:root {
  --color-primary: #1d4ed8;
  --color-primary-dark: #1e3a8a;
  --color-primary-light: #3b82f6;
  --color-border: #d8dee2;
  --color-bg: #f4f6fb;
  --color-text: #1c1f1e;
  --color-muted: #5f6b66;
  --color-error-bg: #fdecea;
  --color-error-text: #92221a;
  --color-success-bg: #e9f6ec;
  --color-success-text: #1f5e34;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
}

.page {
  max-width: 860px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.app-header {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  padding: 28px 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.app-header-inner {
  max-width: 860px;
  margin: 0 auto;
}

.gate {
  min-height: calc(100vh - 300px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
}

.gate-card {
  max-width: 380px;
  width: 100%;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 28px 24px;
  box-shadow: 0 4px 16px rgba(30, 58, 138, 0.08);
  text-align: center;
}

.gate-card h2 {
  margin: 0 0 8px;
  color: var(--color-primary-dark);
}

.gate-card p {
  margin: 0 0 18px;
  color: var(--color-muted);
  font-size: 14px;
}

.gate-card label {
  text-align: left;
  margin-bottom: 16px;
}

.gate-card #gate-submit {
  display: block;
  width: 100%;
  padding: 12px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  background: var(--color-primary);
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.gate-card #gate-submit:hover {
  background: var(--color-primary-dark);
}

.gate-card .form-message {
  margin: 14px 0 0;
  text-align: left;
}

.app-header h1 {
  margin: 0 0 4px;
  font-size: 28px;
  color: #fff;
  letter-spacing: 0.02em;
}

.app-header .subtitle {
  margin: 0;
  color: #dbe6fe;
}

.section {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 16px 20px 20px;
  margin: 0 0 20px;
  background: #fff;
}

.section-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-bg);
}

.grid {
  display: grid;
  gap: 14px 20px;
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-1 { grid-template-columns: 1fr; }

@media (max-width: 640px) {
  .grid-2 { grid-template-columns: 1fr; }
}

label {
  display: flex;
  flex-direction: column;
  font-size: 13px;
  color: var(--color-muted);
  gap: 6px;
}

input, select, textarea {
  font-size: 15px;
  padding: 9px 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  color: var(--color-text);
  font-family: inherit;
  background: #fff;
}

input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.file-field {
  margin-top: 14px;
}

.inline-checkbox {
  flex-direction: row;
  align-items: center;
  font-size: 15px;
  color: var(--color-text);
  gap: 8px;
}

.inline-checkbox input {
  width: 18px;
  height: 18px;
}

.consent-text {
  color: var(--color-muted);
  font-size: 13px;
  margin-top: 0;
}

.hidden { display: none !important; }

#submit-button {
  display: block;
  width: 100%;
  padding: 14px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  background: var(--color-primary);
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

#submit-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

#submit-button:hover:not(:disabled) {
  background: var(--color-primary-dark);
}

.form-message {
  padding: 12px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 14px;
}

.form-message.error {
  background: var(--color-error-bg);
  color: var(--color-error-text);
}

.form-message.success {
  background: var(--color-success-bg);
  color: var(--color-success-text);
}

.app-footer {
  background: var(--color-primary-dark);
  color: #dbe6fe;
  text-align: center;
  padding: 20px 16px 28px;
  margin-top: 8px;
}

.app-footer p {
  margin: 0;
}

.app-footer p:first-child {
  color: #fff;
  font-weight: 600;
  margin-bottom: 4px;
}

.footer-note {
  font-size: 13px;
}