/* Telegram Mini App — uses CSS variables from TG theme */
:root {
  --tg-theme-bg-color: #ffffff;
  --tg-theme-text-color: #000000;
  --tg-theme-hint-color: #999999;
  --tg-theme-link-color: #2481cc;
  --tg-theme-button-color: #2481cc;
  --tg-theme-button-text-color: #ffffff;
  --tg-theme-secondary-bg-color: #f1f1f1;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--tg-theme-bg-color);
  color: var(--tg-theme-text-color);
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

.container {
  max-width: 480px;
  margin: 0 auto;
  padding: 16px 16px 32px;
}

.page-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--tg-theme-text-color);
}

/* Fields */
.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--tg-theme-hint-color);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 6px;
}

.required {
  color: #e53935;
}

.field input[type="text"],
.field input[type="url"],
.field input[type="date"],
.field textarea,
.field select {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid rgba(0, 0, 0, 0.12);
  border-radius: 10px;
  background-color: var(--tg-theme-secondary-bg-color);
  color: var(--tg-theme-text-color);
  font-size: 16px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s ease;
  -webkit-appearance: none;
  appearance: none;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: var(--tg-theme-button-color);
}

.field input.invalid,
.field textarea.invalid,
.field select.invalid {
  border-color: #e53935;
}

.field textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.5;
}

.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}

.field-static {
  padding: 12px 14px;
  border-radius: 10px;
  background-color: var(--tg-theme-secondary-bg-color);
  color: var(--tg-theme-hint-color);
  font-size: 16px;
  border: 1.5px solid transparent;
}

/* Errors */
.field-error {
  display: block;
  color: #e53935;
  font-size: 12px;
  margin-top: 4px;
  min-height: 16px;
}

.form-error {
  background-color: #ffebee;
  color: #c62828;
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 14px;
  margin-bottom: 16px;
}

/* Submit button */
.submit-btn {
  width: 100%;
  padding: 15px;
  background-color: var(--tg-theme-button-color);
  color: var(--tg-theme-button-text-color);
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: opacity 0.15s ease;
  margin-top: 8px;
}

.submit-btn:active {
  opacity: 0.85;
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Spinner */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Success screen */
.success-screen {
  text-align: center;
  padding: 40px 16px;
}

.success-icon {
  font-size: 64px;
  margin-bottom: 16px;
}

.success-screen h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
}

.success-screen p {
  font-size: 14px;
  color: var(--tg-theme-hint-color);
  margin-bottom: 24px;
  word-break: break-all;
}

.success-screen .submit-btn {
  max-width: 240px;
  margin: 0 auto;
}