/* SoftMacros Website — Public Site
   Dark theme matching UserPortal exactly (Bootstrap Icons + Inter font)
   ═══════════════════════════════════════════════════════════════════════ */

/* ═══════════════════════════════════════════════════════════════════════
   1. DESIGN TOKENS — same palette as UserPortal
   ═══════════════════════════════════════════════════════════════════════ */
:root {
  --sm-bg:            #0b2a1e;
  --sm-bg-alt:        #0d3324;
  --sm-bg-card:       #113d2a;
  --sm-accent:        #00e676;
  --sm-accent-hover:  #69ff98;
  --sm-accent-dark:   #00c853;
  --sm-text:          #f0fff4;
  --sm-text-muted:    #a7c4b2;
  --sm-text-faint:    #5e8c75;
  --sm-border:        #1e4d36;
  --sm-danger:        #f87171;
  --sm-danger-bg:     rgba(220, 53, 69, 0.1);
  --sm-danger-border: rgba(220, 53, 69, 0.3);
  --radius-sm:   0.375rem;
  --radius-md:   0.5rem;
  --radius-lg:   0.75rem;
  --radius-pill: 999px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --font-sans:   Inter, system-ui, -apple-system, sans-serif;
  --t:           0.15s ease;
}

/* ═══════════════════════════════════════════════════════════════════════
   2. BASE
   ═══════════════════════════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; }
html   { background: var(--sm-bg); scroll-behavior: smooth; }
body   { font-family: var(--font-sans); background: var(--sm-bg); color: var(--sm-text-muted); min-height: 100vh; margin: 0; }
h1, h2, h3, h4, h5, h6 { color: var(--sm-text); margin: 0; }
a      { color: var(--sm-accent); text-decoration: none; }
a:hover { color: var(--sm-accent-hover); }
ul, ol { margin: 0; padding: 0; list-style: none; }
p      { margin: 0; }
img    { display: block; max-width: 100%; }

.hidden   { display: none !important; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }

/* ═══════════════════════════════════════════════════════════════════════
   3. HEADER / NAVIGATION
   ═══════════════════════════════════════════════════════════════════════ */
.sm-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(11, 42, 30, 0.92);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--sm-border);
}
.sm-header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; max-width: 1100px; margin: 0 auto;
  padding: 0 1.5rem; gap: 1.5rem;
}
.sm-brand {
  display: flex; align-items: center; gap: 0.625rem;
  text-decoration: none; flex-shrink: 0;
}
.sm-brand img  { width: 32px; height: 32px; object-fit: contain; border-radius: 8px; }
.sm-brand-name { font-size: 1.0625rem; font-weight: 700; color: var(--sm-text); letter-spacing: -0.01em; }

/* Desktop nav */
.sm-nav-links  { display: flex; align-items: center; gap: 0.25rem; flex: 1; }
.sm-nav-link {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.4rem 0.75rem; font-size: 0.875rem; font-weight: 500;
  color: var(--sm-text-muted); border-radius: var(--radius-sm);
  text-decoration: none; transition: background var(--t), color var(--t); white-space: nowrap;
}
.sm-nav-link:hover  { background: rgba(0,230,118,0.08); color: var(--sm-text); }
.sm-nav-link.active { color: var(--sm-accent); background: rgba(0,230,118,0.10); }
.sm-nav-link--ext {
  color: var(--sm-accent); background: rgba(0,230,118,0.08);
  border: 1px solid rgba(0,230,118,0.20);
}
.sm-nav-link--ext:hover { background: rgba(0,230,118,0.15); color: var(--sm-accent-hover); }

/* Header right */
.sm-header-actions { display: flex; align-items: center; gap: 0.75rem; }

/* Hamburger (mobile) */
.sm-hamburger {
  display: none; align-items: center; justify-content: center;
  background: none; border: 1px solid var(--sm-border);
  border-radius: var(--radius-sm); color: var(--sm-text-muted);
  padding: 0.35rem 0.5rem; cursor: pointer; font-size: 1.25rem;
  line-height: 1; transition: background var(--t), color var(--t);
}
.sm-hamburger:hover { background: rgba(0,230,118,0.08); color: var(--sm-text); }

/* Mobile nav dropdown */
.sm-mobile-nav {
  background: var(--sm-bg-alt); border-bottom: 1px solid var(--sm-border);
  padding: 0.75rem 1.5rem; display: flex; flex-direction: column; gap: 0.25rem;
}
.sm-mobile-link {
  display: block; padding: 0.625rem 0.75rem; font-size: 0.9375rem; font-weight: 500;
  color: var(--sm-text-muted); border-radius: var(--radius-sm);
  text-decoration: none; transition: background var(--t), color var(--t);
}
.sm-mobile-link:hover  { background: rgba(0,230,118,0.08); color: var(--sm-text); }
.sm-mobile-link.active { color: var(--sm-accent); }

/* ═══════════════════════════════════════════════════════════════════════
   4. LANG SWITCHER — identical to UserPortal
   ═══════════════════════════════════════════════════════════════════════ */
.lang-switcher { position: relative; }
.lang-current {
  padding: 0.4rem 0.75rem; font-size: 0.8125rem; font-weight: 700;
  background: transparent; color: var(--sm-text-muted);
  border: 1px solid var(--sm-border); border-radius: var(--radius-sm);
  cursor: pointer; transition: background var(--t), color var(--t);
}
.lang-current:hover { background: rgba(30,77,54,0.5); color: var(--sm-text); }
.lang-menu {
  position: absolute; top: calc(100% + 4px); right: 0;
  background: var(--sm-bg-alt); border: 1px solid var(--sm-border);
  border-radius: var(--radius-md); min-width: 120px; z-index: 200;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  display: flex; flex-direction: column; overflow: hidden;
}
.lang-menu button {
  padding: 0.5rem 0.875rem; background: none; border: none;
  cursor: pointer; color: var(--sm-text-muted); font-size: 0.8125rem;
  font-family: var(--font-sans); text-align: left;
  transition: background 0.12s, color 0.12s;
}
.lang-menu button:hover { background: rgba(0,230,118,0.08); color: var(--sm-text); }

/* ═══════════════════════════════════════════════════════════════════════
   5. HERO
   ═══════════════════════════════════════════════════════════════════════ */
.hero {
  padding: 6rem 0 5rem; text-align: center;
  background: var(--sm-bg);
  background-image: radial-gradient(ellipse 80% 55% at 50% 100%, rgba(0,230,118,0.10) 0%, transparent 70%);
}
.hero-badge {
  display: inline-block; background: rgba(0,230,118,0.10); color: var(--sm-accent);
  border: 1px solid rgba(0,230,118,0.25); border-radius: var(--radius-pill);
  padding: 0.3rem 1rem; font-size: 0.8125rem; font-weight: 600;
  margin-bottom: 1.75rem; letter-spacing: .3px;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 800; color: var(--sm-text);
  line-height: 1.15; margin-bottom: 1.25rem;
  max-width: 820px; margin-left: auto; margin-right: auto;
}
.hero-subtitle {
  font-size: 1.0625rem; color: var(--sm-text-faint);
  max-width: 660px; margin: 0 auto 2.5rem; line-height: 1.7;
}
.hero-actions {
  display: flex; align-items: center; justify-content: center;
  gap: 1rem; flex-wrap: wrap;
}
.btn-cta {
  display: inline-flex; align-items: center;
  padding: 0.875rem 2rem; background: var(--sm-accent); color: #0b2a1e;
  border-radius: var(--radius-md); font-size: 1rem; font-weight: 700;
  text-decoration: none; border: none; cursor: pointer; font-family: var(--font-sans);
  transition: background var(--t), transform var(--t), box-shadow var(--t);
  box-shadow: 0 0 24px rgba(0,230,118,0.30);
}
.btn-cta:hover {
  background: var(--sm-accent-hover); color: #0b2a1e;
  transform: translateY(-2px); box-shadow: 0 0 32px rgba(0,230,118,0.45);
}
.btn-secondary {
  display: inline-flex; align-items: center;
  padding: 0.875rem 1.5rem; background: transparent;
  color: var(--sm-text-muted); border: 1.5px solid var(--sm-border);
  border-radius: var(--radius-md); font-size: 0.9375rem; font-weight: 500;
  text-decoration: none; transition: border-color var(--t), color var(--t);
}
.btn-secondary:hover { border-color: var(--sm-accent); color: var(--sm-accent); }

/* ═══════════════════════════════════════════════════════════════════════
   6. SECTIONS — shared
   ═══════════════════════════════════════════════════════════════════════ */
.section     { padding: 5rem 0; }
.section--alt {
  background: var(--sm-bg-alt);
  border-top: 1px solid var(--sm-border);
  border-bottom: 1px solid var(--sm-border);
}
.section-badge {
  display: inline-block; background: rgba(0,230,118,0.10); color: var(--sm-accent);
  border: 1px solid rgba(0,230,118,0.25); border-radius: var(--radius-pill);
  padding: 0.25rem 0.875rem; font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .5px; margin-bottom: 1rem;
}
.section-title    { font-size: 1.875rem; font-weight: 700; color: var(--sm-text); margin-bottom: 1rem; }
.section-subtitle { font-size: 1rem; color: var(--sm-text-faint); max-width: 640px; line-height: 1.7; margin-bottom: 3rem; }
.section-center   { text-align: center; }
.section-center .section-subtitle { margin-left: auto; margin-right: auto; }

/* ═══════════════════════════════════════════════════════════════════════
   7. FEATURES GRID
   ═══════════════════════════════════════════════════════════════════════ */
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem;
}
.feature-card {
  background: var(--sm-bg-card); border: 1px solid var(--sm-border);
  border-radius: var(--radius-lg); padding: 1.75rem 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover { border-color: rgba(0,230,118,0.35); transform: translateY(-3px); }
.feature-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: rgba(0,230,118,0.10); border: 1px solid rgba(0,230,118,0.20);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.375rem; color: var(--sm-accent); margin-bottom: 1.25rem;
}
.feature-card h3 { font-size: 1rem; font-weight: 700; color: var(--sm-text); margin-bottom: 0.625rem; }
.feature-card p  { font-size: 0.875rem; color: var(--sm-text-faint); line-height: 1.65; }

/* ═══════════════════════════════════════════════════════════════════════
   8. PRODUCT SECTIONS
   ═══════════════════════════════════════════════════════════════════════ */
.product-layout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: start;
}
.product-layout.reverse { direction: rtl; }
.product-layout.reverse > * { direction: ltr; }

.product-badge {
  display: inline-block; background: rgba(0,230,118,0.10); color: var(--sm-accent);
  border: 1px solid rgba(0,230,118,0.25); border-radius: var(--radius-pill);
  padding: 0.25rem 0.875rem; font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .5px; margin-bottom: 1rem;
}
.product-title    { font-size: 2rem; font-weight: 800; color: var(--sm-text); line-height: 1.2; margin-bottom: 0.625rem; }
.product-subtitle { font-size: 1.0625rem; font-weight: 600; color: var(--sm-accent); margin-bottom: 1.25rem; }
.product-desc     { font-size: 0.9375rem; color: var(--sm-text-muted); line-height: 1.7; margin-bottom: 0.875rem; }
.product-note     { font-size: 0.8125rem; color: var(--sm-text-faint); font-style: italic; margin-top: 1rem; }
.product-cta {
  display: inline-flex; align-items: center; gap: 0.4rem;
  margin-top: 1.75rem; padding: 0.75rem 1.5rem;
  background: var(--sm-accent); color: #0b2a1e;
  border-radius: var(--radius-md); font-size: 0.9375rem; font-weight: 700;
  text-decoration: none; transition: background var(--t), transform var(--t);
}
.product-cta:hover { background: var(--sm-accent-hover); color: #0b2a1e; transform: translateY(-1px); }

/* Product info card (right column) */
.product-card {
  background: var(--sm-bg-card); border: 1px solid var(--sm-border);
  border-radius: var(--radius-lg); padding: 1.75rem;
  display: flex; flex-direction: column; gap: 1.25rem;
}
.product-card-section-title {
  font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .6px; color: var(--sm-text-faint); margin-bottom: 0.75rem;
}
.product-list { display: flex; flex-direction: column; gap: 0.5rem; }
.product-list-item {
  display: flex; align-items: center; gap: 0.625rem;
  font-size: 0.875rem; color: var(--sm-text-muted);
  padding: 0.5rem 0.75rem; border-radius: var(--radius-sm);
  background: var(--sm-bg-alt); border: 1px solid var(--sm-border);
}
.product-list-item::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--sm-accent); flex-shrink: 0;
}
.product-card-divider { border: none; border-top: 1px solid var(--sm-border); margin: 0; }

/* ═══════════════════════════════════════════════════════════════════════
   9. WHY SECTION
   ═══════════════════════════════════════════════════════════════════════ */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.why-item {
  display: flex; align-items: flex-start; gap: 0.875rem;
  padding: 1.25rem; background: var(--sm-bg-card);
  border: 1px solid var(--sm-border); border-radius: var(--radius-lg);
  transition: border-color var(--t), transform var(--t);
}
.why-item:hover { border-color: rgba(0,230,118,0.3); transform: translateY(-2px); }
.why-icon {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(0,230,118,0.12); color: var(--sm-accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0;
}
.why-text { font-size: 0.9rem; color: var(--sm-text-muted); line-height: 1.5; font-weight: 500; }

/* ═══════════════════════════════════════════════════════════════════════
   10. CTA SECTION
   ═══════════════════════════════════════════════════════════════════════ */
.cta-section {
  padding: 5rem 0; background: var(--sm-bg-alt);
  border-top: 1px solid var(--sm-border); text-align: center;
}
.cta-section h2   { font-size: 2rem; font-weight: 700; margin-bottom: 1rem; }
.cta-section p    { font-size: 1rem; color: var(--sm-text-faint); max-width: 520px; margin: 0 auto 2rem; line-height: 1.7; }

/* ═══════════════════════════════════════════════════════════════════════
   11. FOOTER
   ═══════════════════════════════════════════════════════════════════════ */
.sm-footer { padding: 2rem 0; border-top: 1px solid var(--sm-border); background: var(--sm-bg); }
.sm-footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem; font-size: 0.8125rem; color: var(--sm-text-faint);
}
.sm-footer-brand {
  display: flex; align-items: center; gap: 0.5rem;
  text-decoration: none; color: var(--sm-text-faint);
}
.sm-footer-brand img { width: 20px; height: 20px; object-fit: contain; opacity: 0.6; }
.sm-footer-links { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.sm-footer-links a { color: var(--sm-text-faint); text-decoration: none; transition: color var(--t); }
.sm-footer-links a:hover { color: var(--sm-text); }

/* ═══════════════════════════════════════════════════════════════════════
   12. PAGE HERO (inner pages)
   ═══════════════════════════════════════════════════════════════════════ */
.page-hero {
  padding: 4rem 0 3.5rem; background: var(--sm-bg);
  background-image: radial-gradient(ellipse 80% 55% at 50% 100%, rgba(0,230,118,0.08) 0%, transparent 70%);
  border-bottom: 1px solid var(--sm-border);
}
.page-hero-badge {
  display: inline-block; background: rgba(0,230,118,0.10); color: var(--sm-accent);
  border: 1px solid rgba(0,230,118,0.25); border-radius: var(--radius-pill);
  padding: 0.25rem 0.875rem; font-size: 0.8125rem; font-weight: 600; margin-bottom: 1rem;
}
.page-hero-title    { font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 800; color: var(--sm-text); line-height: 1.2; margin-bottom: 1rem; }
.page-hero-subtitle { font-size: 1rem; color: var(--sm-text-faint); max-width: 600px; line-height: 1.7; }

/* ═══════════════════════════════════════════════════════════════════════
   13. ABOUT PAGE
   ═══════════════════════════════════════════════════════════════════════ */
.about-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; margin-top: 2rem; }
.value-card {
  background: var(--sm-bg-card); border: 1px solid var(--sm-border);
  border-radius: var(--radius-lg); padding: 1.5rem;
  transition: border-color var(--t), transform var(--t);
}
.value-card:hover { border-color: rgba(0,230,118,0.3); transform: translateY(-2px); }
.value-icon { font-size: 1.5rem; color: var(--sm-accent); margin-bottom: 0.75rem; }
.value-card h3 { font-size: 0.9375rem; font-weight: 700; color: var(--sm-text); margin-bottom: 0.5rem; }
.value-card p  { font-size: 0.875rem; color: var(--sm-text-faint); line-height: 1.6; }

.about-body { font-size: 0.9375rem; color: var(--sm-text-muted); line-height: 1.8; }
.about-body p + p { margin-top: 1rem; }
.about-body strong { color: var(--sm-text); font-weight: 600; }

/* ═══════════════════════════════════════════════════════════════════════
   14. CONTACT PAGE
   ═══════════════════════════════════════════════════════════════════════ */
.contact-layout { display: grid; grid-template-columns: 1fr 1.6fr; gap: 3rem; align-items: start; }

.contact-info-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 0.75rem; }
.contact-info-desc  { font-size: 0.9375rem; color: var(--sm-text-faint); line-height: 1.7; margin-bottom: 2rem; }
.contact-detail {
  display: flex; align-items: flex-start; gap: 0.875rem; margin-bottom: 1rem;
}
.contact-detail-icon {
  width: 36px; height: 36px; border-radius: 8px; flex-shrink: 0;
  background: rgba(0,230,118,0.10); border: 1px solid rgba(0,230,118,0.20);
  display: flex; align-items: center; justify-content: center;
  color: var(--sm-accent); font-size: 1rem;
}
.contact-detail-label { font-size: 0.75rem; color: var(--sm-text-faint); text-transform: uppercase; letter-spacing: .4px; font-weight: 600; margin-bottom: 2px; }
.contact-detail-value { font-size: 0.875rem; color: var(--sm-text-muted); }
.contact-detail-value a { color: var(--sm-accent); }

.contact-form-card {
  background: var(--sm-bg-card); border: 1px solid var(--sm-border);
  border-radius: var(--radius-lg); padding: 2rem;
}
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block; font-size: 0.8125rem; font-weight: 600;
  color: var(--sm-text-faint); text-transform: uppercase;
  letter-spacing: .4px; margin-bottom: 0.5rem;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; background: var(--sm-bg-alt);
  border: 1px solid var(--sm-border); border-radius: var(--radius-sm);
  color: var(--sm-text); padding: 0.625rem 0.875rem;
  font-size: 0.875rem; font-family: var(--font-sans);
  transition: border-color var(--t), box-shadow var(--t); outline: none;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--sm-accent); box-shadow: 0 0 0 3px rgba(0,230,118,0.10); }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--sm-text-faint); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-alert {
  display: none; padding: 0.75rem 1rem; border-radius: var(--radius-sm);
  font-size: 0.875rem; margin-bottom: 1rem;
}
.form-alert.success {
  background: rgba(0,230,118,0.08); border: 1px solid rgba(0,230,118,0.25); color: var(--sm-accent);
}
.form-alert.error {
  background: var(--sm-danger-bg); border: 1px solid var(--sm-danger-border); color: var(--sm-danger);
}

/* ═══════════════════════════════════════════════════════════════════════
   15. ANIMATIONS
   ═══════════════════════════════════════════════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.5s ease-out; }

/* ═══════════════════════════════════════════════════════════════════════
   16. RESPONSIVE
   ═══════════════════════════════════════════════════════════════════════ */
@media (max-width: 991px) {
  .sm-nav-links        { display: none; }
  .sm-hamburger        { display: flex; }
  .features-grid       { grid-template-columns: repeat(2, 1fr); }
  .product-layout      { grid-template-columns: 1fr; gap: 2rem; }
  .product-layout.reverse { direction: ltr; }
  .why-grid            { grid-template-columns: repeat(2, 1fr); }
  .contact-layout      { grid-template-columns: 1fr; }
  .about-grid          { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .sm-brand-name  { display: none; }
  .hero           { padding: 4rem 0 3rem; }
  .hero-title     { font-size: 1.875rem; }
  .features-grid  { grid-template-columns: 1fr; }
  .why-grid       { grid-template-columns: 1fr; }
  .form-row       { grid-template-columns: 1fr; }
  .sm-footer-inner { flex-direction: column; align-items: flex-start; }
}

/* ═══════════════════════════════════════════════════════════════════════
   17. CHAT WIDGET (floating panel + FAB)
   ═══════════════════════════════════════════════════════════════════════ */
#sm-chat-panel {
  position: fixed; bottom: 88px; right: 24px;
  width: 360px; height: 480px; max-height: calc(100dvh - 110px);
  z-index: 1048; display: flex; flex-direction: column;
  background: var(--sm-bg-card); border: 1px solid var(--sm-border);
  border-radius: 16px; box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  overflow: hidden;
  transform: translateY(16px) scale(0.97); opacity: 0; pointer-events: none;
  transition: transform .2s ease, opacity .2s ease;
}
#sm-chat-panel.open { transform: translateY(0) scale(1); opacity: 1; pointer-events: auto; }

#sm-chat-panel .sc-header {
  display: flex; align-items: center; gap: 8px; flex-shrink: 0;
  padding: 12px 16px; background: var(--sm-bg-alt); border-bottom: 1px solid var(--sm-border);
}
#sm-chat-panel .sc-title {
  flex: 1; font-weight: 600; font-size: 0.9375rem;
  color: var(--sm-text); margin: 0; min-width: 0;
}
.sc-clear-btn {
  padding: 3px 8px; font-size: 0.75rem; font-weight: 600;
  background: rgba(0,230,118,0.10); color: var(--sm-accent);
  border: 1px solid rgba(0,230,118,0.25); border-radius: var(--radius-sm);
  cursor: pointer; transition: background var(--t); font-family: var(--font-sans);
}
.sc-clear-btn:hover { background: rgba(0,230,118,0.20); }
.sc-close {
  background: none; border: none; color: var(--sm-text-faint);
  font-size: 1rem; cursor: pointer; padding: 2px 6px; line-height: 1;
  border-radius: var(--radius-sm); transition: color var(--t);
}
.sc-close:hover { color: var(--sm-text); }

.sc-messages {
  flex: 1; overflow-y: auto; overflow-x: hidden;
  display: flex; flex-direction: column; gap: 12px; padding: 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--sm-border) transparent;
}
.sc-messages::-webkit-scrollbar        { width: 5px; }
.sc-messages::-webkit-scrollbar-track  { background: transparent; }
.sc-messages::-webkit-scrollbar-thumb  {
  background: var(--sm-border); border-radius: var(--radius-pill);
  transition: background var(--t);
}
.sc-messages::-webkit-scrollbar-thumb:hover { background: var(--sm-text-faint); }
.chat-msg { display: flex; flex-direction: column; max-width: 82%; animation: fadeUp .2s ease-out; }
.chat-msg.user      { align-self: flex-end;  align-items: flex-end; }
.chat-msg.assistant { align-self: flex-start; align-items: flex-start; }
.chat-bubble {
  padding: 10px 14px; border-radius: 14px;
  font-size: 0.875rem; line-height: 1.5;
  word-break: break-word; white-space: pre-wrap;
}
.chat-msg.user .chat-bubble      { background: var(--sm-accent); color: #0b2a1e; border-bottom-right-radius: 4px; }
.chat-msg.assistant .chat-bubble { background: var(--sm-bg-alt); color: var(--sm-text); border: 1px solid var(--sm-border); border-bottom-left-radius: 4px; }
.chat-bubble.thinking            { color: var(--sm-text-faint); font-style: italic; }

.chat-footer {
  display: flex; gap: 8px; padding: 12px 16px; flex-shrink: 0;
  border-top: 1px solid var(--sm-border); background: var(--sm-bg-card);
}
.chat-footer input {
  flex: 1; background: var(--sm-bg-alt); border: 1px solid var(--sm-border);
  border-radius: var(--radius-md); padding: 9px 13px;
  color: var(--sm-text); font-size: 0.875rem;
  font-family: var(--font-sans); outline: none;
  transition: border-color var(--t);
}
.chat-footer input:focus  { border-color: var(--sm-accent); }
.btn-send {
  padding: 8px 16px; background: var(--sm-accent); color: #0b2a1e;
  border: none; border-radius: var(--radius-md); font-weight: 700;
  cursor: pointer; flex-shrink: 0; transition: background var(--t);
}
.btn-send:hover    { background: var(--sm-accent-hover); }
.btn-send:disabled { background: var(--sm-border); color: var(--sm-text-faint); cursor: not-allowed; }

#sm-chat-fab {
  position: fixed; bottom: 24px; right: 24px; z-index: 1049;
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--sm-accent); border: none; color: #0b2a1e;
  font-size: 1.4rem; cursor: pointer;
  box-shadow: 0 4px 16px rgba(0,230,118,0.35);
  display: flex; align-items: center; justify-content: center;
  transition: transform var(--t), box-shadow var(--t);
}
#sm-chat-fab:hover { transform: scale(1.08); box-shadow: 0 6px 20px rgba(0,230,118,0.5); }

@media (max-width: 540px) {
  #sm-chat-panel { width: calc(100vw - 16px); right: 8px; bottom: 84px; height: calc(100dvh - 104px); max-height: calc(100dvh - 104px); border-radius: 12px; }
  #sm-chat-fab   { right: 8px; bottom: 20px; }
}