/* Ottonomy @ HIMSS26 — minimal, futuristic, mobile-first (light theme) */

:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --border: rgba(0, 0, 0, 0.08);
  --text: #1a1c1e;
  --text-muted: #5f6368;
  --accent: #008f7a;
  --accent-dim: rgba(0, 143, 122, 0.12);
  --error: #c5221f;
  --btn-text: #ffffff;
  --radius: 12px;
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-display: "Space Grotesk", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  position: relative;
  overflow-x: hidden;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

.card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.header {
  text-align: center;
  margin-bottom: 1.75rem;
}

.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.header .logo {
  display: block;
  max-width: 200px;
  height: auto;
  margin: 0 auto;
  object-fit: contain;
}

.tagline {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin: 0 0 1.25rem 0;
}

.view-success {
  display: none;
  text-align: center;
}

.view-success.is-visible {
  display: block;
}

.view-form.is-hidden {
  display: none;
}

.success-heading {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 0.5rem 0;
  letter-spacing: -0.02em;
}

.success-text {
  font-size: 1rem;
  color: var(--text-muted);
  margin: 0 0 1.5rem 0;
}

.view-success .download-link {
  display: inline-block;
  margin-bottom: 0.75rem;
}

.save-hint {
  display: none;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0 0 1.5rem 0;
  line-height: 1.45;
  max-width: 28em;
  margin-left: auto;
  margin-right: auto;
}

.save-hint.show {
  display: block;
}

.submit-another-wrap {
  margin: 0;
}

.submit-another {
  font-size: 0.9rem;
  color: var(--accent);
  text-decoration: none;
}

.submit-another:hover {
  text-decoration: underline;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
}

.field input {
  width: 100%;
  padding: 0.85rem 1rem;
  font: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: border-color 0.2s, box-shadow 0.2s;
  -webkit-appearance: none;
  appearance: none;
}

.field input::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

.field input:hover {
  border-color: rgba(0, 0, 0, 0.14);
}

.field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.field input:invalid:not(:placeholder-shown):not(:focus) {
  border-color: var(--error);
}

.field .error {
  font-size: 0.75rem;
  color: var(--error);
  min-height: 1.2em;
}

.form-message {
  font-size: 0.85rem;
  margin: 0;
  min-height: 1.4em;
}

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

.form-message.success {
  color: var(--accent);
}

.download-link {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--btn-text);
  background: var(--accent);
  border-radius: 8px;
  text-decoration: none;
  transition: box-shadow 0.2s;
}

.download-link:hover {
  box-shadow: 0 6px 20px var(--accent-dim);
}

.submit {
  margin-top: 0.5rem;
  padding: 1rem 1.5rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--btn-text);
  background: var(--accent);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s;
  position: relative;
}

.submit:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--accent-dim);
}

.submit:active:not(:disabled) {
  transform: translateY(0);
}

.submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.submit .btn-loading {
  display: none;
}

.submit.loading .btn-text {
  display: none;
}

.submit.loading .btn-loading {
  display: inline;
}

.disclaimer {
  margin: 1.25rem 0 0;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
}

/* Touch-friendly, no hover reliance */
@media (max-width: 480px) {
  .card {
    padding: 1.5rem 1.25rem;
  }

  .submit {
    padding: 1rem;
  }
}