/* ═══════════════════════════════════════════════════════════════════
   蝴蝶借呗 · DApp page styles (scoped extension of styles.css)
   ═══════════════════════════════════════════════════════════════════ */

.app-body { min-height: 100vh; }
.app-main { padding: 40px 0 96px; }

/* ─────────────── Header ─────────────── */

.app-header { text-align: center; margin-bottom: 32px; }
.app-tag {
  color: var(--gold-2);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.28em;
  margin-bottom: 12px;
  opacity: 0.85;
}
.app-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-bottom: 14px;
}
.app-title .title-cn {
  font-family: 'Ma Shan Zheng', 'Noto Sans SC', cursive;
  font-size: clamp(36px, 6vw, 60px);
  background: linear-gradient(180deg, #FFF0C4 0%, var(--gold-1) 30%, var(--gold-2) 70%, var(--gold-3) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 2px 0 rgba(0,0,0,0.4)) drop-shadow(0 0 22px rgba(255,180,40,0.4));
}
.app-title .title-en {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.4em;
  color: var(--chrome-2);
}
.app-sub {
  color: var(--text-dim);
  font-size: 14px;
  max-width: 540px;
  margin: 0 auto;
}
.app-sub .sub-sep { color: var(--gold-3); margin: 0 8px; }

/* ─────────────── State banner ─────────────── */

.state-banner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: linear-gradient(90deg, rgba(60,10,14,0.9), rgba(26,4,6,0.9));
  border: 1px solid rgba(229,184,58,0.35);
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
  box-shadow: 0 0 30px rgba(229,184,58,0.15);
}
.state-banner.err {
  border-color: rgba(255,61,87,0.5);
  background: linear-gradient(90deg, rgba(80,12,20,0.9), rgba(30,4,8,0.9));
  box-shadow: 0 0 30px rgba(255,61,87,0.2);
}
.state-banner.info {
  border-color: rgba(46,230,160,0.4);
  background: linear-gradient(90deg, rgba(8,32,22,0.85), rgba(5,20,14,0.85));
  box-shadow: 0 0 24px rgba(46,230,160,0.15);
}
.sb-icon { font-size: 24px; }
.sb-text { flex: 1; }
.sb-title { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 15px; margin-bottom: 2px; color: var(--chrome-1); }
.sb-desc { color: var(--text-dim); font-size: 13px; line-height: 1.6; }
.sb-action {
  background: linear-gradient(135deg, var(--gold-1) 0%, var(--gold-2) 100%);
  color: #1a0406;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .2s, box-shadow .3s;
}
.sb-action:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(229,184,58,0.4); }

/* ─────────────── Live stats strip ─────────────── */

.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
.stat-tile {
  background: linear-gradient(165deg, rgba(45,6,9,0.8), rgba(20,3,5,0.6));
  border: 1px solid rgba(229,184,58,0.2);
  border-radius: var(--radius);
  padding: 14px 16px;
  transition: border-color .25s, box-shadow .25s;
}
.stat-tile:hover {
  border-color: rgba(229,184,58,0.45);
  box-shadow: 0 0 22px rgba(229,184,58,0.15);
}
.st-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-fade);
  margin-bottom: 6px;
}
.st-val {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 20px;
  background: linear-gradient(180deg, var(--gold-1), var(--gold-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 2px;
}
.st-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--text-fade);
  letter-spacing: 0.04em;
}

/* ─────────────── Position card ─────────────── */

.position-card {
  background: linear-gradient(165deg, rgba(60,10,14,0.85), rgba(26,4,6,0.85));
  border: 1px solid rgba(229,184,58,0.28);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 28px;
  position: relative;
  overflow: hidden;
}
.position-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-2), transparent);
  opacity: 0.6;
}
.pc-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}
.pc-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.26em;
  color: var(--gold-2);
}
.pc-status {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(100,100,100,0.18);
  color: var(--text-dim);
  border: 1px solid rgba(100,100,100,0.3);
}
.pc-status.active { color: var(--gold-1); background: rgba(229,184,58,0.12); border-color: rgba(229,184,58,0.5); }
.pc-status.warn { color: var(--danger); background: rgba(255,61,87,0.12); border-color: rgba(255,61,87,0.5); animation: pulseWarn 1.2s ease-in-out infinite; }
.pc-status.ok { color: var(--emerald); background: rgba(46,230,160,0.12); border-color: rgba(46,230,160,0.5); }
@keyframes pulseWarn {
  0%,100% { box-shadow: 0 0 0 0 rgba(255,61,87,0.5); }
  50%     { box-shadow: 0 0 0 6px rgba(255,61,87,0); }
}

.pc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.pc-item {
  background: rgba(10,2,3,0.5);
  border-left: 2px solid var(--gold-2);
  padding: 10px 14px;
  border-radius: 0 6px 6px 0;
}
.pc-k {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--text-fade);
  margin-bottom: 4px;
}
.pc-v {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 18px;
  color: var(--chrome-1);
}
.pc-u {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--text-fade);
  margin-top: 2px;
}

.pc-progress {
  margin-top: 16px;
  height: 6px;
  background: rgba(10,2,3,0.5);
  border-radius: 99px;
  overflow: hidden;
  border: 1px solid rgba(229,184,58,0.15);
}
.pc-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--emerald), var(--gold-2), var(--danger));
  transition: width .5s ease;
  box-shadow: 0 0 10px rgba(229,184,58,0.6);
}

/* ─────────────── Step cards ─────────────── */

.step-card {
  background: linear-gradient(165deg, rgba(60,10,14,0.75), rgba(20,3,5,0.75));
  border: 1px solid rgba(229,184,58,0.18);
  border-radius: var(--radius-lg);
  padding: 26px;
  margin-bottom: 18px;
  transition: border-color .3s, opacity .3s, transform .3s;
  position: relative;
  overflow: hidden;
}
.step-card.inactive {
  opacity: 0.42;
  filter: saturate(0.5);
  pointer-events: none;
}
.step-card.active {
  border-color: rgba(229,184,58,0.55);
  box-shadow: 0 0 0 1px rgba(229,184,58,0.2) inset, 0 10px 40px rgba(229,184,58,0.12);
}
.step-card.active::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-1), transparent);
  animation: activeStepScan 2.4s ease-in-out infinite;
}
@keyframes activeStepScan {
  0%,100% { opacity: 0.3; transform: translateX(-30%); }
  50%     { opacity: 1; transform: translateX(30%); }
}
.step-card.complete {
  border-color: rgba(46,230,160,0.35);
}
.step-card.complete .step-badge::after {
  content: "✓ DONE";
  display: inline-block;
  margin-left: 10px;
  color: var(--emerald);
  font-size: 10px;
  letter-spacing: 0.2em;
}

.step-head { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.step-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--gold-2);
  padding: 4px 10px;
  border: 1px solid rgba(229,184,58,0.35);
  border-radius: 4px;
}
.step-emoji { font-size: 26px; }
.step-title { font-size: 20px; color: var(--chrome-1); }
.step-desc { color: var(--text-dim); font-size: 14px; line-height: 1.7; margin-bottom: 18px; }
.step-desc b { color: var(--gold-1); font-weight: 700; }
.step-help {
  margin-top: 14px;
  color: var(--text-fade);
  font-size: 12px;
  padding: 10px 12px;
  background: rgba(10,2,3,0.4);
  border-left: 2px solid var(--gold-3);
  border-radius: 0 4px 4px 0;
}
.step-help.step-help-gas {
  margin-top: 8px;
  border-left-color: rgba(229,184,58,0.35);
  background: rgba(10,2,3,0.25);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  line-height: 1.65;
}
.step-help.step-help-gas b {
  color: var(--gold-1);
  font-weight: 700;
}

/* ─────────────── Input group ─────────────── */

.input-group { margin-bottom: 16px; }
.input-label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--text-fade);
  margin-bottom: 8px;
}
.input-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
}
.input {
  flex: 1;
  min-width: 0;
  background: rgba(10,2,3,0.6);
  border: 1px solid rgba(229,184,58,0.28);
  border-radius: 8px;
  padding: 14px 16px;
  color: var(--chrome-1);
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  font-weight: 600;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.input:focus {
  border-color: var(--gold-2);
  box-shadow: 0 0 0 3px rgba(229,184,58,0.2);
}
.input::placeholder { color: var(--text-fade); }

.btn-max {
  background: rgba(229,184,58,0.12);
  border: 1px solid rgba(229,184,58,0.35);
  color: var(--gold-1);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.16em;
  padding: 0 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: all .2s;
}
.btn-max:hover { background: rgba(229,184,58,0.22); color: #FFF0C4; }

.input-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-fade);
  flex-wrap: wrap;
  gap: 8px;
}
.input-meta b { color: var(--gold-1); font-weight: 700; }
.input-meta b.warn { color: var(--danger); }
.input-meta .min-hint { line-height: 1.45; }

/* ─────────────── Button stack ─────────────── */

.btn-stack { display: flex; flex-direction: column; gap: 10px; }
.btn-stack .btn { width: 100%; }
.btn[disabled] { opacity: 0.4; cursor: not-allowed; transform: none !important; }
.btn[disabled]::before { display: none !important; }

/* ─────────────── Countdown ─────────────── */

.countdown-box {
  background: rgba(10,2,3,0.55);
  border: 1px solid rgba(229,184,58,0.3);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 16px;
  text-align: center;
}
.cd-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--text-fade);
  margin-bottom: 6px;
}
.cd-value {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 36px;
  background: linear-gradient(180deg, var(--gold-1), var(--gold-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}
.cd-value.warn { background: linear-gradient(180deg, #FF8B50, var(--danger)); -webkit-background-clip: text; background-clip: text; animation: cdBlink 0.8s ease-in-out infinite; }
@keyframes cdBlink { 50% { opacity: 0.6; } }
.cd-bar { height: 4px; background: rgba(0,0,0,0.5); border-radius: 99px; overflow: hidden; }
.cd-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--emerald), var(--gold-2), var(--danger));
  transition: width .5s linear;
  box-shadow: 0 0 8px currentColor;
}

/* ─────────────── Inline Quick Swap (Step 2) ─────────────── */

.swap-panel {
  background: rgba(10,2,3,0.5);
  border: 1px solid rgba(229,184,58,0.25);
  border-radius: var(--radius-lg);
  padding: 16px;
  margin-bottom: 14px;
}
.swap-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.swap-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--gold-2);
  font-weight: 700;
  padding: 3px 9px;
  border: 1px solid rgba(229,184,58,0.4);
  border-radius: 4px;
}
.swap-hint {
  font-size: 11px;
  color: var(--text-fade);
}

.swap-row {
  background: rgba(20,4,6,0.6);
  border: 1px solid rgba(244,241,236,0.08);
  border-radius: 10px;
  padding: 12px 14px;
  transition: border-color .2s;
}
.swap-row:focus-within { border-color: rgba(229,184,58,0.5); }
.swap-label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-fade);
  margin-bottom: 8px;
}
.swap-input-wrap, .swap-output-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}
.swap-input-wrap input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  color: var(--chrome-1);
  font-family: 'JetBrains Mono', monospace;
  font-size: 22px;
  font-weight: 700;
}
.swap-input-wrap input::placeholder { color: var(--text-fade); }
.swap-output-wrap #expectedFlap {
  flex: 1;
  font-family: 'JetBrains Mono', monospace;
  font-size: 20px;
  font-weight: 700;
  background: linear-gradient(180deg, var(--gold-1), var(--gold-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  word-break: break-all;
}
.swap-unit {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--text-dim);
  font-weight: 600;
  white-space: nowrap;
}
.swap-subhint {
  margin-top: 6px;
  font-size: 10.5px;
  color: var(--text-fade);
}
.swap-arrow {
  text-align: center;
  color: var(--gold-2);
  font-size: 20px;
  margin: 8px 0;
  opacity: 0.8;
}
.swap-required {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  color: var(--text-dim);
  padding: 10px 12px;
  margin: 12px 0;
  background: rgba(10,2,3,0.5);
  border-left: 2px solid var(--gold-3);
  border-radius: 0 4px 4px 0;
}
.swap-required b { color: var(--gold-1); font-weight: 700; }
.swap-required.ok { border-left-color: var(--emerald); }
.swap-required.ok #swapCheck { color: var(--emerald); font-weight: 700; }
.swap-required.short { border-left-color: var(--danger); }
.swap-required.short #swapCheck { color: var(--danger); font-weight: 700; }

.swap-err {
  margin-top: 10px;
  padding: 10px 12px;
  background: rgba(255,61,87,0.1);
  border: 1px solid rgba(255,61,87,0.4);
  border-radius: 6px;
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  word-break: break-all;
  line-height: 1.5;
}

.dex-alt {
  margin: 10px 0 0;
  background: rgba(10,2,3,0.35);
  border: 1px solid rgba(229,184,58,0.15);
  border-radius: 8px;
  overflow: hidden;
}
.dex-alt summary {
  padding: 10px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-fade);
  cursor: pointer;
  letter-spacing: 0.06em;
  user-select: none;
  list-style: none;
}
.dex-alt summary::-webkit-details-marker { display: none; }
.dex-alt summary:hover { color: var(--gold-1); }
.dex-alt[open] summary { border-bottom: 1px dashed rgba(229,184,58,0.15); }
.dex-alt-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  padding: 10px;
}
.dex-alt-grid a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  background: rgba(26,4,6,0.6);
  border: 1px solid rgba(229,184,58,0.2);
  border-radius: 6px;
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  text-decoration: none;
  transition: all .2s;
}
.dex-alt-grid a:hover { border-color: var(--gold-2); color: var(--gold-1); }

@media (max-width: 420px) {
  .dex-alt-grid { grid-template-columns: repeat(2, 1fr); }
  .swap-input-wrap input { font-size: 18px; }
  .swap-output-wrap #expectedFlap { font-size: 17px; }
}

/* ─────────────── Repay row ─────────────── */

.repay-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  background: rgba(10,2,3,0.5);
  border: 1px solid rgba(229,184,58,0.25);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 14px;
}
.repay-k {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--text-fade);
}
.repay-v {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 24px;
  background: linear-gradient(180deg, var(--gold-1), var(--gold-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.repay-u { color: var(--text-fade); font-family: 'JetBrains Mono', monospace; font-size: 13px; }

/* ─────────────── App meta (footer) ─────────────── */

.app-meta {
  margin-top: 32px;
  padding: 18px 22px;
  background: rgba(10,2,3,0.4);
  border: 1px solid rgba(229,184,58,0.15);
  border-radius: var(--radius);
  display: flex;
  justify-content: space-around;
  gap: 14px;
  flex-wrap: wrap;
}
.meta-row {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
}
.meta-k { color: var(--text-fade); letter-spacing: 0.22em; }
.meta-v { color: var(--gold-1); text-decoration: none; }
.meta-v:hover { color: #FFF0C4; text-shadow: 0 0 10px rgba(255,200,80,0.4); }

/* ─────────────── Toast ─────────────── */

.toast-root {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 360px;
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  background: linear-gradient(165deg, rgba(26,4,6,0.96), rgba(10,2,3,0.96));
  border: 1px solid rgba(229,184,58,0.35);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--chrome-1);
  font-size: 13px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.5);
  animation: toastIn .25s ease;
  backdrop-filter: blur(10px);
}
.toast.err { border-color: rgba(255,61,87,0.5); }
.toast.ok { border-color: rgba(46,230,160,0.5); }
.toast.loading { border-color: rgba(229,184,58,0.35); }
.toast.out { animation: toastOut .25s ease forwards; }
@keyframes toastIn {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(40px); }
}

/* ─────────────── Responsive ─────────────── */

@media (max-width: 760px) {
  .app-main { padding: 20px 0 60px; }
  .app-header { margin-bottom: 20px; }
  .app-sub { font-size: 13px; }

  .stats-strip { grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 16px; }
  .stat-tile { padding: 10px 12px; }
  .st-val { font-size: 17px; }

  .position-card { padding: 16px; margin-bottom: 18px; }
  .pc-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .pc-item { padding: 8px 12px; }
  .pc-v { font-size: 16px; }

  .step-card { padding: 18px 16px; margin-bottom: 12px; }
  .step-head { flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
  .step-title { font-size: 17px; }
  .step-desc { font-size: 13px; line-height: 1.65; margin-bottom: 12px; }
  .step-help {
    font-size: 11px;
    margin-top: 10px;
    padding: 8px 10px;
    line-height: 1.5;
  }

  .state-banner { padding: 12px 14px; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
  .sb-icon { font-size: 20px; }
  .sb-title { font-size: 14px; }
  .sb-desc { font-size: 12px; }
  .sb-action { padding: 8px 14px; font-size: 12px; }

  .countdown-box { padding: 12px 14px; margin-bottom: 12px; }
  .cd-value { font-size: 28px; }

  .input { font-size: 16px; padding: 12px 14px; }
  .input-meta { font-size: 10.5px; }

  .repay-row { padding: 14px 16px; }
  .repay-v { font-size: 20px; }

  .btn-lg { padding: 13px 20px; font-size: 14px; }

  .app-meta { flex-direction: column; align-items: flex-start; gap: 8px; padding: 14px 16px; }
}

@media (max-width: 420px) {
  .stats-strip { grid-template-columns: 1fr 1fr; }
  .pc-grid { grid-template-columns: 1fr; }
  .pc-item { padding: 8px 10px; border-left-width: 3px; }
  .input { font-size: 16px; padding: 12px 12px; }
  .cd-value { font-size: 24px; }
  .step-card { padding: 16px 14px; }
  .step-title { font-size: 16px; }
  .st-val { font-size: 15px; }
}