/* ========================================
   Ask a Designer — Spiral Interior Spaces
   Fully Interactive — Complete Stylesheet
   ======================================== */

/* ── Design tokens ── */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Switzer', 'Helvetica Neue', sans-serif;

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1.25rem;
  --radius-bubble: 1.25rem;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 640px;
  --content-default: 880px;
  --content-wide: 1200px;

  --dark: #1A1A1A;
  --dark-surface: #222222;
  --taupe: #BEB5A8;
  --taupe-light: #CBC3B7;
  --cream: #F0EDE8;
  --cream-light: #FAF8F5;
  --crimson: #8B0000;
  --crimson-hover: #A50000;
  --white: #FFFFFF;
  --text-dark: #2B2622;
  --text-body: #444039;
  --text-muted: #7A7068;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.07);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.09);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.14);

  /* chat-input-bar height — used for body padding */
  --input-bar-height: 76px;
}

/* ========================================
   Global reset / body
   ======================================== */
*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: var(--font-body);
  color: var(--text-body);
  background: var(--cream-light);
  padding-top: 80px;
  /* extra bottom padding for fixed input bar */
  padding-bottom: var(--input-bar-height);
}

@media (max-width: 900px) {
  body { padding-top: 64px; }
}

/* ========================================
   Social Sidebar
   ======================================== */
.social-sidebar {
  position: fixed;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  background: var(--dark);
  padding: var(--space-3) var(--space-2);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.social-sidebar a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.social-sidebar a:hover { color: var(--white); }
@media (max-width: 768px) { .social-sidebar { display: none; } }

/* ========================================
   Header / Navigation
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--dark);
  padding: 0 var(--space-6) 0 var(--space-4);
  height: 80px;
}
.header__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--white);
  margin-right: var(--space-8);
  flex-shrink: 0;
}
.header__logo-img {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  object-fit: cover;
}
@media (min-width: 1024px) {
  .header__logo-img { width: 48px; height: 48px; }
}
.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}
.header__link {
  font-size: var(--text-xs);
  text-decoration: none;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  transition: color var(--transition-interactive);
}
.header__link:hover { color: var(--white); }
.header__link.is-active {
  color: var(--white);
  border-bottom: 1px solid var(--taupe);
  padding-bottom: 2px;
}
.header__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-5);
  background: var(--white);
  color: var(--dark);
  text-decoration: none;
  border-radius: 100px;
  transition: all var(--transition-interactive);
}
.header__cta:hover { background: var(--cream); }

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  cursor: pointer;
  padding: var(--space-2);
  line-height: 1;
}
@media (max-width: 900px) {
  .header { padding: 0 var(--space-4); height: 64px; }
  .mobile-toggle { display: flex; align-items: center; }
  .header__nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-20) var(--space-8);
    gap: var(--space-6);
    background: var(--dark);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 200;
    overflow-y: auto;
  }
  .header__nav.is-open { transform: translateX(0); }
  .header__link { font-size: var(--text-sm); color: rgba(255,255,255,0.8); }
  .header__cta { margin-top: var(--space-4); }
}

/* ========================================
   Hero
   ======================================== */
.ask-hero {
  background: var(--dark);
  padding: var(--space-20) var(--space-8) var(--space-16);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.ask-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 120%, rgba(139,0,0,0.18) 0%, transparent 70%);
  pointer-events: none;
}
.ask-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--content-narrow);
  margin: 0 auto;
}
.ask-hero__eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--taupe);
  margin-bottom: var(--space-4);
}
.ask-hero__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--white);
  margin-bottom: var(--space-6);
  letter-spacing: -0.01em;
  line-height: 1.1;
}
.ask-hero__subtitle {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.65);
  line-height: 1.72;
  max-width: 54ch;
  margin: 0 auto;
}
.ask-hero__logo {
  margin: var(--space-4) auto 0;
  display: flex;
  justify-content: center;
}
.ask-hero__logo img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(255,255,255,0.15);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

/* ========================================
   Username Gate
   ======================================== */
.username-gate {
  background: var(--cream);
  border-bottom: 1px solid rgba(190,181,168,0.4);
  padding: var(--space-12) var(--space-6);
}
.username-gate__inner {
  max-width: 520px;
  margin: 0 auto;
}
.username-gate__card {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: var(--space-10) var(--space-10);
  text-align: center;
}
@media (max-width: 640px) {
  .username-gate__card { padding: var(--space-8) var(--space-6); }
}
.username-gate__icon {
  width: 56px;
  height: 56px;
  background: var(--cream);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  color: var(--crimson);
}
.username-gate__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--text-dark);
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}
.username-gate__desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-8);
  max-width: 36ch;
  margin-left: auto;
  margin-right: auto;
}
.username-gate__form {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
@media (max-width: 480px) {
  .username-gate__form { flex-direction: column; }
}
.username-gate__input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--cream);
  border-radius: var(--radius-md);
  background: var(--cream-light);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--text-dark);
  outline: none;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.username-gate__input:focus {
  border-color: var(--taupe);
  box-shadow: 0 0 0 3px rgba(190,181,168,0.25);
}
.username-gate__input.is-error {
  border-color: var(--crimson);
  box-shadow: 0 0 0 3px rgba(139,0,0,0.12);
}
.username-gate__btn {
  padding: var(--space-3) var(--space-8);
  background: var(--crimson);
  color: var(--white);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: background var(--transition-interactive), transform var(--transition-interactive);
  white-space: nowrap;
}
.username-gate__btn:hover { background: var(--crimson-hover); transform: translateY(-1px); }
.username-gate__btn:active { transform: translateY(0); }
.username-gate__hint {
  font-size: 0.7rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ========================================
   Welcome Bar
   ======================================== */
.welcome-bar {
  background: var(--dark);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  padding: var(--space-3) var(--space-6);
  position: sticky;
  top: 80px;
  z-index: 80;
}
@media (max-width: 900px) {
  .welcome-bar { top: 64px; }
}
.welcome-bar__inner {
  max-width: var(--content-default);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.welcome-bar__text {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.04em;
}
.welcome-bar__text strong {
  color: var(--taupe-light);
  font-weight: 600;
}
.welcome-bar__change {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.45);
  background: none;
  border: none;
  cursor: pointer;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  transition: color var(--transition-interactive);
  font-family: var(--font-body);
}
.welcome-bar__change:hover { color: rgba(255,255,255,0.85); }

/* ========================================
   Chat Feed Section
   ======================================== */
.chat-section {
  background: var(--cream-light);
  padding: var(--space-12) var(--space-6) var(--space-16);
}
.chat-section__header {
  max-width: var(--content-default);
  margin: 0 auto var(--space-10);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid rgba(190,181,168,0.35);
}
.chat-section__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--text-dark);
  margin-bottom: var(--space-1);
}
.chat-section__subtitle {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.5;
}
.chat-section__count {
  font-size: var(--text-xs);
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  white-space: nowrap;
  background: var(--cream);
  border: 1px solid rgba(190,181,168,0.5);
  border-radius: 100px;
  padding: var(--space-2) var(--space-4);
}

.chat-feed {
  max-width: var(--content-default);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* ── Month separator ── */
.chat-month-separator {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-10) 0 var(--space-6);
}
.chat-month-separator::before,
.chat-month-separator::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--taupe);
  opacity: 0.35;
}
.chat-month-separator__label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ── QA Entry ── */
.qa-entry {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6) 0;
  border-bottom: 1px solid rgba(190,181,168,0.2);
  transition: background 0.4s ease;
}
.qa-entry:last-child { border-bottom: none; }

.qa-entry--new {
  animation: newEntryFlash 1.5s ease forwards;
}
@keyframes newEntryFlash {
  0% { background: rgba(139,0,0,0.05); border-radius: var(--radius-lg); }
  100% { background: transparent; }
}

/* ── User bubble (right-aligned) ── */
.bubble-user {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}
.bubble-user__meta {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
  letter-spacing: 0.03em;
}
.bubble-user__name {
  color: var(--crimson);
  font-weight: 600;
}
.bubble-user__content {
  max-width: 68%;
  background: var(--white);
  border: 1px solid rgba(190,181,168,0.3);
  border-radius: var(--radius-bubble) var(--radius-bubble) var(--radius-sm) var(--radius-bubble);
  padding: var(--space-4) var(--space-5);
  color: var(--text-dark);
  font-size: var(--text-sm);
  line-height: 1.68;
  box-shadow: var(--shadow-sm);
}
.bubble-user__content p { margin: 0; }
.bubble-user__content p + p { margin-top: var(--space-3); }
.bubble-user__content p:last-child { margin-bottom: 0; }

.bubble-photo-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(0,0,0,0.05);
  border-radius: var(--radius-md);
  padding: var(--space-1) var(--space-3);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: var(--space-3);
}

.bubble-awaiting {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(139,0,0,0.07);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--crimson);
  margin-top: var(--space-3);
  letter-spacing: 0.02em;
}

/* ── Jacqueline bubble (left-aligned) ── */
.bubble-jacqueline {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.bubble-jacqueline__meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.bubble-jacqueline__avatar {
  width: 30px;
  height: 30px;
  background: var(--crimson);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--white);
  font-weight: 400;
  flex-shrink: 0;
  letter-spacing: 0;
}
.bubble-jacqueline__name {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dark);
}
.bubble-jacqueline__date {
  font-size: 0.67rem;
  color: var(--text-muted);
}
.bubble-jacqueline__content {
  max-width: 72%;
  background: var(--white);
  border-radius: var(--radius-bubble) var(--radius-bubble) var(--radius-bubble) var(--radius-sm);
  border-left: 3px solid var(--taupe);
  padding: var(--space-5) var(--space-6);
  color: var(--text-body);
  font-size: var(--text-sm);
  line-height: 1.75;
  box-shadow: var(--shadow-sm);
}
.bubble-jacqueline__content p { margin: 0; }
.bubble-jacqueline__content p + p { margin-top: var(--space-3); }
.bubble-jacqueline__content strong { color: var(--text-dark); }

.bubble-sketch-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--cream);
  border: 1px solid rgba(190,181,168,0.6);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: var(--space-4);
}

@media (max-width: 640px) {
  .bubble-user__content,
  .bubble-jacqueline__content {
    max-width: 92%;
  }
  .bubble-jacqueline__content { padding: var(--space-4) var(--space-4); }
}

/* ========================================
   Fixed Chat Input Bar
   ======================================== */
.chat-input-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 150;
  background: var(--dark);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: var(--space-3) var(--space-4);
  box-shadow: 0 -4px 24px rgba(0,0,0,0.2);
}
.chat-input-bar__inner {
  max-width: var(--content-default);
  margin: 0 auto;
}
.chat-input-bar__field {
  display: flex;
  align-items: flex-end;
  gap: var(--space-2);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-bubble);
  padding: var(--space-2) var(--space-2) var(--space-2) var(--space-3);
  transition: border-color var(--transition-interactive);
}
.chat-input-bar__field:focus-within {
  border-color: rgba(190,181,168,0.4);
  background: rgba(255,255,255,0.08);
}
.chat-input-bar__photo-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  background: none;
  border: none;
  color: rgba(255,255,255,0.45);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: color var(--transition-interactive), background var(--transition-interactive);
  padding: 0;
}
.chat-input-bar__photo-btn:hover { color: rgba(255,255,255,0.8); background: rgba(255,255,255,0.06); }
.chat-input-bar__photo-btn.has-file { color: var(--taupe-light); }
.chat-input-bar__text-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.chat-input-bar__textarea {
  width: 100%;
  background: none;
  border: none;
  outline: none;
  resize: none;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.9);
  line-height: 1.5;
  padding: var(--space-2) 0;
  min-height: 36px;
  max-height: 140px;
  overflow-y: auto;
}
.chat-input-bar__textarea::placeholder { color: rgba(255,255,255,0.35); }
.chat-input-bar__textarea.is-error { animation: shakeInput 0.4s ease; }
@keyframes shakeInput {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}
.chat-input-bar__photo-name {
  font-size: 0.68rem;
  color: var(--taupe);
  padding-bottom: var(--space-1);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.chat-input-bar__send {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  background: var(--crimson);
  border: none;
  border-radius: 50%;
  color: var(--white);
  cursor: pointer;
  transition: background var(--transition-interactive), transform var(--transition-interactive);
  padding: 0;
}
.chat-input-bar__send:hover { background: var(--crimson-hover); transform: scale(1.06); }
.chat-input-bar__send:active { transform: scale(0.96); }

/* ========================================
   Footer
   ======================================== */
.footer {
  background: var(--dark);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: var(--space-8) var(--space-6);
}
.footer__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
}
.footer__brand {
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer__logo {
  width: 72px;
  height: 72px;
  border-radius: 12px;
  object-fit: cover;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}
.footer__logo:hover { opacity: 1; }
.footer__nav { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-3) var(--space-5); }
.footer__nav a { color: rgba(255,255,255,0.5); text-decoration: none; font-size: var(--text-xs); font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; transition: color 0.3s ease; }
.footer__nav a:hover { color: var(--white); }
.footer__social { display: flex; gap: var(--space-5); align-items: center; }
.footer__social a { color: rgba(255,255,255,0.45); transition: color 0.3s ease; }
.footer__social a:hover { color: var(--white); }
.footer__contact { display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; justify-content: center; }
.footer__contact a { color: rgba(255,255,255,0.5); text-decoration: none; font-size: var(--text-xs); transition: color 0.3s ease; }
.footer__contact a:hover { color: var(--white); }
.footer__divider { color: rgba(255,255,255,0.25); font-size: var(--text-xs); }
.footer__legal { display: flex; align-items: center; gap: var(--space-2); }
.footer__legal a { color: rgba(255,255,255,0.35); text-decoration: none; font-size: 11px; transition: color 0.3s ease; }
.footer__legal a:hover { color: rgba(255,255,255,0.7); }
.footer__copy {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.38);
  text-align: center;
}
.footer__links {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
  justify-content: center;
}
.footer__links a {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.38);
  text-decoration: none;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color var(--transition-interactive);
}
.footer__links a:hover { color: var(--white); }

/* ========================================
   Scroll Reveal
   ======================================== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }