/* ============================================================
   FutureTools AI Assistant — Production Widget
   ============================================================ */

/* ── 1. FLOATING TOGGLE BUTTON ── */
.ft-ai-toggle {
  position: fixed;
  bottom: 5rem;
  right: 2rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1e3a5f 0%, #3b82f6 50%, #06b6d4 100%);
  color: #fff;
  border: none;
  cursor: pointer;
  z-index: 101;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(59,130,246,0.5);
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1), box-shadow 0.3s;
}

.ft-ai-toggle:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 8px 30px rgba(59,130,246,0.6);
}

/* AI Icon — premium sparkle wand */
.ft-ai-icon {
  position: relative;
  width: 26px;
  height: 26px;
}

.ft-ai-icon svg {
  width: 100%;
  height: 100%;
  color: #fff;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

/* Open/Close icon swap */
.ft-ai-toggle .ft-ai-icon-open,
.ft-ai-toggle .ft-ai-icon-close {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.25s, transform 0.25s;
}

.ft-ai-toggle .ft-ai-icon-close {
  opacity: 0;
  transform: rotate(-90deg) scale(0.5);
}

.ft-ai-toggle.active .ft-ai-icon-open {
  opacity: 0;
  transform: rotate(90deg) scale(0.5);
}

.ft-ai-toggle.active .ft-ai-icon-close {
  opacity: 1;
  transform: rotate(0) scale(1);
}

/* Notification dot */
.ft-ai-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #EF4444;
  color: #fff;
  font-size: 0.6rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-bg, #0B1120);
}

/* ── 2. CHAT PANEL ── */
.ft-ai-panel {
  position: fixed;
  bottom: 5rem;
  right: 2rem;
  width: 400px;
  height: 580px;
  border-radius: 20px;
  background: var(--color-card-bg, rgba(17,24,39,0.6));
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-card-border, rgba(30,41,59,0.5));
  box-shadow: 0 20px 60px var(--color-shadow, rgba(0,0,0,0.4));
  z-index: 101;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.95);
  transition: opacity 0.35s cubic-bezier(0.4,0,0.2,1), visibility 0.35s, transform 0.35s cubic-bezier(0.4,0,0.2,1);
}

.ft-ai-panel.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

/* ── HEADER ── */
.ft-ai-header {
  padding: 1rem 1.25rem;
  background: linear-gradient(135deg, rgba(59,130,246,0.12), rgba(6,182,212,0.08));
  border-bottom: 1px solid var(--color-card-border);
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-shrink: 0;
}

.ft-ai-avatar {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, #1e3a5f 0%, #3b82f6 50%, #06b6d4 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(59,130,246,0.4);
  position: relative;
}

.ft-ai-avatar svg { width: 20px; height: 20px; fill: #fff; }

.ft-ai-avatar::after {
  content: '';
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #06b6d4;
  border: 2px solid var(--color-card-bg, rgba(17,24,39,0.6));
}

.ft-ai-header-info { flex: 1; min-width: 0; }

.ft-ai-header-info h4 {
  font-family: var(--font-family-heading);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
  line-height: 1.2;
}

.ft-ai-header-info p {
  font-size: 0.7rem;
  color: #06b6d4;
  margin: 0;
  font-weight: 500;
}

.ft-ai-header-actions {
  display: flex;
  gap: 0.3rem;
}

.ft-ai-header-btn {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.7rem;
  transition: all 0.2s;
}

.ft-ai-header-btn:hover {
  background: rgba(255,255,255,0.12);
  color: var(--color-text);
}

/* ── MESSAGES AREA ── */
.ft-ai-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.ft-ai-messages::-webkit-scrollbar { width: 4px; }
.ft-ai-messages::-webkit-scrollbar-track { background: transparent; }
.ft-ai-messages::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 10px; }

/* ── MESSAGE BUBBLES ── */
.ft-ai-msg {
  display: flex;
  gap: 0.6rem;
  animation: ft-ai-msg-in 0.3s cubic-bezier(0.4,0,0.2,1);
}

@keyframes ft-ai-msg-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.ft-ai-msg-avatar {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.ft-ai-msg-avatar.bot {
  background: linear-gradient(135deg, #1e3a5f 0%, #3b82f6 50%, #06b6d4 100%);
  color: #fff;
}

.ft-ai-msg-avatar.user {
  background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
  color: #fff;
}

.ft-ai-msg-content { flex: 1; min-width: 0; }

.ft-ai-msg-name {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.ft-ai-msg-bubble {
  padding: 0.75rem 0.9rem;
  border-radius: 14px;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--color-text);
  max-width: 92%;
}

.ft-ai-msg-bubble.bot {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-top-left-radius: 4px;
}

.ft-ai-msg-bubble.user {
  background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
  color: #fff;
  border-top-right-radius: 4px;
  margin-left: auto;
}

/* ── CATEGORY CHIPS ── */
.ft-ai-chips {
  display: flex;
  gap: 0.35rem;
  flex-wrap: nowrap;
  overflow-x: auto;
  padding: 0.6rem 0 0.2rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.ft-ai-chips::-webkit-scrollbar { display: none; }

.ft-ai-chip {
  padding: 0.3rem 0.65rem;
  border-radius: 50px;
  font-size: 0.68rem;
  font-weight: 600;
  border: 1px solid var(--color-card-border);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}

.ft-ai-chip:hover {
  background: #3b82f6;
  color: #fff;
  border-color: #3b82f6;
}

/* ── TOOL CARD ── */
.ft-ai-tool-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: 14px;
  padding: 0.9rem;
  margin-top: 0.55rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.ft-ai-tool-card:hover {
  border-color: rgba(59,130,246,0.35);
  box-shadow: 0 4px 20px rgba(59,130,246,0.12);
}

.ft-ai-tool-card-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
}

.ft-ai-tool-card-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.ft-ai-tool-card-title {
  font-family: var(--font-family-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
}

.ft-ai-tool-card-desc {
  font-size: 0.76rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.45;
}

.ft-ai-tool-card-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: 10px;
  background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 16px rgba(59,130,246,0.4);
  margin-top: 0.65rem;
}

.ft-ai-tool-card-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(59,130,246,0.5);
  color: #fff;
}

/* ── FEEDBACK ── */
.ft-ai-feedback {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.55rem;
  padding-top: 0.55rem;
  border-top: 1px solid var(--color-card-border);
}

.ft-ai-feedback-text {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-right: auto;
}

.ft-ai-feedback-btn {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-card-border);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.75rem;
  transition: all 0.2s;
}

.ft-ai-feedback-btn:hover {
  background: rgba(59,130,246,0.15);
  border-color: rgba(59,130,246,0.35);
  color: #3b82f6;
}

.ft-ai-feedback-btn.active {
  background: rgba(59,130,246,0.2);
  border-color: #3b82f6;
  color: #3b82f6;
}

/* ── REVIEW REQUEST ── */
.ft-ai-review {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.55rem;
  padding: 0.6rem 0.8rem;
  border-radius: 10px;
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.15);
}

.ft-ai-review i { color: var(--color-primary); font-size: 0.8rem; }

.ft-ai-review-text {
  font-size: 0.75rem;
  color: var(--color-text);
  flex: 1;
}

.ft-ai-review-link {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}

.ft-ai-review-link:hover { color: var(--color-secondary); }

/* ── DONATION ── */
.ft-ai-donation {
  margin-top: 0.55rem;
  padding: 0.9rem;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(99,102,241,0.06), rgba(6,182,212,0.04));
  border: 1px solid rgba(99,102,241,0.1);
  text-align: center;
}

.ft-ai-donation-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f7971e 0%, #ffd200 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  margin: 0 auto 0.5rem;
  box-shadow: 0 4px 14px rgba(247,151,30,0.35);
}

.ft-ai-donation-title {
  font-family: var(--font-family-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 0.2rem;
}

.ft-ai-donation-desc {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin: 0 0 0.65rem;
  line-height: 1.45;
}

.ft-ai-donation-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  border-radius: 10px;
  background: linear-gradient(135deg, #f7971e 0%, #ffd200 100%);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 14px rgba(247,151,30,0.4);
}

.ft-ai-donation-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(247,151,30,0.5);
  color: #fff;
}

/* ── INPUT AREA ── */
.ft-ai-input-area {
  padding: 0.85rem 1.25rem;
  border-top: 1px solid var(--color-card-border);
  background: rgba(0,0,0,0.12);
  flex-shrink: 0;
}

.ft-ai-input-wrapper {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 0.3rem 0.4rem 0.3rem 0.9rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.ft-ai-input-wrapper:focus-within {
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}

.ft-ai-input {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--color-text);
  font-size: 0.85rem;
  font-family: inherit;
  padding: 0.5rem 0;
  outline: none;
}

.ft-ai-input::placeholder { color: var(--color-text-muted); opacity: 0.6; }

.ft-ai-send-btn {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
  transition: all 0.2s;
  box-shadow: 0 2px 10px rgba(59,130,246,0.4);
}

.ft-ai-send-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 4px 16px rgba(59,130,246,0.5);
}

.ft-ai-powered {
  text-align: center;
  margin-top: 0.4rem;
  font-size: 0.62rem;
  color: var(--color-text-muted);
  opacity: 0.5;
}

/* ── INTEGRATION BADGE ── */
.ft-ai-integration-badge {
  text-align: center;
  padding: 0.4rem 0.7rem;
  border-radius: 8px;
  background: rgba(59,130,246,0.08);
  border: 1px dashed rgba(59,130,246,0.25);
  margin-bottom: 0.3rem;
  flex-shrink: 0;
}

.ft-ai-integration-badge span {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ── 3. HOMEPAGE DEMO SECTION ── */
.ft-ai-demo-section {
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.ft-ai-demo-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(59,130,246,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.ft-ai-demo-header {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
  z-index: 1;
}

.ft-ai-demo-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.9rem;
  border-radius: 50px;
  background: linear-gradient(135deg, rgba(59,130,246,0.12), rgba(6,182,212,0.08));
  border: 1px solid rgba(59,130,246,0.2);
  color: #3b82f6;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.ft-ai-demo-title {
  font-family: var(--font-family-heading);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 0.85rem;
  line-height: 1.2;
}

.ft-ai-demo-title span {
  background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ft-ai-demo-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.65;
}

.ft-ai-demo-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.ft-ai-demo-features {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.ft-ai-demo-feature {
  display: flex;
  gap: 1rem;
  padding: 1.1rem;
  border-radius: 14px;
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  transition: all 0.3s;
}

.ft-ai-demo-feature:hover {
  border-color: rgba(59,130,246,0.3);
  transform: translateX(4px);
}

.ft-ai-demo-feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  flex-shrink: 0;
  color: #fff;
}

.ft-ai-demo-feature-icon.fi-1 { background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%); }
.ft-ai-demo-feature-icon.fi-2 { background: linear-gradient(135deg, #1e3a5f 0%, #3b82f6 100%); }
.ft-ai-demo-feature-icon.fi-3 { background: linear-gradient(135deg, #06b6d4 0%, #22d3ee 100%); }
.ft-ai-demo-feature-icon.fi-4 { background: linear-gradient(135deg, #1e3a5f 0%, #06b6d4 100%); }

.ft-ai-demo-feature-text h4 {
  font-family: var(--font-family-heading);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 0.25rem;
}

.ft-ai-demo-feature-text p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.45;
}

.ft-ai-demo-preview {
  position: relative;
  display: flex;
  justify-content: center;
}

.ft-ai-demo-widget {
  width: 380px;
  border-radius: 20px;
  background: var(--color-card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--color-card-border);
  box-shadow: 0 20px 80px var(--color-shadow);
  overflow: hidden;
}

.ft-ai-demo-preview::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.ft-ai-demo-arch {
  margin-top: 2.5rem;
  padding: 1.25rem;
  border-radius: 14px;
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  position: relative;
  z-index: 1;
}

.ft-ai-demo-arch-title {
  font-family: var(--font-family-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ft-ai-demo-arch-title i { color: var(--color-primary); }

.ft-ai-demo-arch-flow {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  justify-content: center;
}

.ft-ai-demo-arch-step {
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.18);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

.ft-ai-demo-arch-arrow {
  color: var(--color-text-muted);
  font-size: 0.7rem;
}

/* ── 4. RESPONSIVE ── */
@media (max-width: 991px) {
  .ft-ai-demo-showcase { grid-template-columns: 1fr; gap: 2.5rem; }
  .ft-ai-demo-preview { order: -1; }
  .ft-ai-demo-widget { width: 100%; max-width: 400px; }
  .ft-ai-demo-title { font-size: 2rem; }
}

@media (max-width: 768px) {
  .ft-ai-toggle { bottom: 4.5rem; right: 1.25rem; width: 52px; height: 52px; }
  .ft-ai-panel { bottom: 0; right: 0; left: 0; width: 100%; height: 100vh; max-height: 100vh; border-radius: 0; }
  .ft-ai-demo-title { font-size: 1.75rem; }
  .ft-ai-demo-subtitle { font-size: 0.92rem; }
  .ft-ai-demo-arch-flow { flex-direction: column; }
  .ft-ai-demo-arch-arrow { transform: rotate(90deg); }
}

@media (max-width: 480px) {
  .ft-ai-toggle { bottom: 4rem; right: 1rem; width: 50px; height: 50px; }
  .ft-ai-demo-section { padding: 3rem 0; }
}

@media (prefers-reduced-motion: reduce) {
  .ft-ai-toggle, .ft-ai-panel, .ft-ai-msg, .ft-ai-demo-feature { animation: none; transition: none; }
}