:root {
  --bg:          #070c18;
  --bg2:         #0b1120;
  --surface:     #0e1526;
  --surface2:    #121b30;
  --surface3:    #182036;

  --blue:        #00e1ff;
  --blue-dim:    #00e1ff;
  --blue-glow:   rgba(56,189,248,.22);
  --blue-tint:   rgba(56,189,248,.07);
  --blue-tint2:  rgba(56,189,248,.13);

  --line:        rgba(56,189,248,.12);
  --line-hi:     rgba(56,189,248,.28);
  --line-sel:    rgba(56,189,248,.50);

  --text: #e8e6e6;
  --text-dim:    #0ea5e9;
  --text-muted:  #3d6080;

  --red:         #f87171;
  --green:       #34d399;
  --teal:        #2dd4bf;

  --font-mono: 'JetBrains Mono', sans-serif;
  --font-body: 'JetBrains Mono', sans-serif;

  --r:    6px;
  --r-lg: 10px;

  --shadow: 0 20px 60px rgba(0,0,0,.7), 0 0 0 1px var(--line);
}
html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    width: 100%;
    overflow-x: hidden;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

@font-face {
  font-family: 'Unbounded';
  src: url('Unbounded/Unbounded-VariableFont_wght.ttf') format('truetype');
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('JetBrains_Mono/JetBrainsMono-VariableFont_wght.ttf') format('truetype');
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  cursor: crosshair;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

a, button, input, textarea, select, label { cursor: pointer; }
input[type="number"], textarea { cursor: text; }

.bp-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
          linear-gradient(var(--line) 1px, transparent 1px),
          linear-gradient(90deg, var(--line) 1px, transparent 1px),
          linear-gradient(rgba(56,189,248,.04) 1px, transparent 1px),
          linear-gradient(90deg, rgba(56,189,248,.04) 1px, transparent 1px);
  background-size: 80px 80px, 80px 80px, 20px 20px, 20px 20px;
}

.bp-grid::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 50% at 15% 0%, rgba(56,189,248,.08) 0%, transparent 60%);
}

.vp-corner {
  position: fixed; z-index: 10; pointer-events: none;
  width: 28px; height: 28px;
  border-color: rgba(56,189,248,.4); border-style: solid;
}
.vp-corner--tl { top: 12px; left: 12px; border-width: 2px 0 0 2px; }
.vp-corner--tr { top: 12px; right: 12px; border-width: 2px 2px 0 0; }
.vp-corner--bl { bottom: 12px; left: 12px; border-width: 0 0 2px 2px; }
.vp-corner--br { bottom: 12px; right: 12px; border-width: 0 2px 2px 0; }

.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  background: rgba(7,12,24,.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
  padding: 0 24px;
  height: 56px;
}
.topbar-inner {
  max-width: 800px; margin: 0 auto; height: 100%;
  display: flex; align-items: center; gap: 18px;
}

.topbar-brand {
  display: flex; align-items: center; gap: 8px;
  flex-shrink: 0;
}
.brand-icon {
  width: 28px; height: 28px; border: 1px solid var(--line-hi);
  border-radius: 4px; display: flex; align-items: center; justify-content: center;
  color: var(--blue); background: var(--blue-tint);
}
.brand-label {
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  letter-spacing: 2px; color: var(--blue); white-space: nowrap;
}

.topbar-progress { flex: 1; position: relative; }
.progress-track {
  height: 4px; background: var(--line);
  border-radius: 2px; overflow: visible; position: relative;
}
.progress-fill {
  height: 100%; width: 0; border-radius: 2px;
  background: var(--blue);
  box-shadow: 0 0 10px var(--blue), 0 0 24px var(--blue-glow);
  transition: width .5s cubic-bezier(.4,0,.2,1);
  position: relative;
}
.progress-fill::after {
  content: '';
  position: absolute; right: -3px; top: 50%; transform: translateY(-50%);
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 3px rgba(56,189,248,.3);
  animation: pulse-tip 2s ease-in-out infinite;
}
@keyframes pulse-tip {
  0%,100% { box-shadow: 0 0 0 3px rgba(56,189,248,.3); }
  50%      { box-shadow: 0 0 0 6px rgba(56,189,248,.1); }
}
.progress-ticks {
  position: absolute; inset: 0; display: flex; justify-content: space-between;
  pointer-events: none;
}
.progress-ticks span {
  width: 1px; height: 6px; background: rgba(56,189,248,.25);
  margin-top: -1px;
}

.topbar-right {
  flex-shrink: 0; display: flex; align-items: center; gap: 10px;
}
.step-label {
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  color: var(--blue); letter-spacing: 1px; white-space: nowrap;
}
.back-icon-btn {
  width: 30px; height: 30px; border-radius: 4px;
  background: var(--blue-tint); border: 1px solid var(--line-hi);
  color: var(--blue); display: flex; align-items: center; justify-content: center;
  transition: background .2s, border-color .2s; flex-shrink: 0;
}
.back-icon-btn:hover { background: var(--blue-tint2); border-color: var(--blue); }
.back-icon-btn:disabled { opacity: .3; cursor: not-allowed; }

.app {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center;
  padding: 80px 16px 24px;
}
.screen { width: 100%; max-width: 680px; }
.hidden { display: none !important; }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 36px 36px 32px;
  box-shadow: var(--shadow);
  position: relative;
  animation: slideUp .3s cubic-bezier(.22,1,.36,1);
  margin-bottom: 0;
}

.card::before, .card::after,
.card-br-bl::before, .card-br-br::after {
  content: ''; position: absolute;
  width: 14px; height: 14px;
  border-color: var(--blue-dim); border-style: solid;
}
.card::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; border-radius: 2px 0 0 0; }
.card::after  { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; border-radius: 0 0 2px 0; }

.card [data-corner="tr"] {
  position: absolute; top: -1px; right: -1px;
  width: 14px; height: 14px;
  border-top: 2px solid var(--blue-dim); border-right: 2px solid var(--blue-dim);
  border-radius: 0 2px 0 0; pointer-events: none;
}
.card [data-corner="bl"] {
  position: absolute; bottom: -1px; left: -1px;
  width: 14px; height: 14px;
  border-bottom: 2px solid var(--blue-dim); border-left: 2px solid var(--blue-dim);
  border-radius: 0 0 0 2px; pointer-events: none;
}

@keyframes slideUp {
  from { opacity:0; transform:translateY(22px); }
  to   { opacity:1; transform:translateY(0); }
}

.q-step {
  font-family: var(--font-mono); font-size: 10px; font-weight: 700;
  letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--blue); margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.q-step::before {
  content: ''; display: block; width: 20px; height: 1px;
  background: var(--blue); flex-shrink: 0;
}

.q-title {
  font-family: var(--font-body); font-size: 22px; font-weight: 700;
  line-height: 1.35; color: var(--text); margin-bottom: 6px;
  letter-spacing: -.2px;
}
.q-subtitle {
  font-size: 13px; color: var(--text-dim); margin-bottom: 26px;
  line-height: 1.55;
}

.options-list { display: flex; flex-direction: column; gap: 8px; }
.opt-wrap     { display: flex; flex-direction: column; }

.opt-btn {
  width: 100%; padding: 13px 16px;
  background: var(--surface2); border: 1px solid var(--line);
  border-radius: var(--r); color: var(--text);
  font-size: 14px; font-family: var(--font-body); font-weight: 500;
  cursor: pointer; text-align: left;
  display: flex; align-items: center; gap: 12px;
  transition: border-color .18s, background .18s, transform .12s;
  position: relative; overflow: hidden;
}
.opt-btn::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--blue);
  transform: scaleY(0); transform-origin: center;
  transition: transform .2s ease;
}
.opt-btn:hover { border-color: var(--line-hi); background: var(--blue-tint); }
.opt-btn:hover::before { transform: scaleY(1); }

.opt-btn.selected {
  background: var(--blue-tint2);
}
.opt-btn.selected::before { transform: scaleY(1); }

.opt-indicator {
  flex-shrink: 0; width: 16px; height: 16px;
  border: 1.5px solid var(--line-hi); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: border-color .18s, background .18s;
  position: relative;
}
.opt-btn.selected .opt-indicator {
  border-color: var(--blue); background: var(--blue);
}
.opt-btn:not(.multi).selected .opt-indicator::after {
  content: ''; width: 5px; height: 5px; background: var(--bg);
  border-radius: 50%; display: block;
}
.opt-btn.multi .opt-indicator { border-radius: 3px; }
.opt-btn.multi.selected .opt-indicator::after {
  content: '';
  width: 8px; height: 5px;
  border-left: 2px solid var(--bg); border-bottom: 2px solid var(--bg);
  transform: rotate(-45deg) translate(1px, -1px);
  display: block;
}

.opt-label { flex: 1; line-height: 1.4; }

.sub-wrap {
  margin: 4px 0 8px 28px;
  animation: fadeIn .2s ease;
}

.input-toggle-bar {
  display: flex; border: 1px solid var(--line); border-radius: var(--r);
  overflow: hidden; align-self: flex-start; margin-bottom: 8px;
  width: fit-content;
}
.input-toggle-bar.small { margin-bottom: 6px; }

.itoggle {
  padding: 5px 14px; font-size: 12px; font-family: var(--font-mono);
  font-weight: 700; letter-spacing: .5px; cursor: pointer;
  border: none; background: transparent; color: var(--text-dim);
  transition: background .15s, color .15s;
}
.itoggle.active { background: var(--text-dim); color: var(--bg); }
.itoggle:hover:not(.active) { background: var(--blue-tint); color: var(--text); }

.opt-sub-input,
.txt-area {
  width: 100%; padding: 11px 14px;
  background: var(--bg2); border: 1px solid var(--line);
  border-radius: var(--r); color: var(--text);
  font-family: var(--font-body); font-size: 14px; line-height: 1.55;
  resize: none;
  transition: border-color .2s, box-shadow .2s;
}
.opt-sub-input { min-height: 52px; }
.txt-area      { min-height: 110px; }

.opt-sub-input:focus,
.txt-area:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--blue-glow);
}
.opt-sub-input::placeholder,
.txt-area::placeholder { color: var(--text-muted); }

.num-wrap { position: relative; }
.num-input {
  width: 100%; padding: 16px 60px 16px 16px;
  background: var(--bg2); border: 1px solid var(--line);
  border-radius: var(--r); color: var(--text);
  font-family: var(--font-mono); font-size: 20px; font-weight: 700;
  letter-spacing: -1px;
  transition: border-color .2s, box-shadow .2s;
  -moz-appearance: textfield;
  min-height: 65px;
}
.num-input::-webkit-outer-spin-button,
.num-input::-webkit-inner-spin-button { -webkit-appearance: none; }
.num-suffix {
  position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
  font-family: var(--font-mono); font-size: 16px; font-weight: 700;
  color: var(--blue); pointer-events: none;
}
.num-input::placeholder {
  color: var(--text-muted);
}

.err-msg {
  display: none; margin-top: 14px; padding: 10px 14px;
  background: rgba(248,113,113,.08); border-left: 3px solid var(--red);
  border-radius: var(--r); font-size: 13px; color: var(--red);
  font-family: var(--font-mono);
}
.err-msg.show { display: block; animation: fadeIn .2s ease; }

.file-inline-zone { display: flex; flex-direction: column; gap: 8px; }
.file-drop-zone-inline {
  display: flex; align-items: center; gap: 10px; padding: 12px 16px;
  border: 1px dashed var(--line-hi); border-radius: var(--r);
  background: var(--bg2); cursor: pointer; position: relative;
  transition: border-color .2s, background .2s;
}
.file-drop-zone-inline:hover { border-color: var(--blue); background: var(--blue-tint); }
.file-drop-icon-sm { font-size: 18px; flex-shrink: 0; }
.file-drop-text-sm { font-size: 12px; color: var(--text-dim); }
.file-list-inline { display: flex; flex-direction: column; gap: 6px; }
.file-item-inline {
  display: flex; align-items: center; gap: 8px; padding: 8px 12px;
  background: var(--surface2); border: 1px solid var(--line); border-radius: var(--r);
}
.file-name  { flex: 1; font-size: 12px; font-family: var(--font-mono); color: var(--text); word-break: break-all; }
.file-size  { font-size: 11px; color: var(--text-muted); white-space: nowrap; }
.file-remove {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 14px; padding: 2px 4px;
  transition: color .2s;
}
.file-remove:hover { color: var(--red); }

.bottom-nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 0 4px;
  gap: 12px;
}
.btn {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--r);
  font-size: 14px; font-family: var(--font-mono); font-weight: 700;
  letter-spacing: .5px; cursor: pointer; border: none;
  transition: all .2s ease;
}
.btn:disabled { opacity: .4; cursor: not-allowed; transform: none !important; }

.btn-ghost {
  background: rgba(49, 126, 200, 0.13);
  color: var(--text-dim);
  backdrop-filter: blur(1px);
  border: 1px solid var(--line);
}
.btn-ghost:hover:not(:disabled) { border-color: var(--line-hi); color: var(--text); }

.btn-primary {
  background: var(--blue); color: var(--bg);
  box-shadow: 0 0 20px var(--blue-glow);
}
.btn-primary:hover:not(:disabled) {
  box-shadow: 0 0 32px rgba(56,189,248,.4);
  transform: translateY(-1px);
}
.btn-primary:active:not(:disabled) { transform: translateY(0); }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.result-wrap { width: 100%; max-width: 760px; padding-bottom: 40px; }

.result-hero {
  text-align: center; padding: 32px 0 28px;
  margin-bottom: 28px;
}
.result-hero h1 {
  font-family: var(--font-mono); font-size: 13px; font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--blue); margin-bottom: 10px;
}
.result-hero h2 {
  font-size: 30px; font-weight: 700; color: var(--text);
  margin-bottom: 6px; letter-spacing: -.3px;
}
.result-hero p { font-size: 14px; color: var(--text-dim); }

.tor-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 24px 24px 20px;
  margin-bottom: 16px; position: relative;
  box-shadow: var(--shadow);
}
.tor-card::before { content: ''; position: absolute; top: -1px; left: -1px; width: 14px; height: 14px; border-top: 2px solid var(--blue-dim); border-left: 2px solid var(--blue-dim); border-radius: 2px 0 0 0; }
.tor-card::after  { content: ''; position: absolute; bottom: -1px; right: -1px; width: 14px; height: 14px; border-bottom: 2px solid var(--blue-dim); border-right: 2px solid var(--blue-dim); border-radius: 0 0 2px 0; }

.tor-card-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 14px; padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.tor-card-header span {
  font-family: var(--font-mono); font-size: 10px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; color: var(--blue);
}

.tor-text {
  font-family: var(--font-mono);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 440px;
  overflow-y: auto;
  resize: none;
  width:100%;
  min-height:300px;
}
.tor-text::-webkit-scrollbar { width: 3px; }
.tor-text::-webkit-scrollbar-track { background: transparent; }
.tor-text::-webkit-scrollbar-thumb { background: var(--blue-dim); border-radius: 2px; }

.actions { display: flex; flex-direction: column; gap: 9px; margin-bottom: 14px; }

.act-btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 20px; border-radius: var(--r);
  font-size: 14px; font-family: var(--font-mono); font-weight: 700;
  letter-spacing: .3px; cursor: pointer; border: none; text-decoration: none;
  transition: all .2s ease; position: relative; overflow: hidden;
}
.act-btn::after {
  content: ''; position: absolute; inset: 0;
  background: rgba(255,255,255,.05); opacity: 0;
  transition: opacity .2s;
}
.act-btn:hover::after { opacity: 1; }
.act-btn:hover { transform: translateY(-1px); }
.act-btn:active { transform: translateY(0); }
.act-btn:disabled { opacity: .5; cursor: not-allowed; transform: none !important; }

.act-copy {
  background: var(--surface2); color: var(--text-dim);
  border: 1px solid var(--line);
}
.act-copy:hover { border-color: var(--blue); color: var(--text); }

.act-direct {
  background: #0369a1; color: #e0f2fe;
  box-shadow: 0 0 20px rgba(3,105,161,.3);
}
.act-direct:hover { box-shadow: 0 0 30px rgba(3,105,161,.5); }

.act-bot {
  background: var(--blue); color: var(--bg);
  box-shadow: 0 0 20px var(--blue-glow);
}
.act-bot:hover { box-shadow: 0 0 32px rgba(56,189,248,.45); }

.act-restart {
  background: transparent; color: var(--text-muted);
  border: 1px solid var(--line);
}
.act-restart:hover { color: var(--text-dim); border-color: var(--line-hi); transform: none; }

.send-status {
  display: none; padding: 12px 16px; border-radius: var(--r);
  font-size: 13px; font-family: var(--font-mono); text-align: center;
}
.send-status.ok  { display: block; background: rgba(52,211,153,.1); color: var(--green); border: 1px solid var(--green); }
.send-status.err { display: block; background: rgba(248,113,113,.1); color: var(--red);   border: 1px solid var(--red);   }

@media (max-width: 600px) {
  .card { padding: 24px 18px 20px; }
  .q-title { font-size: 19px; }
  .brand-label { display: none; }
  .app { padding: 68px 12px 20px; }
  .result-hero h2 { font-size: 22px; }
  .btn { padding: 11px 16px; font-size: 13px; }
  .vp-corner { display: none; }
}