:root {
  --bg: #e8ede4;
  --bg-deep: #dce4d8;
  --panel: #f7faf4;
  --panel-strong: #ffffff;
  --ink: #10170f;
  --muted: #637060;
  --faint: #95a190;
  --line: #9ba997;
  --line-hot: #1d2a1b;
  --accent: #a8db00;
  --accent-hot: #7eaa00;
  --accent-ink: #0c120a;
  --danger: #bd2f20;
  --danger-bg: #ffd8d2;
  --grid: rgba(20, 40, 18, .075);
  --scan: rgba(15, 35, 14, .025);
  --shadow: #172016;
  --glow: rgba(136, 191, 0, .18);
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

[data-theme="dark"] {
  --bg: #07100b;
  --bg-deep: #030805;
  --panel: #0a150e;
  --panel-strong: #0d1b12;
  --ink: #d7f8cd;
  --muted: #7fa183;
  --faint: #4d6852;
  --line: #29452f;
  --line-hot: #8dcc70;
  --accent: #7dff5b;
  --accent-hot: #9eff81;
  --accent-ink: #061006;
  --danger: #ff7767;
  --danger-bg: #321410;
  --grid: rgba(99, 219, 75, .085);
  --scan: rgba(121, 255, 90, .028);
  --shadow: #000000;
  --glow: rgba(98, 255, 75, .22);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --bg: #07100b;
    --bg-deep: #030805;
    --panel: #0a150e;
    --panel-strong: #0d1b12;
    --ink: #d7f8cd;
    --muted: #7fa183;
    --faint: #4d6852;
    --line: #29452f;
    --line-hot: #8dcc70;
    --accent: #7dff5b;
    --accent-hot: #9eff81;
    --accent-ink: #061006;
    --danger: #ff7767;
    --danger-bg: #321410;
    --grid: rgba(99, 219, 75, .085);
    --scan: rgba(121, 255, 90, .028);
    --shadow: #000000;
    --glow: rgba(98, 255, 75, .22);
  }
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); transition: background-color .2s ease; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-mono);
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    radial-gradient(circle at 74% 18%, var(--glow), transparent 28%);
  background-size: 32px 32px, 32px 32px, auto;
  transition: color .2s ease, background-color .2s ease;
}
button, input, a { font: inherit; }
button, a, label { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.screen-fx {
  position: fixed;
  z-index: 10;
  inset: 0;
  pointer-events: none;
  opacity: .55;
  background: repeating-linear-gradient(0deg, transparent 0 3px, var(--scan) 3px 4px);
  mix-blend-mode: multiply;
}
[data-theme="dark"] .screen-fx { mix-blend-mode: screen; }
@media (prefers-color-scheme: dark) { :root:not([data-theme]) .screen-fx { mix-blend-mode: screen; } }

.topbar {
  min-height: 68px;
  padding: 0 clamp(18px, 4vw, 60px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  position: relative;
  z-index: 2;
  backdrop-filter: blur(12px);
}
.topbar::after { content: ""; position: absolute; left: 0; bottom: -1px; width: 18%; height: 1px; background: var(--accent); box-shadow: 0 0 16px var(--accent); }
.brand { color: var(--ink); text-decoration: none; font-size: 12px; letter-spacing: -.02em; white-space: nowrap; }
.brand-prompt { color: var(--accent-hot); font-weight: 700; }
.brand > span:not(.brand-prompt) { color: var(--muted); }
.header-tools { display: flex; align-items: center; gap: 20px; }
.privacy { color: var(--muted); font-size: 9px; letter-spacing: .08em; white-space: nowrap; }
.privacy-dot { display: inline-block; width: 6px; height: 6px; margin-right: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 9px var(--accent); animation: pulse 2s ease-in-out infinite; }
.theme-switcher { display: flex; padding: 3px; border: 1px solid var(--line); background: var(--panel); }
.theme-switcher button { min-height: 26px; padding: 0 8px; border: 0; background: transparent; color: var(--muted); cursor: pointer; font-size: 8px; letter-spacing: .06em; }
.theme-switcher button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); font-weight: 700; box-shadow: 0 0 12px var(--glow); }

.shell { width: min(1120px, calc(100% - 40px)); margin: 0 auto; padding: clamp(52px, 7vw, 92px) 0 44px; }
.hero { display: grid; grid-template-columns: 1.22fr .78fr; align-items: end; gap: clamp(36px, 7vw, 94px); margin-bottom: 48px; }
.eyebrow { grid-column: 1 / -1; display: flex; align-items: center; gap: 12px; margin: 0 0 -24px; color: var(--muted); font-size: 9px; letter-spacing: .12em; }
.eyebrow::after { content: ""; width: min(300px, 25vw); height: 1px; background: var(--line); }
.eyebrow span { color: var(--accent-hot); }.eyebrow i { color: var(--accent-hot); font-style: normal; }
h1 { margin: 0; font-size: clamp(48px, 7.2vw, 90px); line-height: .9; letter-spacing: -.075em; font-weight: 700; }
h1 em { color: transparent; font-style: normal; -webkit-text-stroke: 1px var(--ink); text-shadow: 3px 3px 0 var(--glow); }
.terminal-intro { position: relative; margin-bottom: 2px; padding: 19px 20px; border-left: 2px solid var(--accent); background: color-mix(in srgb, var(--panel) 86%, transparent); box-shadow: inset 0 0 0 1px var(--line); }
.terminal-intro::before { content: "STATUS.LOG"; position: absolute; right: 9px; top: -15px; color: var(--faint); font-size: 8px; }
.terminal-intro p { margin: 0 0 8px; color: var(--muted); font-size: 10px; line-height: 1.35; }.terminal-intro p:last-child { margin-bottom: 0; }
.terminal-intro p span { display: inline-block; width: 18px; color: var(--accent-hot); }.terminal-intro strong { color: var(--ink); }
.terminal-intro .terminal-ready { margin-top: 15px; padding-top: 12px; border-top: 1px dashed var(--line); color: var(--ink); }.terminal-ready span { animation: blink 1.2s steps(1) infinite; }

.transfer-card { width: min(690px, 100%); margin: 0 auto; position: relative; border: 1px solid var(--line-hot); background: color-mix(in srgb, var(--panel) 94%, transparent); box-shadow: 9px 9px 0 var(--shadow), 0 0 35px var(--glow); }
.transfer-card::before, .transfer-card::after { content: ""; position: absolute; width: 13px; height: 13px; pointer-events: none; }
.transfer-card::before { left: -5px; top: -5px; border-left: 2px solid var(--accent); border-top: 2px solid var(--accent); }
.transfer-card::after { right: -5px; bottom: -5px; border-right: 2px solid var(--accent); border-bottom: 2px solid var(--accent); }
.window-bar { min-height: 34px; padding: 0 14px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-bottom: 1px solid var(--line); background: var(--bg-deep); color: var(--muted); font-size: 8px; letter-spacing: .08em; }
.window-bar > span:last-child { text-align: right; }.window-dots { display: flex; gap: 5px; }.window-dots i { width: 6px; height: 6px; border: 1px solid var(--muted); }.window-dots i:first-child { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 7px var(--accent); }
.card-topline { min-height: 46px; padding: 0 22px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px dashed var(--line); color: var(--muted); font-size: 9px; letter-spacing: .1em; }
.status-pill { color: var(--ink); }.status-pill i { display: inline-block; width: 6px; height: 6px; margin-right: 7px; background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.view { display: none; padding: clamp(28px, 5vw, 46px); }.view.active { display: block; animation: terminal-in .22s steps(5, end); }
label { display: block; color: var(--ink); font-size: 9px; letter-spacing: .08em; font-weight: 700; }.prompt-char { float: none; color: var(--accent-hot); font-size: inherit; }label > span:last-child { float: right; color: var(--muted); font-size: 8px; font-weight: 400; }
.input-shell { height: 86px; margin: 14px 0 16px; display: flex; align-items: center; position: relative; border: 1px solid var(--line-hot); background: var(--panel-strong); }
.input-shell > span { width: 46px; color: var(--accent-hot); text-align: right; font-size: 20px; font-weight: 700; }
.input-shell > i { width: 9px; height: 35px; margin-right: 22px; background: var(--accent); opacity: .8; animation: blink 1s steps(1) infinite; }
.code-input { width: 100%; height: 100%; min-width: 0; padding: 0 16px; border: 0; outline: 0; background: transparent; color: var(--ink); text-align: center; font-size: clamp(26px, 5vw, 40px); font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }
.code-input::placeholder { color: var(--faint); opacity: .6; }.input-shell:focus-within { border-color: var(--accent-hot); box-shadow: inset 0 -3px 0 var(--accent), 0 0 18px var(--glow); }
.primary-button, .secondary-button { width: 100%; min-height: 56px; border: 1px solid var(--line-hot); cursor: pointer; display: flex; justify-content: space-between; align-items: center; padding: 0 20px; text-decoration: none; font-size: 10px; font-weight: 700; letter-spacing: .09em; }
.primary-button { background: var(--ink); color: var(--panel); }.primary-button:hover { background: var(--accent); color: var(--accent-ink); box-shadow: 0 0 24px var(--glow); }.primary-button .button-command { color: inherit; font-size: inherit; }.primary-button .button-key { padding: 6px 9px; border: 1px solid currentColor; color: var(--accent); font-size: 9px; }.primary-button:hover .button-key { color: var(--accent-ink); }.primary-button > span:not(.button-command):not(.button-key) { color: var(--accent); font-size: 18px; }.primary-button:disabled { opacity: .4; cursor: not-allowed; }.secondary-button { justify-content: center; margin-top: 12px; background: transparent; color: var(--ink); }.secondary-button:hover { border-color: var(--accent-hot); color: var(--accent-hot); }
.hint { margin: 17px 0 0; text-align: center; color: var(--muted); font-size: 8px; line-height: 1.6; letter-spacing: .04em; }
.section-label { color: var(--accent-hot); font-size: 9px; letter-spacing: .12em; font-weight: 700; }
.display-code { width: 100%; margin: 15px 0 22px; padding: 21px 12px; border: 1px dashed var(--line-hot); background: var(--accent); cursor: pointer; color: var(--accent-ink); font-size: clamp(24px, 5vw, 39px); font-weight: 700; letter-spacing: .1em; box-shadow: inset 0 0 0 5px color-mix(in srgb, var(--accent) 76%, var(--panel)); }.display-code small { display: block; margin-top: 8px; font-size: 8px; letter-spacing: .15em; }
.waiting-line { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 14px; border-left: 2px solid var(--accent); background: var(--bg-deep); font-size: 10px; }.loader { width: 10px; height: 10px; border: 2px solid var(--accent); border-right-color: transparent; border-radius: 50%; animation: spin .7s linear infinite; }
.connection-banner { display: flex; align-items: center; gap: 15px; padding-bottom: 24px; }.connection-icon { display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid var(--accent-hot); background: var(--glow); color: var(--accent-hot); font-size: 21px; box-shadow: inset 0 0 12px var(--glow); }.connection-banner strong, .connection-banner small { display: block; }.connection-banner strong { font-size: 19px; letter-spacing: .04em; }.connection-banner small { margin-top: 4px; color: var(--muted); font-size: 8px; text-transform: uppercase; letter-spacing: .08em; }
.file-picker { min-height: 160px; padding: 24px; border: 1px dashed var(--line-hot); display: flex; flex-direction: column; align-items: center; justify-content: center; cursor: pointer; text-align: center; background: var(--panel-strong); }.file-picker:hover { border-color: var(--accent-hot); box-shadow: inset 0 0 28px var(--glow); }.file-picker input { position: absolute; opacity: 0; pointer-events: none; }.file-picker .plus { float: none; display: grid; place-items: center; width: 40px; height: 40px; margin-bottom: 13px; border: 1px solid var(--accent-hot); color: var(--accent-hot); font-size: 23px; }.file-picker strong { font-size: 10px; }.file-picker small { margin-top: 7px; color: var(--muted); font-size: 8px; }
.file-details { display: flex; align-items: center; gap: 14px; padding: 13px; border: 1px solid var(--line-hot); margin-bottom: 13px; background: var(--panel-strong); }.file-glyph { width: 44px; height: 50px; display: grid; place-items: center; background: var(--accent); color: var(--accent-ink); font-size: 8px; font-weight: 700; }.file-copy { min-width: 0; flex: 1; }.file-copy strong, .file-copy span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }.file-copy strong { font-size: 12px; }.file-copy span { color: var(--muted); font-size: 8px; margin-top: 5px; }.file-details button { border: 0; background: none; color: var(--muted); font-size: 22px; cursor: pointer; }
.hidden { display: none !important; }
#transfer-view h2, #complete-view h2, #error-view h2 { overflow-wrap: anywhere; margin: 12px 0 28px; font-size: clamp(20px, 4vw, 31px); line-height: 1.1; letter-spacing: -.04em; }.progress-track { height: 13px; border: 1px solid var(--line-hot); padding: 3px; background: var(--bg-deep); }.progress-track div { height: 100%; width: 0; background: repeating-linear-gradient(90deg, var(--accent) 0 12px, transparent 12px 15px); transition: width .15s linear; box-shadow: 0 0 10px var(--accent); }.progress-stats { display: flex; align-items: baseline; justify-content: space-between; margin-top: 12px; }.progress-stats strong { color: var(--accent-hot); font-size: 27px; }.progress-stats span, .speed { color: var(--muted); font-size: 9px; }.speed { min-height: 15px; margin: 13px 0 25px; }
.complete-mark, .error-mark { width: 58px; height: 58px; margin-bottom: 24px; display: grid; place-items: center; border: 1px solid var(--accent-hot); background: var(--glow); color: var(--accent-hot); font-size: 26px; box-shadow: 0 0 18px var(--glow); }.error-mark { border-color: var(--danger); background: var(--danger-bg); color: var(--danger); box-shadow: none; }
.trust-row { display: flex; justify-content: center; gap: clamp(20px, 6vw, 68px); margin-top: 48px; color: var(--muted); font-size: 8px; letter-spacing: .08em; }.trust-row span::first-letter { color: var(--accent-hot); }
.debug-panel { position: fixed; right: 14px; bottom: 14px; width: min(350px, calc(100% - 28px)); max-height: 55vh; overflow: auto; z-index: 20; padding: 10px 14px; border: 1px solid var(--accent-hot); background: var(--bg-deep); color: var(--accent); font-size: 9px; box-shadow: 0 0 24px var(--glow); }.debug-panel:not([data-enabled]) { display: none; }.debug-panel summary { cursor: pointer; }.debug-panel dl { display: grid; grid-template-columns: 1fr 1.4fr; gap: 6px; }.debug-panel dt { color: var(--muted); }.debug-panel dd { margin: 0; overflow-wrap: anywhere; }

@keyframes pulse { 50% { opacity: .35; box-shadow: 0 0 2px var(--accent); } }
@keyframes blink { 50% { opacity: 0; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes terminal-in { from { opacity: 0; clip-path: inset(0 0 100% 0); } }

@media (max-width: 760px) {
  .topbar { min-height: auto; padding-block: 12px; align-items: flex-start; }.header-tools { gap: 10px; align-items: flex-end; flex-direction: column; }.privacy { display: none; }.theme-switcher button { padding-inline: 6px; font-size: 7px; }
  .shell { padding-top: 45px; }.hero { grid-template-columns: 1fr; gap: 26px; margin-bottom: 36px; }.eyebrow { margin-bottom: -10px; }.eyebrow::after { flex: 1; width: auto; }.terminal-intro { margin-top: 2px; }
  .transfer-card { box-shadow: 6px 6px 0 var(--shadow); }.window-bar { grid-template-columns: 1fr auto; }.window-bar > span:nth-child(2) { display: none; }.view { padding: 27px 19px; }.card-topline { padding-inline: 17px; }.trust-row { flex-wrap: wrap; gap: 12px 22px; margin-top: 35px; }
  .input-shell { height: 73px; }.input-shell > span { width: 31px; }.input-shell > i { margin-right: 11px; height: 29px; }.code-input { padding-inline: 7px; letter-spacing: .07em; }label > span:last-child { display: block; float: none; margin: 6px 0 0 17px; }
}

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }