/**
 * Marathon Inline Sequential Signup — Modular CSS
 * Source: shared/web-theme/inline-signup.css
 * TOKEN SOURCE OF TRUTH: shared/document-engine/theme/colors.json
 *
 * Drop-in component: add the HTML structure + include this CSS + inline-signup.js.
 * Works standalone or with web-theme.css. Uses CSS custom properties that
 * fall back to Marathon defaults if the parent theme doesn't define them.
 *
 * Usage:
 *   <link rel="stylesheet" href="../../shared/web-theme/inline-signup.css">
 *   <script src="../../shared/web-theme/inline-signup.js" defer></script>
 */

/* ============================================================
   Container
   ============================================================ */

.inline-signup {
  --_signup-bg: var(--bg-card, #1A1A28);
  --_signup-border: var(--border, #333348);
  --_signup-accent: var(--magenta, #E84A8A);
  --_signup-accent-light: var(--magenta-light, #F06B9E);
  --_signup-text: var(--text-primary, #F0F0F5);
  --_signup-text-muted: var(--text-muted, #777790);
  --_signup-font: var(--font, 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif);
  --_signup-radius: 10px;
  --_signup-transition: 300ms ease;

  position: relative;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  font-family: var(--_signup-font);
}

/* ============================================================
   Trigger button (initial CTA — hidden after click)
   ============================================================ */

.inline-signup-trigger {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 18px 44px;
  background: var(--_signup-accent);
  color: white;
  font-size: 18px;
  font-weight: 700;
  font-family: var(--_signup-font);
  border-radius: var(--_signup-radius);
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  width: auto;
}

.inline-signup-trigger:hover {
  background: var(--_signup-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(232, 74, 138, 0.3);
}

.inline-signup-trigger .arrow {
  transition: transform 0.2s ease;
}

.inline-signup-trigger:hover .arrow {
  transform: translateX(4px);
}

.inline-signup[data-active] .inline-signup-trigger {
  display: none;
}

/* ============================================================
   Form container (appears after trigger click)
   ============================================================ */

.inline-signup-form {
  display: none;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(232, 74, 138, 0.15);
  border-radius: 14px;
  padding: 28px 24px 20px;
  overflow: hidden;
}

.inline-signup[data-active] .inline-signup-form {
  display: block;
  animation: signupFadeIn var(--_signup-transition) forwards;
}

@keyframes signupFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   Steps — slide-left transition between steps
   ============================================================ */

.inline-signup-steps {
  position: relative;
}

.inline-signup-step {
  display: none;
}

.inline-signup-step[data-visible] {
  display: block;
  animation: signupSlideIn var(--_signup-transition) forwards;
}

.inline-signup-step[data-exiting] {
  animation: signupSlideOut var(--_signup-transition) forwards;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
}

@keyframes signupSlideIn {
  from { opacity: 0; transform: translateX(24px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes signupSlideOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(-24px); }
}

/* ============================================================
   Field row: input + button side by side (desktop),
   stacked (mobile)
   ============================================================ */

.inline-signup-field {
  display: flex;
  gap: 10px;
  align-items: stretch;
}

.inline-signup-field input,
.inline-signup-field select,
.inline-signup-field textarea {
  flex: 1;
  min-width: 0;
  padding: 14px 18px;
  background: rgba(10, 10, 20, 0.6);
  border: 1px solid var(--_signup-border);
  border-radius: 8px;
  color: var(--_signup-text);
  font-size: 15px;
  font-family: var(--_signup-font);
  outline: none;
  transition: border-color 0.2s ease;
  -webkit-appearance: none;
  appearance: none;
  min-height: 48px;
}

.inline-signup-field input:focus,
.inline-signup-field select:focus,
.inline-signup-field textarea:focus {
  border-color: var(--_signup-accent);
}

.inline-signup-field input::placeholder,
.inline-signup-field textarea::placeholder {
  color: var(--_signup-text-muted);
}

.inline-signup-field textarea {
  resize: none;
  min-height: 80px;
  line-height: 1.5;
}

.inline-signup-field select {
  color: var(--_signup-text-muted);
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23777790' 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;
}

.inline-signup-field select:has(option:checked:not([value=""])) {
  color: var(--_signup-text);
}

/* Textarea steps stack vertically */
.inline-signup-step[data-field="interest"] .inline-signup-field {
  flex-direction: column;
}
.inline-signup-step[data-field="interest"] .inline-signup-next {
  width: 100%;
}

/* Next/submit button */
.inline-signup-next {
  flex-shrink: 0;
  padding: 14px 24px;
  background: var(--_signup-accent);
  color: white;
  font-size: 15px;
  font-weight: 700;
  font-family: var(--_signup-font);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s ease;
  white-space: nowrap;
  min-height: 48px;
}

.inline-signup-next:hover {
  background: var(--_signup-accent-light);
}

.inline-signup-next:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================================
   Skip link (for optional steps)
   ============================================================ */

.inline-signup-skip {
  display: block;
  text-align: center;
  margin-top: 10px;
  font-size: 13px;
  color: var(--_signup-text-muted);
  cursor: pointer;
  background: none;
  border: none;
  font-family: var(--_signup-font);
  transition: color 0.2s ease;
}

.inline-signup-skip:hover {
  color: var(--_signup-text);
}

/* ============================================================
   Progress indicator
   ============================================================ */

.inline-signup-progress {
  display: block;
  text-align: center;
  margin-top: 14px;
  font-size: 12px;
  color: var(--_signup-text-muted);
  letter-spacing: 0.03em;
}

/* ============================================================
   Error state
   ============================================================ */

.inline-signup-error {
  display: none;
  font-size: 13px;
  color: var(--_signup-accent);
  margin-top: 8px;
}

.inline-signup-error[data-visible] {
  display: block;
  animation: signupFadeIn 200ms forwards;
}

/* ============================================================
   Success state
   ============================================================ */

.inline-signup-success {
  display: none;
  text-align: center;
  padding: 8px 0;
}

.inline-signup-success[data-visible] {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  animation: signupFadeIn var(--_signup-transition) forwards;
}

.inline-signup-check {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(78, 205, 196, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
}

.inline-signup-check svg {
  width: 24px;
  height: 24px;
  stroke: #4ECDC4;
  stroke-width: 3;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 30;
  stroke-dashoffset: 30;
  animation: signupCheckDraw 0.4s 0.15s ease forwards;
}

@keyframes signupCheckDraw {
  to { stroke-dashoffset: 0; }
}

.inline-signup-success-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--_signup-text, #F0F0F5);
}

.inline-signup-success-sub {
  font-size: 13px;
  color: var(--_signup-text-muted, #777790);
}

/* ============================================================
   Mobile (<640px): stack input + button vertically
   ============================================================ */

@media (max-width: 640px) {
  .inline-signup {
    max-width: 100%;
  }

  .inline-signup-form {
    padding: 24px 20px 16px;
  }

  .inline-signup-field {
    flex-direction: column;
  }

  .inline-signup-next {
    width: 100%;
    padding: 16px 24px;
  }

  .inline-signup-trigger {
    width: 100%;
    justify-content: center;
    padding: 16px 32px;
  }
}