:root {
  --bg: #0b0d10;
  --surface: #13161b;
  --border: #2a2f3a;
  --text: #e6e8ee;
  --muted: #9aa0ac;
  --accent: #7cff6b;
  --accent-2: #5cd94a;
  --error: #ff5c5c;
  --warning: #ffb84d;
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 12px 120px;
}
.container-wide {
  max-width: 1100px;
}
@media (min-width: 640px) {
  .container {
    padding: 32px 16px 80px;
  }
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}
@media (min-width: 640px) {
  .card {
    padding: 28px;
  }
}
@media (min-width: 900px) {
  .container-wide .card {
    padding: 32px;
  }
}
.title {
  font-family: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 18px;
  letter-spacing: 0.2px;
}
@media (min-width: 640px) {
  .title {
    font-size: 22px;
    margin-bottom: 20px;
  }
}
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
@media (min-width: 640px) {
  .grid { gap: 16px; }
  .grid-2 { grid-template-columns: 1fr 1fr; }
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.field input, .field select, .field textarea {
  background: #0d0f13;
  color: #e6e8ee;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 12px;
  font-size: 16px;
  outline: none;
  -webkit-spellcheck: false;
}
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
input:-webkit-autofill:active,
textarea:-webkit-autofill,
textarea:-webkit-autofill:hover,
textarea:-webkit-autofill:focus,
textarea:-webkit-autofill:active,
input.input-valid:-webkit-autofill,
input.input-valid:-webkit-autofill:hover,
input.input-valid:-webkit-autofill:focus,
input.input-valid:-webkit-autofill:active,
input.input-invalid:-webkit-autofill,
input.input-invalid:-webkit-autofill:hover,
input.input-invalid:-webkit-autofill:focus,
input.input-invalid:-webkit-autofill:active,
textarea.input-valid:-webkit-autofill,
textarea.input-valid:-webkit-autofill:hover,
textarea.input-valid:-webkit-autofill:focus,
textarea.input-valid:-webkit-autofill:active,
textarea.input-invalid:-webkit-autofill,
textarea.input-invalid:-webkit-autofill:hover,
textarea.input-invalid:-webkit-autofill:focus,
textarea.input-invalid:-webkit-autofill:active {
  -webkit-box-shadow: 0 0 0 1000px #0d0f13 inset !important;
  box-shadow: 0 0 0 1000px #0d0f13 inset !important;
  -webkit-text-fill-color: #e6e8ee !important;
  transition: background-color 9999s ease-in-out 0s;
}
@media (min-width: 640px) {
  .field input, .field select {
    padding: 10px 12px;
    font-size: 14px;
    min-height: auto;
  }
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: #3f4758;
  box-shadow: 0 0 0 3px rgba(124,255,107,0.08);
}
.input-valid { border-color: var(--accent) !important; box-shadow: 0 0 0 3px rgba(124,255,107,0.12) !important; color: #e6e8ee !important; }
.input-invalid { border-color: var(--error) !important; box-shadow: 0 0 0 3px rgba(255,92,92,0.12) !important; color: #e6e8ee !important; }
.input-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #0d0f13;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0 10px;
  transition: border-color 150ms ease, box-shadow 150ms ease;
  min-height: 44px;
}
@media (min-width: 640px) {
  .input-wrap {
    padding: 0 10px;
    min-height: auto;
  }
}
.input-wrap:focus-within {
  border-color: #3f4758;
  box-shadow: 0 0 0 3px rgba(124,255,107,0.08);
}
.input-wrap input, .input-wrap select {
  flex: 1;
  background: transparent;
  color: #e6e8ee;
  border: none;
  padding: 12px 0;
  font-size: 16px;
  outline: none;
  min-width: 0;
  min-height: auto;
}
@media (min-width: 640px) {
  .input-wrap input, .input-wrap select {
    padding: 10px 0;
    font-size: 14px;
  }
}
.input-wrap input::placeholder { color: #5c6273; }
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 4px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease, transform 80ms ease;
  flex-shrink: 0;
}
@media (hover: hover) {
  .icon-btn:hover { background: #1d222b; color: var(--text); }
}
.icon-btn:active { transform: translateY(1px); }
.icon-btn svg { width: 16px; height: 16px; }
.section-gap { margin-top: 20px; }
@media (min-width: 640px) {
  .section-gap { margin-top: 24px; }
}
.divider {
  height: 1px;
  background: var(--border);
  margin: 20px 0;
}
@media (min-width: 640px) {
  .divider { margin: 24px 0; }
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 16px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: var(--accent);
  color: #0b0d10;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 80ms ease, background 150ms ease;
  min-height: 48px;
}
@media (min-width: 640px) {
  .btn {
    padding: 12px 16px;
    min-height: auto;
  }
}
.btn:hover { background: var(--accent-2); }
.btn:active { transform: translateY(1px); }
.hint {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
  text-align: center;
}
.field-error {
  font-size: 12px;
  color: var(--error);
  margin-top: 4px;
  min-height: 16px;
}
.status-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding: 14px 16px;
  border-radius: 8px;
  background: #0d0f13;
  border: 1px solid var(--border);
}
.status-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.status-icon svg {
  width: 20px;
  height: 20px;
  display: none;
}
.status-icon .check {
  display: none;
  color: var(--accent);
}
.status-icon .cross {
  display: none;
  color: var(--error);
}
.status-icon.success .check {
  display: block;
}
.status-icon.error .cross {
  display: block;
}
.status-icon .spinner {
  display: block;
}
.status-icon.success .spinner,
.status-icon.error .spinner {
  display: none;
}
.spinner {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  animation: spin 1s linear infinite;
  flex-shrink: 0;
}
.spinner.done { border-top-color: var(--accent); animation: none; }
.spinner.error { border-top-color: var(--error); animation: none; }
@keyframes spin { to { transform: rotate(360deg); } }
.status-text { font-size: 14px; color: var(--text); }
.status-meta { font-size: 12px; color: var(--muted); margin-top: 2px; }
.footer {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  align-items: center;
  margin-bottom: 40px;
}
.footer-hint {
  font-size: 13px;
  color: var(--muted);
  width: 100%;
  text-align: center;
  margin-bottom: 4px;
}
@media (min-width: 640px) {
  .footer-hint {
    width: auto;
    margin-bottom: 0;
    margin-right: 4px;
  }
}
.footer a {
  color: var(--accent);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 4px;
  transition: color 120ms ease, background 120ms ease;
}
@media (hover: hover) {
  .footer a:hover { color: var(--accent-2); background: #1d222b; }
}