactional moments
   (a quality signal), while system controls below keep Apple's HIG palette. */
.ios-act{display:flex;gap:12px;padding:14px 16px;border-bottom:1px solid var(--ios-separator-soft);align-items:center}
.ios-act:last-child{border-bottom:0}
.ios-act .ic{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:#fff;font-weight:600;font-size:14px}
.ios-act .body{flex:1;min-width:0}
.ios-act .body .t{font-size:16px;font-weight:500}
.ios-act .body .s{font-size:13px;color:var(--ios-label-3)}
.ios-act .amount{font-size:17px;font-weight:500;text-align:right}
.ios-act .amount.up{color: var(--color-success-6)} /* Mantis green #52c41a */
.ios-act .amount.dn{color: var(--color-error-6)}   /* Mantis red   #f5222d */

/* Tab bar */
.ios-tabbar{
  position:absolute; left:0; right:0; bottom:0;
  background: rgba(249,249,249,.94); backdrop-filter: blur(20px);
  border-top:1px solid var(--ios-separator-soft);
  display:flex; padding: 8px 4px 14px; gap:0;
}
.ios-tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;font-size:10px;color:var(--ios-label-3);font-weight:500;letter-spacing:.02em;cursor:pointer}
.ios-tab.active{color:var(--ios-tint)}

/* Mail */
.ios-mail-row{display:flex;gap:10px;padding:12px 16px;border-bottom:1px solid var(--ios-separator-soft);align-items:flex-start;background:#fff;cursor:pointer}
.ios-mail-row .unread{width:8px;height:8px;border-radius:50%;background:var(--ios-tint);margin-top:8px;flex-shrink:0}
.ios-mail-row .body{flex:1;min-width:0}
.ios-mail-row .top{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.ios-mail-row .from{font-weight:600;font-size:17px;color:var(--ios-label)}
.ios-mail-row .time{font-size:13px;color:var(--ios-label-3);display:flex;align-items:center;gap:4px}
.ios-mail-row .subj{font-size:15px;color:var(--ios-label);margin:2px 0}
.ios-mail-row .prev{font-size:14px;color:var(--ios-label-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* Sheet */
.ios-sheet-mask{position:absolute;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:flex-end;z-index:30}
.ios-sheet{width:100%;background:var(--ios-bg);border-radius:18px 18px 0 0;padding:8px 0 24px;min-height:60%;animation:sheet-up .25s ease-out}
@keyframes sheet-up{from{transform:translateY(100%)}to{transform:translateY(0)}}
.ios-sheet-handle{width:36px;height:5px;background:rgba(60,60,67,.3);border-radius:2.5px;margin:6px auto 14px}
.ios-sheet-head{display:flex;justify-content:space-between;align-items:center;padding:0 16px 12px}
.ios-sheet-head .ttl{font-weight:600;font-size:17px}
.ios-sheet-head a{color:var(--ios-tint);font-size:17px;cursor:pointer}