body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

.container {
  max-width: 920px;
  margin: 88px auto 28px;
  padding: 20px;
}

.app-header {
  align-items: center;
  background: var(--bg);
  display: flex;
  height: 64px;
  left: 0;
  margin: 0;
  position: fixed;
  right: 0;
  top: 0;
  z-index: 80;
}

.back-arrow {
  display: block;
  left: 20px;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
}

.back-arrow img {
  filter: invert(30%);
  height: 30px;
  transform: rotate(90deg);
  width: 30px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  box-shadow: 0 8px 30px rgba(10, 20, 40, .06);
  padding: 22px;
}

.form-row {
  margin-bottom: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

label span {
  color: var(--text-primary);
  display: block;
  font-size: 14px;
  margin-bottom: 2px;
}

.field-help {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.45;
}

.field-feedback {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.4;
  min-height: 18px;
}

.field-feedback.error {
  color: #b91c1c;
}

.field-feedback.success {
  color: #047857;
}

.field input[type="text"],
.field input[type="password"],
.field textarea {
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  box-sizing: border-box;
  color: var(--text-primary);
  font: inherit;
  padding: 10px 14px;
  width: 100%;
}

.field input[type="text"],
.field input[type="password"] {
  height: 46px;
}

.field input:focus,
.field textarea:focus {
  border-color: #111827;
  box-shadow: 0 0 0 3px rgba(17, 24, 39, .08);
  outline: none;
}

.field input.field-error,
.field textarea.field-error,
.input-group.field-error {
  border-color: #fca5a5;
}

.field input.field-ok,
.field textarea.field-ok,
.input-group.field-ok {
  border-color: #86efac;
}

.field input[readonly] {
  background: #f8fafc;
  color: var(--text-secondary);
}

.field textarea {
  min-height: 110px;
  resize: vertical;
}

.input-group {
  align-items: stretch;
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  display: flex;
  height: 46px;
}

.input-group-prefix {
  align-items: center;
  background: #f0f2f5;
  border-radius: 12px 0 0 12px;
  border-right: 1px solid var(--card-border);
  box-sizing: border-box;
  color: var(--text-secondary);
  display: flex;
  font-size: 18px;
  font-weight: 700;
  padding: 0 14px;
}

.input-group input[type="text"] {
  background: transparent;
  border: 0;
  border-radius: 0 12px 12px 0;
  flex-grow: 1;
  height: 100%;
}

.input-group input[type="text"]:focus {
  box-shadow: none;
}

.form-status {
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.4;
  margin-top: 6px;
  min-height: 20px;
  padding: 0;
}

.form-status.error,
.form-status.pending,
.form-status.success {
  border: 1px solid;
  padding: 12px 14px;
}

.form-status.error {
  background: #fef2f2;
  border-color: #fecaca;
  color: #991b1b;
}

.form-status.pending {
  background: #eff6ff;
  border-color: #bfdbfe;
  color: #1e3a8a;
}

.form-status.success {
  background: #ecfdf5;
  border-color: #bbf7d0;
  color: #065f46;
}

.form-actions {
  display: flex;
  justify-content: center;
  margin-top: 24px;
}

button {
  background: #0b1220;
  border: 0;
  border-radius: 12px;
  box-shadow: 0 6px 12px rgba(11, 18, 32, .12);
  color: #fff;
  cursor: pointer;
  font-weight: 800;
  height: 46px;
  padding: 0 18px;
}

button:disabled {
  cursor: wait;
  opacity: .6;
}

.telegram-login-field.confirmed #telegram-login-widget {
  border-left: 3px solid #86efac;
  padding-left: 10px;
}

@media (max-width: 760px) {
  .container {
    padding: 16px;
  }
}