:root {
  --bg: #0b0c0f;
  --panel: #131417;
  --border: #23252b;
  --border-hover: #3a3d46;
  --text: #e8e9ec;
  --text-dim: #8b8d96;
  --accent: #6ee7b7;
  --accent-dim: #1f6b52;
  --danger: #f87171;
  --radius: 14px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 20% -10%, rgba(110,231,183,0.08), transparent 40%),
    radial-gradient(circle at 80% 110%, rgba(110,231,183,0.05), transparent 40%),
    var(--bg);
  color: var(--text);
  display: flex;
  justify-content: center;
  padding: 48px 20px;
}

.wrap {
  width: 100%;
  max-width: 640px;
}

.head {
  text-align: center;
  margin-bottom: 32px;
}

.logo {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.logo span { color: var(--accent); }

.sub {
  margin: 8px 0 0;
  color: var(--text-dim);
  font-size: 14px;
}
.sub code {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 5px;
  font-size: 13px;
}

.promo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--text);
  background: linear-gradient(135deg, rgba(110,231,183,0.08), rgba(110,231,183,0.02));
  border: 1px solid var(--accent-dim);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 20px;
  transition: border-color .15s ease, transform .1s ease, background .15s ease;
}
.promo:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
  background: linear-gradient(135deg, rgba(110,231,183,0.14), rgba(110,231,183,0.03));
}
.promo-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  background: var(--panel);
  border: 1px solid var(--border);
}
.promo-text { flex: 1; min-width: 0; }
.promo-title {
  margin: 0 0 3px;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.promo-badge {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(110,231,183,0.12);
  border: 1px solid var(--accent-dim);
  border-radius: 999px;
  padding: 2px 8px;
  letter-spacing: 0.02em;
}
.promo-desc {
  margin: 0;
  font-size: 12.5px;
  color: var(--text-dim);
  line-height: 1.4;
}
.promo-arrow {
  flex-shrink: 0;
  color: var(--text-dim);
  transition: color .15s ease, transform .15s ease;
}
.promo:hover .promo-arrow {
  color: var(--accent);
  transform: translateX(2px);
}

.dropzone {
  border: 1.5px dashed var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 56px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease, transform .1s ease;
}
.dropzone.drag {
  border-color: var(--accent);
  background: #10201a;
  transform: scale(1.01);
}
.dropzone:hover {
  border-color: var(--border-hover);
}

.dz-icon { color: var(--text-dim); margin-bottom: 12px; }
.dropzone.drag .dz-icon { color: var(--accent); }

.dz-title {
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 6px;
}
.dz-hint {
  font-size: 13px;
  color: var(--text-dim);
  margin: 0 0 20px;
}
.dz-limit {
  font-size: 12px;
  color: var(--text-dim);
  margin: 14px 0 0;
}

.btn {
  background: var(--accent);
  color: #05130d;
  border: none;
  font-weight: 600;
  font-size: 14px;
  padding: 10px 22px;
  border-radius: 999px;
  cursor: pointer;
  transition: opacity .15s ease;
}
.btn:hover { opacity: .88; }

.status {
  margin-top: 20px;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 14px;
  text-align: center;
  border: 1px solid var(--border);
  background: var(--panel);
}
.status.hidden { display: none; }
.status.busy { color: var(--text-dim); }
.status.success { color: var(--accent); border-color: var(--accent-dim); }
.status.error { color: var(--danger); border-color: #5b2323; }

.password-box {
  margin-top: 16px;
  padding: 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel);
}
.password-box.hidden { display: none; }
.password-msg {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--text-dim);
}
.password-row {
  display: flex;
  gap: 8px;
}
.password-row input {
  flex: 1;
  background: #0e0f12;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 9px 12px;
  font-size: 14px;
  outline: none;
}
.password-row input:focus {
  border-color: var(--accent);
}

.mode-box {
  margin-top: 16px;
  padding: 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel);
}
.mode-box.hidden { display: none; }
.mode-msg {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--text-dim);
}
.mode-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.mode-row .btn { flex: 1; }

.log {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 260px;
  overflow-y: auto;
}
.log li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
}
.log .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.log.ok .dot, .log li.ok .dot { background: var(--accent); }
.log li.err .dot { background: var(--danger); }
.log .fname {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 45%;
}
.log .msg {
  color: var(--text-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.token-box {
  margin-top: 24px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.token-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.token-title {
  margin: 0;
  font-size: 13px;
  color: var(--text-dim);
}
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border-hover);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: border-color .15s ease, color .15s ease;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost:disabled { opacity: .5; cursor: default; }

.token-result {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
}
.token-result code {
  flex: 1;
  font-size: 12.5px;
  word-break: break-all;
  color: var(--accent);
}
.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 15px;
  flex-shrink: 0;
}
.btn-icon:hover { color: var(--accent); }

.token-msg {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--text-dim);
}
.token-msg.success { color: var(--accent); }
.token-msg.error { color: var(--danger); }

.faq {
  margin-top: 24px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.faq-title {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.faq-item {
  border-top: 1px solid var(--border);
  padding: 10px 0;
}
.faq-item:first-of-type {
  border-top: none;
  padding-top: 0;
}
.faq-item summary {
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  color: var(--text-dim);
  font-size: 16px;
  font-weight: 400;
  transition: transform .15s ease, color .15s ease;
}
.faq-item[open] summary::after {
  content: "−";
  color: var(--accent);
}
.faq-item summary:hover { color: var(--accent); }
.faq-body {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.55;
}
.faq-body p { margin: 0 0 8px; }
.faq-body p:last-child { margin-bottom: 0; }
.faq-body code {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 5px;
  font-size: 12px;
  color: var(--accent);
}
.faq-body pre {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 12px;
  overflow-x: auto;
  margin: 0 0 8px;
  color: var(--text);
  line-height: 1.5;
}

.foot {
  margin-top: 32px;
  text-align: center;
  font-size: 12px;
  color: var(--text-dim);
}