/* ─── EvoLab Design System ───────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,400&display=swap');

:root {
  --charcoal:     #3c3c3b;
  --charcoal-2:   #2e2e2d;
  --charcoal-3:   #252524;
  --gray:         #575756;
  --gray-light:   #8a8a89;
  --gray-lighter: #c4c4c3;
  --white:        #ffffff;
  --blue:         #1E6FFF;
  --blue-dark:    #1558d6;
  --blue-glow:    rgba(30, 111, 255, 0.25);
  --blue-dim:     rgba(30, 111, 255, 0.12);
  --success:      #22c55e;
  --warning:      #f59e0b;
  --danger:       #ef4444;

  --card-bg:      #2a2a29;
  --card-border:  rgba(255,255,255,0.07);
  --card-hover-border: rgba(30, 111, 255, 0.5);

  --font:    'Montserrat', sans-serif;
  --radius:  12px;
  --radius-lg: 20px;
  --trans:   0.25s cubic-bezier(0.4,0,0.2,1);
}

/* ─── Reset ──────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font);
  background: var(--charcoal-3);
  color: var(--white);
  min-height: 100vh;
  line-height: 1.6;
}

a { color: var(--blue); text-decoration: none; }
a:hover { color: #fff; }

/* ─── Scrollbar ──────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--charcoal-3); }
::-webkit-scrollbar-thumb { background: var(--gray); border-radius: 3px; }

/* ─── Typography ─────────────────────────────────────────────────────────────── */
h1 { font-size: 2rem; font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.01em; }
h3 { font-size: 1.125rem; font-weight: 600; }
p  { color: var(--gray-light); }

/* ─── Logo SVG ───────────────────────────────────────────────────────────────── */
.logo-mark svg { fill: var(--white); }
.logo-full svg path, .logo-full svg polygon, .logo-full svg rect { fill: var(--white); }

/* ─── Header ─────────────────────────────────────────────────────────────────── */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  background: var(--charcoal);
  border-bottom: 1px solid var(--card-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.header-logo { display: flex; align-items: center; gap: 0.75rem; }
.header-logo svg { height: 28px; width: auto; }

.header-nav { display: flex; align-items: center; gap: 1.5rem; }
.header-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-light);
  transition: color var(--trans);
}
.header-nav a:hover, .header-nav a.active { color: var(--white); }

.header-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--gray-light);
}

/* ─── Buttons ────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--trans);
  white-space: nowrap;
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--blue-dark);
  box-shadow: 0 4px 20px var(--blue-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--card-border);
}
.btn-secondary:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-dim);
}

.btn-ghost {
  background: transparent;
  color: var(--gray-light);
  border: none;
}
.btn-ghost:hover { color: var(--white); }

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid rgba(239,68,68,0.3);
}
.btn-danger:hover {
  background: rgba(239,68,68,0.1);
}

.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8125rem; }
.btn-lg { padding: 0.875rem 1.75rem; font-size: 1rem; }
.btn-full { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* ─── Tool Cards (Dashboard) ─────────────────────────────────────────────────── */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
  padding: 2rem;
}

.tool-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all var(--trans);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  aspect-ratio: 1;
  min-height: 200px;

  /* Stagger animation via JS — visibile di default come fallback */
  opacity: 1;
  transform: translateY(0);
}

/* Classe aggiunta da JS per animazione entrata staggerata */
.tool-card.animate-hidden {
  opacity: 0;
  transform: translateY(20px);
}

.tool-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease, border-color var(--trans), box-shadow var(--trans), background var(--trans);
}

.tool-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, var(--blue-dim) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--trans);
}

.tool-card:hover {
  border-color: var(--card-hover-border);
  box-shadow: 0 8px 40px var(--blue-glow), 0 2px 8px rgba(0,0,0,0.4);
  transform: translateY(-4px) scale(1.01) !important;
  background: #2f2f2e;
}

.tool-card:hover::before { opacity: 1; }

.tool-card-icon {
  width: 48px;
  height: 48px;
  background: var(--blue-dim);
  border: 1px solid var(--blue-glow);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  font-size: 1.5rem;
}

.tool-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
}

.tool-card-desc {
  font-size: 0.8125rem;
  color: var(--gray-light);
  line-height: 1.5;
  flex: 1;
}

.tool-card-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  align-self: flex-start;
}
.badge-new    { background: rgba(34,197,94,0.15); color: var(--success); }
.badge-update { background: rgba(245,158,11,0.15); color: var(--warning); }
.badge-soon   { background: var(--blue-dim); color: var(--blue); }

/* ─── Category Tabs ──────────────────────────────────────────────────────────── */
.category-tabs {
  display: flex;
  gap: 0.5rem;
  padding: 1.5rem 2rem 0;
  flex-wrap: wrap;
}

.category-tab {
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--card-border);
  background: transparent;
  color: var(--gray-light);
  transition: all var(--trans);
  font-family: var(--font);
}

.category-tab:hover, .category-tab.active {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
  box-shadow: 0 2px 12px var(--blue-glow);
}

/* ─── Forms ──────────────────────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }

.form-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gray-lighter);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.form-input, .form-select {
  background: var(--charcoal);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-family: var(--font);
  font-size: 0.9375rem;
  color: var(--white);
  width: 100%;
  transition: border-color var(--trans), box-shadow var(--trans);
  outline: none;
}

.form-input:focus, .form-select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-dim);
}

.form-input::placeholder { color: var(--gray); }
.form-select option { background: var(--charcoal); }

/* ─── Toggle / Switch ────────────────────────────────────────────────────────── */
.toggle-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
}

.toggle {
  position: relative;
  width: 48px;
  height: 26px;
  flex-shrink: 0;
}

.toggle input { display: none; }

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--gray);
  border-radius: 100px;
  transition: background var(--trans);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  left: 3px;
  top: 3px;
  width: 20px;
  height: 20px;
  background: var(--white);
  border-radius: 50%;
  transition: transform var(--trans);
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

.toggle input:checked + .toggle-slider { background: var(--blue); }
.toggle input:checked + .toggle-slider::before { transform: translateX(22px); }

.toggle-label { font-size: 0.9375rem; font-weight: 500; }

/* ─── Segment Control (JPEG/PNG) ─────────────────────────────────────────────── */
.segment-control {
  display: inline-flex;
  background: var(--charcoal);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 3px;
  gap: 3px;
}

.segment-btn {
  padding: 0.5rem 1.5rem;
  border-radius: 8px;
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--gray-light);
  transition: all var(--trans);
}

.segment-btn.active {
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 2px 8px var(--blue-glow);
}

/* ─── Drop Zone ──────────────────────────────────────────────────────────────── */
.drop-zone {
  border: 2px dashed var(--card-border);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--trans);
  background: var(--card-bg);
}

.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--blue);
  background: var(--blue-dim);
  box-shadow: 0 0 0 4px var(--blue-glow);
}

.drop-zone-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.6;
}

.drop-zone-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.drop-zone p { font-size: 0.875rem; }

/* ─── Progress Bar ───────────────────────────────────────────────────────────── */
.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--charcoal);
  border-radius: 100px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue), #60a5fa);
  border-radius: 100px;
  transition: width 0.4s ease;
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ─── AI Panel ───────────────────────────────────────────────────────────────── */
.ai-panel {
  background: var(--charcoal);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 0.5rem;
  animation: slideDown 0.25s ease;
}

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

/* ─── Login Page ─────────────────────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--charcoal-3);
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(30,111,255,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(30,111,255,0.05) 0%, transparent 50%);
}

.login-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.login-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.login-logo svg { height: 40px; }

.login-form { display: flex; flex-direction: column; gap: 1rem; }

.login-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--gray);
  font-size: 0.8125rem;
}

.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--card-border);
}

/* ─── Alert / Toast ──────────────────────────────────────────────────────────── */
.alert {
  padding: 0.875rem 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid transparent;
}

.alert-error   { background: rgba(239,68,68,0.12);  border-color: rgba(239,68,68,0.3);  color: #fca5a5; }
.alert-success { background: rgba(34,197,94,0.12);  border-color: rgba(34,197,94,0.3);  color: #86efac; }
.alert-info    { background: var(--blue-dim);        border-color: var(--blue-glow);     color: #93c5fd; }

/* ─── Tables (Admin) ─────────────────────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

th {
  background: var(--charcoal);
  color: var(--gray-light);
  font-weight: 600;
  padding: 0.875rem 1rem;
  text-align: left;
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--card-border);
}

td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--white);
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.02); }

/* ─── Status badges ──────────────────────────────────────────────────────────── */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.65rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
}

.status-active   { background: rgba(34,197,94,0.15); color: var(--success); }
.status-inactive { background: rgba(239,68,68,0.12);  color: var(--danger); }
.status-admin    { background: var(--blue-dim); color: var(--blue); }

/* ─── Card (generic) ─────────────────────────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  padding-bottom: 0.875rem;
  border-bottom: 1px solid var(--card-border);
}

/* ─── Tool Layout ────────────────────────────────────────────────────────────── */
.tool-layout {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.tool-header { margin-bottom: 0.5rem; }
.tool-header h1 { font-size: 1.75rem; }
.tool-header p { margin-top: 0.5rem; }

/* ─── Admin Layout ───────────────────────────────────────────────────────────── */
.admin-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: calc(100vh - 72px);
}

.admin-sidebar {
  background: var(--charcoal);
  border-right: 1px solid var(--card-border);
  padding: 1.5rem 0;
}

.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-light);
  cursor: pointer;
  transition: all var(--trans);
  border-left: 3px solid transparent;
  text-decoration: none;
}

.admin-nav-item:hover, .admin-nav-item.active {
  color: var(--white);
  background: rgba(255,255,255,0.04);
  border-left-color: var(--blue);
}

.admin-content { padding: 2rem; }

.admin-section { display: none; }
.admin-section.active { display: block; }

/* ─── Modal ──────────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--trans);
  backdrop-filter: blur(4px);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  width: 100%;
  max-width: 480px;
  transform: translateY(16px);
  transition: transform var(--trans);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.modal-overlay.open .modal { transform: translateY(0); }
.modal-title { font-size: 1.125rem; font-weight: 700; }
.modal-footer { display: flex; gap: 0.75rem; justify-content: flex-end; }

/* ─── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .tools-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); padding: 1rem; }
  .admin-layout { grid-template-columns: 1fr; }
  .admin-sidebar { display: none; }
  .login-card { margin: 1rem; padding: 2rem 1.5rem; }
  .header { padding: 1rem; }
  .tool-layout { padding: 1rem; }
}

/* ─── EVOLAB wordmark logo ───────────────────────────────────────────────────── */
.evolab-wordmark path,
.evolab-wordmark polygon,
.evolab-wordmark rect {
  fill: #ffffff;
}

/* ─── Footer EvoLab (3 righe) ───────────────────────────────────────────────── */
.evolab-footer {
  background: var(--charcoal);
  border-top: 1px solid var(--card-border);
  padding: 1.25rem 2rem 1rem;
  margin-top: auto;
}

.evolab-footer-row {
  max-width: 1400px;
  margin: 0 auto;
}

/* Riga 1 — testo centrale */
.evolab-footer-center {
  text-align: center;
  font-size: 0.75rem;
  color: var(--gray);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  padding-bottom: 0.875rem;
  border-bottom: 1px solid var(--card-border);
}
.footer-sep { opacity: 0.5; }

/* Riga 2 — copyright sx | 321 dx */
.evolab-footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--card-border);
}
.evolab-footer-left { font-size: 0.75rem; color: var(--gray-light); }
.evolab-footer-right-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.75rem;
  color: var(--gray-light);
  text-decoration: none;
  transition: color var(--trans);
}
.evolab-footer-right-link:hover { color: var(--white); }

.logo-321-link { display: flex; align-items: center; }
.logo-321-img {
  height: 20px; width: auto;
  filter: grayscale(100%) brightness(1.8); opacity: 0.55;
  transition: filter 0.25s ease, opacity 0.25s ease;
}
.evolab-footer-right-link:hover .logo-321-img { filter: none; opacity: 1; }

/* Riga 3 — bandierine */
.evolab-footer-lang {
  display: flex;
  justify-content: center;
  gap: 0.375rem;
  padding-top: 0.75rem;
}

.evolab-lang-btn {
  display: flex; align-items: center; gap: 0.3rem;
  padding: 0.25rem 0.625rem; border-radius: 100px;
  font-family: var(--font); font-size: 0.72rem; font-weight: 600;
  cursor: pointer; border: 1px solid transparent;
  background: transparent; color: var(--gray-light);
  transition: all var(--trans);
}
.evolab-lang-btn:hover { border-color: var(--card-border); color: var(--white); }
.evolab-lang-btn.active { border-color: var(--blue); color: var(--blue); background: var(--blue-dim); }
.lang-flag { font-size: 0.9rem; }
.lang-name  { font-size: 0.68rem; }

@media (max-width: 768px) {
  .evolab-footer-bottom { flex-direction: column; gap: 0.5rem; align-items: center; text-align: center; }
}

/* ─── Chatbot flottante ──────────────────────────────────────────────────────── */
#evolab-chatbot { position: fixed; bottom: 2rem; right: 2rem; z-index: 9000; }

.chat-bubble {
  width: 54px; height: 54px; border-radius: 50%;
  background: var(--blue); border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: #fff; box-shadow: 0 4px 20px var(--blue-glow), 0 2px 8px rgba(0,0,0,0.3);
  transition: all var(--trans);
}
.chat-bubble:hover { transform: scale(1.08); box-shadow: 0 8px 32px var(--blue-glow); }

.chat-panel {
  position: absolute; bottom: 66px; right: 0; width: 340px; max-height: 480px;
  background: var(--card-bg); border: 1px solid var(--card-border); border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  display: flex; flex-direction: column; overflow: hidden;
  opacity: 0; transform: translateY(12px) scale(0.97); pointer-events: none;
  transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
}
.chat-panel.open { opacity: 1; transform: translateY(0) scale(1); pointer-events: all; }

.chat-panel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.875rem 1.125rem; background: var(--charcoal);
  border-bottom: 1px solid var(--card-border); flex-shrink: 0;
}
.chat-panel-title   { font-weight: 700; font-size: 0.9rem; }
.chat-panel-subtitle { font-size: 0.72rem; color: var(--gray-light); margin-top: 0.1rem; }

.chat-close {
  background: none; border: none; color: var(--gray-light); cursor: pointer;
  font-size: 1.1rem; padding: 0.2rem; line-height: 1; transition: color var(--trans);
}
.chat-close:hover { color: var(--white); }

.chat-messages {
  flex: 1; overflow-y: auto; padding: 0.875rem; display: flex; flex-direction: column;
  gap: 0.625rem; scroll-behavior: smooth;
}
.chat-msg { display: flex; }
.chat-msg.user { justify-content: flex-end; }
.chat-msg-bubble {
  max-width: 86%; padding: 0.55rem 0.825rem; border-radius: 14px;
  font-size: 0.85rem; line-height: 1.5;
}
.chat-msg.assistant .chat-msg-bubble {
  background: var(--charcoal); color: var(--white); border-bottom-left-radius: 4px;
}
.chat-msg.user .chat-msg-bubble {
  background: var(--blue); color: #fff; border-bottom-right-radius: 4px;
}

.chat-typing { display: flex; align-items: center; gap: 4px; padding: 0.625rem 0.825rem; }
.chat-typing span {
  width: 6px; height: 6px; background: var(--gray-light); border-radius: 50%;
  animation: chatBounce 1.2s infinite;
}
.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes chatBounce {
  0%,60%,100% { transform: translateY(0); opacity: 0.4; }
  30%          { transform: translateY(-5px); opacity: 1; }
}

.chat-input-row {
  display: flex; gap: 0.5rem; padding: 0.75rem 0.875rem;
  border-top: 1px solid var(--card-border); background: var(--charcoal); flex-shrink: 0;
}
.chat-input {
  flex: 1; background: var(--charcoal-2); border: 1px solid var(--card-border);
  border-radius: 100px; padding: 0.45rem 0.875rem;
  font-family: var(--font); font-size: 0.85rem; color: var(--white); outline: none;
  transition: border-color var(--trans);
}
.chat-input:focus { border-color: var(--blue); }
.chat-input::placeholder { color: var(--gray); }

.chat-send-btn {
  width: 36px; height: 36px; border-radius: 50%; background: var(--blue);
  border: none; cursor: pointer; display: flex; align-items: center; justify-content: center;
  color: #fff; transition: all var(--trans); flex-shrink: 0;
}
.chat-send-btn:hover { background: var(--blue-dark); transform: scale(1.06); }
.chat-send-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

@media (max-width: 480px) {
  #evolab-chatbot { bottom: 1rem; right: 1rem; }
  .chat-panel { width: calc(100vw - 2.5rem); right: -0.5rem; }
}