@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Sora:wght@400;500;600;700&display=swap');
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

/* ══ THEMES ══ */
.theme-dark{
  --bg:#090C17;--surface:#111520;--card:#161B2E;
  --border:rgba(255,255,255,0.07);--border2:rgba(255,255,255,0.13);
  --text:#F1F3F9;--muted:#8892A4;--hint-c:#525D6E;
  --blue:#0052FF;--green:#10B981;--amber:#F59E0B;--red:#EF4444;
  --mono:'DM Mono',monospace;--sans:'Sora',sans-serif;--r:14px;--rs:9px;
}
.theme-light{
  --bg:#F0F2F8;--surface:#E4E7F0;--card:#FFFFFF;
  --border:rgba(0,0,0,0.08);--border2:rgba(0,0,0,0.14);
  --text:#0D1117;--muted:#5A6478;--hint-c:#9CA3AF;
  --blue:#0052FF;--green:#059669;--amber:#D97706;--red:#DC2626;
}

body{font-family:var(--sans);background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh;transition:background .2s,color .2s}

/* ══ HEADER ══ */
.app-header{display:flex;justify-content:space-between;align-items:center;padding:13px 28px;background:var(--card);border-bottom:0.5px solid var(--border);gap:14px;flex-wrap:wrap;position:sticky;top:0;z-index:100;backdrop-filter:blur(14px)}
.brand{display:flex;align-items:center;gap:11px}
.app-title{font-size:15px;font-weight:700}
.app-sub{font-size:11px;color:var(--muted);margin-top:1px}
.header-right{display:flex;align-items:center;gap:9px}
.icon-btn{width:32px;height:32px;border-radius:8px;border:0.5px solid var(--border2);background:var(--surface);color:var(--muted);cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;transition:all .15s}
.icon-btn:hover{background:var(--border);color:var(--text)}

/* ══ LOGO ══ */
.arc-logo{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,#0052FF,#00C9A7);display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 4px 14px rgba(0,82,255,.3)}
.arc-logo.large{width:64px;height:64px;border-radius:18px;margin-bottom:4px}

/* ══ WALLET ══ */
.wallet-pill{display:flex;align-items:center;gap:8px;padding:7px 13px;background:var(--surface);border:0.5px solid var(--border2);border-radius:99px;font-size:12px}
.chain-tag{font-size:10px;font-weight:600;padding:3px 8px;border-radius:99px;background:rgba(16,185,129,.14);color:var(--green)}
.chain-tag.warn{background:rgba(245,158,11,.14);color:var(--amber);cursor:pointer;border:0.5px solid rgba(245,158,11,.3)}

/* ══ SPLASH ══ */
.splash{display:flex;align-items:center;justify-content:center;min-height:calc(100vh - 65px);padding:40px 20px}
.splash-inner{display:flex;flex-direction:column;align-items:center;max-width:460px;width:100%;text-align:center}
.splash-title{font-size:24px;font-weight:700;margin:20px 0 10px}
.splash-sub{font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:22px}
.splash-btn{width:220px;margin-top:4px}
.splash-chips{display:flex;flex-wrap:wrap;gap:7px;justify-content:center;margin-bottom:26px}
.chip{display:flex;align-items:center;gap:5px;padding:5px 12px;border-radius:99px;background:var(--surface);border:0.5px solid var(--border);font-size:12px;color:var(--muted)}

/* ══ STATS BAR ══ */
.stats-bar{display:flex;background:var(--card);border-bottom:0.5px solid var(--border);overflow-x:auto;padding:0 28px}
.stat{display:flex;flex-direction:column;gap:2px;padding:10px 20px 10px 0;margin-right:20px;border-right:0.5px solid var(--border);white-space:nowrap}
.stat:last-child{border-right:none}
.stat-label{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.stat-val{font-size:13px;font-weight:600}

/* ══ LAYOUT ══ */
.app-body{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:20px 28px;align-items:start}
@media(max-width:820px){.app-body{grid-template-columns:1fr;padding:14px}.stats-bar{padding:0 14px}}
.left-col,.right-col{display:flex;flex-direction:column;gap:14px}

/* ══ CARD ══ */
.card{background:var(--card);border:0.5px solid var(--border);border-radius:var(--r);padding:18px}
.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}

/* ══ TABS ══ */
.tab-row{display:flex;gap:2px;padding:3px;background:var(--surface);border-radius:var(--rs);overflow-x:auto}
.tab-btn{flex:1;padding:8px 10px;border:none;background:none;cursor:pointer;font-family:var(--sans);font-size:11px;font-weight:500;border-radius:7px;color:var(--muted);transition:all .15s;white-space:nowrap}
.tab-btn.active{background:var(--card);color:var(--text);box-shadow:0 1px 4px rgba(0,0,0,.15)}

/* ══ MODE TOGGLE (Batch) ══ */
.mode-row{display:flex;gap:2px;padding:3px;background:var(--surface);border-radius:var(--rs);margin-bottom:14px}
.mode-btn{flex:1;padding:7px 10px;border:none;background:none;cursor:pointer;font-family:var(--sans);font-size:12px;font-weight:500;border-radius:6px;color:var(--muted);transition:all .15s}
.mode-btn.active{background:var(--card);color:var(--text);box-shadow:0 1px 4px rgba(0,0,0,.15)}

/* ══ FORM ══ */
.field-group{display:flex;flex-direction:column;gap:5px;margin-bottom:12px}
.field-label{font-size:12px;font-weight:500;color:var(--muted)}
.opt{font-weight:400;color:var(--hint-c)}
.field-input{padding:9px 12px;border-radius:var(--rs);border:0.5px solid var(--border);background:var(--surface);color:var(--text);font-family:var(--sans);font-size:13px;outline:none;transition:border-color .15s;width:100%}
.field-input:focus{border-color:rgba(0,82,255,.4);box-shadow:0 0 0 3px rgba(0,82,255,.07)}
.field-input.err{border-color:var(--red)}
.sfx-wrap{position:relative}
.sfx{position:absolute;right:12px;top:50%;transform:translateY(-50%);font-size:12px;color:var(--muted);font-weight:500;pointer-events:none}
.info-row{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--muted);padding:7px 0;border-top:0.5px solid var(--border);margin-bottom:10px}
.btn-row{display:flex;gap:8px}
.btn-row .btn-primary,.btn-row .btn-secondary{flex:1}

/* ══ CONFIRM BOX ══ */
.confirm-box{padding:12px 14px;border-radius:var(--rs);background:rgba(0,82,255,.06);border:0.5px solid rgba(0,82,255,.2);margin-bottom:12px}
.confirm-label{font-size:10px;font-weight:600;color:var(--blue);margin-bottom:8px;text-transform:uppercase;letter-spacing:.07em}
.confirm-row{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);padding:3px 0}
.confirm-row span:last-child{color:var(--text);font-weight:500}

/* ══ BATCH ══ */
.batch-row-wrap{display:flex;gap:7px;align-items:center;margin-bottom:7px;position:relative}
.batch-row-wrap .field-input{font-size:12px}
.rm-btn{width:28px;height:28px;border-radius:6px;flex-shrink:0;border:0.5px solid var(--border);background:transparent;color:var(--muted);cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;transition:all .1s}
.rm-btn:hover{background:rgba(239,68,68,.1);color:var(--red);border-color:rgba(239,68,68,.3)}
.batch-total{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border-radius:var(--rs);background:var(--surface);border:0.5px solid var(--border);margin-top:10px}

/* ══ CSV DROP ZONE ══ */
.drop-zone{border:1.5px dashed var(--border2);border-radius:var(--r);padding:30px 20px;text-align:center;cursor:pointer;transition:all .2s;background:var(--surface)}
.drop-zone:hover,.drop-zone.over{border-color:var(--blue);background:rgba(0,82,255,.04)}
.drop-icon{font-size:30px;margin-bottom:9px}
.drop-title{font-size:13px;font-weight:500;margin-bottom:4px}
.drop-sub{font-size:11px;color:var(--muted)}
.csv-table{border:0.5px solid var(--border);border-radius:var(--rs);overflow:hidden;max-height:200px;overflow-y:auto}
.csv-row{display:grid;grid-template-columns:1fr 80px 1fr 28px;font-size:11px;border-bottom:0.5px solid var(--border)}
.csv-row:last-child{border-bottom:none}
.csv-row.hdr{background:var(--surface);font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.csv-cell{padding:7px 9px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.csv-cell.err{color:var(--red)}
.csv-cell.ok{color:var(--green)}

/* ══ FX ══ */
.fx-row{display:flex;gap:10px;align-items:flex-end;margin-bottom:12px}
.fx-arrow{font-size:20px;color:var(--muted);padding-bottom:9px;flex-shrink:0}

/* ══ ADDR BOOK ══ */
.addr-wrap{position:relative}
.book-drop{position:absolute;top:calc(100% + 4px);left:0;right:0;z-index:60;background:var(--card);border:0.5px solid var(--border2);border-radius:var(--rs);box-shadow:0 8px 24px rgba(0,0,0,.25);overflow:hidden}
.book-item{display:flex;align-items:center;gap:10px;padding:9px 12px;cursor:pointer;transition:background .1s}
.book-item:hover{background:var(--surface)}
.bi-name{font-size:13px;font-weight:500}
.bi-addr{font-size:10px;color:var(--muted);font-family:var(--mono)}
.contact-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:0.5px solid var(--border)}
.contact-row:last-child{border-bottom:none}
.avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--blue),#7C3AED);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;color:#fff;flex-shrink:0}
.link-box{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:var(--rs);background:var(--surface);border:0.5px solid var(--border2)}

/* ══ SETTINGS ══ */
.setting-row{display:flex;align-items:center;justify-content:space-between;gap:12px}

/* ══ TOGGLE ══ */
.toggle{width:44px;height:24px;border-radius:12px;background:var(--surface);border:0.5px solid var(--border2);position:relative;cursor:pointer;flex-shrink:0;transition:background .2s;padding:0}
.toggle.on{background:var(--green);border-color:var(--green)}
.thumb{position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:left .2s;box-shadow:0 1px 4px rgba(0,0,0,.2)}
.toggle.on .thumb{left:23px}

/* ══ PROGRESS ══ */
.progress-track{height:8px;border-radius:4px;background:var(--surface);overflow:hidden;border:0.5px solid var(--border)}
.bar{height:100%;border-radius:4px;transition:width .08s ease}
.arc-bar{background:linear-gradient(90deg,#0052FF,#10B981)}
.eth-bar{background:var(--amber)}
.track-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}

/* ══ RECEIPT ══ */
.receipt-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:14px}
.rc{padding:10px 12px;background:var(--surface);border-radius:var(--rs)}
.rc-label{font-size:10px;color:var(--muted);margin-bottom:3px;text-transform:uppercase;letter-spacing:.06em}
.rc-val{font-size:13px;font-weight:500;font-family:var(--mono)}

/* ══ TX HISTORY ══ */
.tx-row{display:flex;align-items:center;gap:10px;padding:11px 16px;border-bottom:0.5px solid var(--border);cursor:pointer;transition:background .1s}
.tx-row:last-child{border-bottom:none}
.tx-row:hover{background:var(--surface)}
.tx-main{flex:1;min-width:0}
.tx-title{font-size:12px;font-weight:500;margin-bottom:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tx-sub{font-size:10px;color:var(--muted);font-family:var(--mono)}
.tx-right{text-align:right;flex-shrink:0}
.tx-amt{font-size:12px;font-weight:600;font-family:var(--mono)}
.tx-time{font-size:10px;color:var(--muted);margin-top:2px}
.tag-pill{display:inline-block;padding:2px 7px;border-radius:99px;font-size:9px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;background:rgba(0,82,255,.1);color:var(--blue);margin-left:5px}

/* ══ MODALS ══ */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;z-index:200;backdrop-filter:blur(4px)}
.modal-box{background:var(--card);border:0.5px solid var(--border2);border-radius:var(--r);padding:22px;max-width:380px;width:90%}

/* ══ BUTTONS ══ */
.btn-primary{width:100%;padding:11px;border-radius:var(--rs);background:var(--blue);color:#fff;border:none;font-family:var(--sans);font-size:13px;font-weight:600;cursor:pointer;transition:opacity .15s;box-shadow:0 2px 10px rgba(0,82,255,.28)}
.btn-primary:hover:not(:disabled){opacity:.87}
.btn-primary:disabled{opacity:.4;cursor:not-allowed}
.btn-secondary{width:100%;padding:11px;border-radius:var(--rs);background:var(--surface);color:var(--text);border:0.5px solid var(--border2);font-family:var(--sans);font-size:13px;font-weight:500;cursor:pointer;transition:background .15s;text-align:center;text-decoration:none;display:block}
.btn-secondary:hover:not(:disabled){background:var(--border)}
.btn-secondary:disabled{opacity:.4;cursor:not-allowed}
.btn-ghost-sm{padding:4px 10px;border-radius:6px;border:0.5px solid var(--border2);background:transparent;font-family:var(--sans);font-size:11px;font-weight:500;color:var(--muted);cursor:pointer;transition:background .1s;white-space:nowrap}
.btn-ghost-sm:hover{background:var(--surface);color:var(--text)}

/* ══ HELPERS ══ */
.dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.green-bg{background:var(--green)}
.mono{font-family:var(--mono);font-size:12px}
.hint{font-size:11px;color:var(--muted)}
.hint.error,.error-text{color:var(--red);font-size:12px}
.hint.blue,.blue{color:var(--blue)}
.green{color:var(--green)}
.fw500{font-weight:500}
.fw600{font-weight:600}
.section-label{font-size:10px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
select.field-input{appearance:none}
input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none}
input[type=number]{-moz-appearance:textfield}
code{font-family:var(--mono);font-size:11px;background:var(--surface);padding:1px 5px;border-radius:4px}
::-webkit-scrollbar{width:4px;height:4px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border2);border-radius:2px}

/* ══ PAYMENT REQUEST TRACKER ══ */
.watch-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:99px;
  background:rgba(16,185,129,.12);border:0.5px solid rgba(16,185,129,.3);
  font-size:11px;font-weight:500;color:var(--green);
}
.pulse-dot{
  width:7px;height:7px;border-radius:50%;background:var(--green);
  animation:pulse 1.4s ease-in-out infinite;flex-shrink:0;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}

.req-track-card{
  padding:16px;border-radius:12px;
  border:1px solid var(--border2);background:var(--surface);
}
.req-track-card.status-pending  { border-color:var(--amber);background:rgba(245,158,11,.05); }
.req-track-card.status-paid     { border-color:var(--green);background:rgba(16,185,129,.05); }
.req-track-card.status-short    { border-color:var(--blue);background:rgba(0,82,255,.05); }
.req-track-card.status-cancelled{ border-color:var(--red);background:rgba(239,68,68,.05); }

.req-track-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:3px}

.req-status-badge{
  padding:4px 10px;border-radius:99px;font-size:11px;font-weight:600;
  background:var(--surface);color:var(--muted);border:0.5px solid var(--border2);
  flex-shrink:0;
}
.req-status-badge.pending  {background:rgba(245,158,11,.12);color:var(--amber);border-color:rgba(245,158,11,.3)}
.req-status-badge.paid     {background:rgba(16,185,129,.12);color:var(--green);border-color:rgba(16,185,129,.3)}
.req-status-badge.short    {background:rgba(0,82,255,.12);color:var(--blue);border-color:rgba(0,82,255,.3)}
.req-status-badge.cancelled{background:rgba(239,68,68,.12);color:var(--red);border-color:rgba(239,68,68,.3)}

.req-track-amounts{display:flex;align-items:center;gap:10px}
.req-amt-box{flex:1;padding:10px 12px;background:var(--card);border-radius:8px;border:0.5px solid var(--border)}
.req-amt{font-size:16px;font-weight:700;font-family:var(--mono);color:var(--text)}
.req-amt-arrow{font-size:18px;color:var(--muted);flex-shrink:0}

.req-track-bar{
  height:6px;border-radius:3px;background:var(--border);overflow:hidden;
}
.req-track-fill{
  height:100%;border-radius:3px;
  background:linear-gradient(90deg,var(--blue),var(--green));
  transition:width .5s ease;
}

/* ══ TOAST NOTIFICATIONS ══ */
.toast-container{
  position:fixed;bottom:24px;right:24px;z-index:300;
  display:flex;flex-direction:column;gap:8px;pointer-events:none;
}
.toast{
  display:flex;align-items:flex-start;gap:10px;
  padding:14px 16px;border-radius:12px;
  background:var(--card);border:0.5px solid var(--border2);
  box-shadow:0 8px 28px rgba(0,0,0,.25);
  min-width:280px;max-width:340px;
  pointer-events:all;
  animation:slideIn .25s ease;
}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}
.toast.removing{animation:slideOut .25s ease forwards}
@keyframes slideOut{to{transform:translateX(120%);opacity:0}}
.toast-icon{font-size:18px;flex-shrink:0;margin-top:1px}
.toast-body{flex:1;min-width:0}
.toast-title{font-size:13px;font-weight:600;color:var(--text);margin-bottom:2px}
.toast-msg{font-size:11px;color:var(--muted);line-height:1.5}
.toast-close{
  width:20px;height:20px;border-radius:4px;border:none;background:transparent;
  color:var(--muted);cursor:pointer;font-size:14px;display:flex;
  align-items:center;justify-content:center;flex-shrink:0;margin-top:-2px;
}
.toast-close:hover{background:var(--surface)}
.toast.type-success{border-left:3px solid var(--green)}
.toast.type-warn   {border-left:3px solid var(--amber)}
.toast.type-error  {border-left:3px solid var(--red)}
.toast.type-info   {border-left:3px solid var(--blue)}

/* ══ PROCESSING STATE ══ */
.req-track-card.status-pending .req-track-title {
  animation: textPulse 1.6s ease-in-out infinite;
}
@keyframes textPulse {
  0%,100% { opacity:1 }
  50%      { opacity:0.55 }
}
.req-status-badge.pending {
  animation: badgePulse 1.6s ease-in-out infinite;
}
@keyframes badgePulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(245,158,11,0) }
  50%     { box-shadow: 0 0 0 4px rgba(245,158,11,0.2) }
}