/* ─────────────────────────────────────────────────────────────────────────────
 * Ask AI Question Assistant Styles (Spacious, Crisp, Beautiful Spacing)
 * ───────────────────────────────────────────────────────────────────────────── */

.btn-ask-ai-premium {
    background: linear-gradient(135deg, #faf5ff 0%, #f3e8ff 100%) !important;
    color: #6b21a8 !important;
    border: 1.5px solid #d8b4fe !important;
    border-radius: 12px !important;
    padding: 10px 20px !important;
    font-weight: 600 !important;
    font-size: 15px !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
    cursor: pointer !important;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
    box-shadow: 0 1px 3px rgba(107, 33, 168, 0.08) !important;
    text-decoration: none !important;
    line-height: 1.4 !important;
    vertical-align: middle !important;
    position: relative !important;
    overflow: hidden !important;
}

.btn-ask-ai-premium::before {
    content: '' !important;
    position: absolute !important;
    top: 0 !important;
    left: -100% !important;
    width: 100% !important;
    height: 100% !important;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.65), transparent) !important;
    transition: left 0.5s ease !important;
}

.btn-ask-ai-premium:hover::before {
    left: 100% !important;
}

.btn-ask-ai-premium:hover {
    background: linear-gradient(135deg, #f3e8ff 0%, #ede9fe 100%) !important;
    border-color: #c084fc !important;
    color: #581c87 !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 14px rgba(147, 51, 234, 0.18) !important;
}

.btn-ask-ai-premium:active {
    transform: translateY(0) !important;
    box-shadow: 0 1px 2px rgba(147, 51, 234, 0.08) !important;
}

.btn-ask-ai-premium i {
    font-size: 15px !important;
    color: #9333ea !important;
    filter: drop-shadow(0 1px 2px rgba(147, 51, 234, 0.25)) !important;
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
}

.btn-ask-ai-premium:hover i {
    transform: scale(1.18) rotate(12deg) !important;
    color: #7e22ce !important;
}

/* Background scroll lock when Ask AI is open */
html.ask-ai-open,
body.ask-ai-open {
    overflow: hidden !important;
    overflow-y: hidden !important;
    overflow-x: hidden !important;
    height: 100vh !important;
    max-height: 100vh !important;
    touch-action: none !important;
}

.offcanvas-backdrop {
    z-index: 100040 !important;
    background-color: rgba(15, 23, 42, 0.45) !important;
    backdrop-filter: blur(2px) !important;
}

/* Modal Drawer (Spacious width on laptop/desktop: 580px - 620px) */
.ask-ai-drawer {
    display: flex !important;
    flex-direction: column !important;
    height: 100vh !important;
    max-height: 100vh !important;
    overflow: hidden !important;
    overscroll-behavior: contain !important;
    background: #f8fafc !important;
    width: 580px !important;
    max-width: 95vw !important;
    border-left: 1px solid #e2e8f0 !important;
    z-index: 100050 !important;
    box-shadow: -10px 0 30px rgba(15, 23, 42, 0.08) !important;
}

@media (min-width: 1400px) {
    .ask-ai-drawer {
        width: 620px !important;
    }
}

.ask-ai-header {
    flex-shrink: 0 !important;
    min-height: 52px !important;
    padding: 12px 20px !important;
    background: #ffffff !important;
    border-bottom: 1px solid #f1f5f9 !important;
}

.ask-ai-pinned-question {
    flex-shrink: 0 !important;
}

.ask-ai-header .btn-close {
    padding: 4px !important;
    margin: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
}

/* Scrollable Messages Area */
.ask-ai-messages-area {
    flex: 1 1 auto !important;
    min-height: 0 !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    scrollbar-width: thin !important;
    scrollbar-color: #cbd5e1 transparent !important;
    padding: 16px 20px !important;
    gap: 12px !important;
}

.ask-ai-messages-area::-webkit-scrollbar {
    width: 5px !important;
}

.ask-ai-messages-area::-webkit-scrollbar-track {
    background: transparent !important;
}

.ask-ai-messages-area::-webkit-scrollbar-thumb {
    background-color: #cbd5e1 !important;
    border-radius: 4px !important;
}

.ask-ai-msg-row {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    margin-bottom: 6px !important;
}

.msg-row-user {
    align-items: flex-end !important;
}

.msg-row-model {
    align-items: flex-start !important;
}

.ask-ai-msg-bubble {
    word-break: break-word !important;
    overflow-wrap: anywhere !important;
    position: relative !important;
}

/* User Message Bubble */
.bubble-user {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%) !important;
    border-radius: 14px 14px 2px 14px !important;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.18) !important;
    padding: 10px 16px !important;
    max-width: 84% !important;
}

.bubble-user,
.bubble-user *,
.bubble-user div,
.bubble-user p,
.bubble-user span,
.bubble-user strong,
.bubble-user .ask-ai-user-text,
.bubble-user .ask-ai-para {
    color: #ffffff !important;
    font-weight: 500 !important;
}

.ask-ai-user-text {
    font-size: 13px !important;
    color: #ffffff !important;
    line-height: 1.55 !important;
    font-weight: 500 !important;
    word-break: break-word !important;
    white-space: pre-wrap !important;
}

/* AI Model Message Bubble (Spacious, perfectly consistent 13.5px typography) */
.bubble-model {
    background: #ffffff !important;
    color: #1e293b !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 14px 14px 14px 2px !important;
    box-shadow: 0 1px 4px rgba(15, 23, 42, 0.04) !important;
    padding: 16px 20px !important;
    max-width: 95% !important;
    font-family: 'Euclid Circular A', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
    font-size: 13.5px !important;
    line-height: 1.65 !important;
}

/* Explicitly enforce 13.5px on text tags inside bubble-model while protecting KaTeX & MathML */
.bubble-model p,
.bubble-model div:not(.ask-ai-heading):not(.ask-ai-step-heading):not(.ask-ai-step-num):not(.katex):not(.katex *):not(.katex-display),
.bubble-model span:not(.ask-ai-step-num):not(.katex):not(.katex *):not(.katex-display),
.bubble-model li,
.bubble-model .ask-ai-para,
.bubble-model .ask-ai-step-body,
.bubble-model .ask-ai-bullet-item {
    font-family: 'Euclid Circular A', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
    font-size: 13.5px !important;
    line-height: 1.65 !important;
    color: #334155 !important;
}

/* Math Typography (KaTeX & MathML) */
.bubble-model .katex,
.ask-ai-pinned-card .katex {
    font-size: 1.05em !important;
    line-height: 1.2 !important;
    color: #0f172a !important;
}

.bubble-model .katex-display,
.ask-ai-pinned-card .katex-display {
    margin: 10px 0 !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    padding: 6px 0 !important;
    scrollbar-width: thin !important;
}

.bubble-model math,
.ask-ai-pinned-card math {
    font-size: 1.05em !important;
    vertical-align: middle !important;
    max-width: 100% !important;
    overflow-x: auto !important;
}

.bubble-model p,
.bubble-model .ask-ai-para {
    margin-top: 0 !important;
    margin-bottom: 10px !important;
}

.bubble-model p:last-child,
.bubble-model .ask-ai-para:last-child {
    margin-bottom: 0 !important;
}

.ask-ai-heading {
    font-size: 14.5px !important;
    font-weight: 700 !important;
    color: #0f172a !important;
    margin-top: 14px !important;
    margin-bottom: 8px !important;
    line-height: 1.4 !important;
    display: block !important;
}

.ask-ai-step-heading {
    font-size: 14px !important;
    font-weight: 700 !important;
    color: #4338ca !important;
    margin-top: 14px !important;
    margin-bottom: 6px !important;
    line-height: 1.4 !important;
    display: block !important;
}

/* Numbered Step Items (Single line, baseline aligned, consistent 13.5px) */
.ask-ai-step-item {
    display: flex !important;
    align-items: baseline !important;
    gap: 8px !important;
    margin-top: 12px !important;
    margin-bottom: 6px !important;
    font-size: 13.5px !important;
    line-height: 1.65 !important;
    color: #1e293b !important;
}

.ask-ai-step-num {
    font-weight: 700 !important;
    color: #4338ca !important;
    font-size: 13.5px !important;
    flex-shrink: 0 !important;
    min-width: 18px !important;
}

.ask-ai-step-body {
    flex-grow: 1 !important;
    color: #1e293b !important;
    font-size: 13.5px !important;
    line-height: 1.65 !important;
}

.ask-ai-step-body strong {
    color: #0f172a !important;
    font-weight: 700 !important;
}

.ask-ai-bullets-list {
    padding-left: 20px !important;
    margin-top: 4px !important;
    margin-bottom: 10px !important;
}

.ask-ai-bullet-item {
    font-size: 13.5px !important;
    margin-bottom: 5px !important;
    color: #334155 !important;
    line-height: 1.65 !important;
}

/* Pinned Question Card Styling */
.ask-ai-pinned-card {
    background: #ffffff !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 8px !important;
    padding: 10px 14px !important;
    font-size: 12.5px !important;
    line-height: 1.55 !important;
    color: #1e293b !important;
    max-height: 170px !important;
    overflow-y: auto !important;
}

.ask-ai-q-title {
    font-weight: 600 !important;
    color: #0f172a !important;
    font-size: 12.5px !important;
    line-height: 1.5 !important;
    margin-bottom: 6px !important;
}

.ask-ai-opt-row {
    display: flex !important;
    align-items: flex-start !important;
    gap: 8px !important;
    padding: 4px 8px !important;
    border-radius: 6px !important;
    font-size: 12px !important;
    color: #334155 !important;
    border: 1px solid transparent !important;
    transition: background 0.15s ease !important;
}

.ask-ai-opt-row:hover {
    background: #f1f5f9 !important;
}

.ask-ai-opt-letter {
    font-weight: 700 !important;
    color: #4f46e5 !important;
    min-width: 18px !important;
}

.ask-ai-opt-correct {
    background: #f0fdf4 !important;
    border-color: #bbf7d0 !important;
    color: #166534 !important;
    font-weight: 600 !important;
}

/* Quick Suggestion Chips */
.ask-ai-chips-wrap {
    flex-shrink: 0 !important;
    overflow-x: auto !important;
    white-space: nowrap !important;
    scrollbar-width: none !important;
    -ms-overflow-style: none !important;
    gap: 8px !important;
    background: #ffffff !important;
    border-top: 1px solid #f1f5f9 !important;
    padding: 8px 16px !important;
}

.ask-ai-chips-wrap::-webkit-scrollbar {
    display: none !important;
    width: 0 !important;
    height: 0 !important;
}

.ask-ai-chip-btn {
    background: #f8fafc !important;
    border: 1px solid #e2e8f0 !important;
    color: #475569 !important;
    padding: 4px 12px !important;
    border-radius: 8px !important;
    font-size: 12px !important;
    font-weight: 500 !important;
    transition: all 0.15s ease !important;
    cursor: pointer !important;
    flex-shrink: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 5px !important;
    height: 30px !important;
    line-height: 1 !important;
}

.ask-ai-chip-btn i, .ask-ai-chip-btn svg {
    font-size: 12px !important;
    line-height: 1 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin: 0 !important;
}

.ask-ai-chip-btn:hover {
    background: #eef2ff !important;
    border-color: #c7d2fe !important;
    color: #4338ca !important;
}

/* Bottom Input Bar (Comfortable, spacious: 44px height) */
.ask-ai-footer {
    flex-shrink: 0 !important;
    background: #ffffff !important;
    border-top: 1px solid #e2e8f0 !important;
    box-shadow: 0 -3px 12px rgba(0, 0, 0, 0.04) !important;
    padding: 12px 16px !important;
}

.ask-ai-input {
    height: 44px !important;
    font-size: 13.5px !important;
    padding: 8px 16px !important;
    border-radius: 10px !important;
    border: 1.5px solid #cbd5e1 !important;
    background: #ffffff !important;
    transition: border-color 0.15s ease, box-shadow 0.15s ease !important;
}

.ask-ai-input:focus {
    border-color: #4f46e5 !important;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12) !important;
    outline: none !important;
}

/* Send Button (44px x 44px, gradient, modern) */
#askAiSendBtn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 44px !important;
    height: 44px !important;
    min-width: 44px !important;
    border-radius: 10px !important;
    padding: 0 !important;
    background: linear-gradient(135deg, #4f46e5 0%, #2563eb 100%) !important;
    border: none !important;
    color: #ffffff !important;
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.25) !important;
    transition: all 0.15s ease !important;
    cursor: pointer !important;
}

#askAiSendBtn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35) !important;
}

#askAiSendBtn:active {
    transform: translateY(0);
}

#askAiSendBtn i {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 16px !important;
    line-height: 1 !important;
    transform: translate(1px, 1px) !important;
}

/* Typing Indicator Animation */
.ask-ai-typing-dots {
    display: inline-flex !important;
    align-items: center !important;
    gap: 4px !important;
    padding: 2px 4px !important;
}

.ask-ai-typing-dots span {
    width: 5px !important;
    height: 5px !important;
    background-color: #6366f1 !important;
    border-radius: 50% !important;
    animation: askAiBlink 1.4s infinite both !important;
}

.ask-ai-typing-dots span:nth-child(2) {
    animation-delay: 0.2s !important;
}

.ask-ai-typing-dots span:nth-child(3) {
    animation-delay: 0.4s !important;
}

@keyframes askAiBlink {
    0%, 80%, 100% {
        opacity: 0.2;
        transform: scale(0.8);
    }
    40% {
        opacity: 1;
        transform: scale(1.1);
    }
}

.msg-appear-anim {
    animation: askAiFadeInUp 0.18s cubic-bezier(0.16, 1, 0.3, 1) forwards !important;
}

@keyframes askAiFadeInUp {
    from {
        opacity: 0;
        transform: translateY(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
 * Premium AI Loading Skeleton & Progressive Ticker
 * ───────────────────────────────────────────────────────────────────────────── */

.ask-ai-loader-card {
    background: #ffffff !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 14px !important;
    padding: 20px !important;
    box-shadow: 0 1px 6px rgba(15, 23, 42, 0.04) !important;
    width: 100% !important;
    animation: askAiFadeInUp 0.22s ease-out forwards !important;
}

.ask-ai-loader-header {
    display: flex !important;
    align-items: center !important;
    gap: 14px !important;
    margin-bottom: 20px !important;
    padding-bottom: 14px !important;
    border-bottom: 1px solid #f1f5f9 !important;
}

.ask-ai-pulse-icon {
    width: 38px !important;
    height: 38px !important;
    min-width: 38px !important;
    border-radius: 10px !important;
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%) !important;
    color: #ffffff !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 17px !important;
    box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.45) !important;
    animation: askAiGlowPulse 1.8s infinite cubic-bezier(0.66, 0, 0, 1) !important;
}

@keyframes askAiGlowPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.45);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(79, 70, 229, 0);
        transform: scale(1.04);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(79, 70, 229, 0);
        transform: scale(1);
    }
}

.ask-ai-ticker-title {
    font-size: 13.5px !important;
    font-weight: 700 !important;
    color: #1e1b4b !important;
    margin-bottom: 2px !important;
    line-height: 1.3 !important;
}

.ask-ai-ticker-sub {
    font-size: 12px !important;
    color: #6366f1 !important;
    font-weight: 500 !important;
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    transition: opacity 0.2s ease !important;
}

.ask-ai-skel-group {
    display: flex !important;
    flex-direction: column !important;
    gap: 10px !important;
    margin-bottom: 16px !important;
}

.ask-ai-skel-group:last-child {
    margin-bottom: 0 !important;
}

.ask-ai-shimmer {
    background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%) !important;
    background-size: 200% 100% !important;
    animation: askAiShimmerAnim 1.4s infinite linear !important;
    border-radius: 6px !important;
}

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

.ask-ai-skel-badge {
    height: 14px !important;
    width: 32% !important;
    background: linear-gradient(90deg, #e0e7ff 25%, #c7d2fe 50%, #e0e7ff 75%) !important;
    background-size: 200% 100% !important;
    animation: askAiShimmerAnim 1.4s infinite linear !important;
    border-radius: 5px !important;
    margin-bottom: 4px !important;
}

.ask-ai-skel-line {
    height: 11px !important;
    border-radius: 5px !important;
}

/* Follow-up Thinking Bubble Card */
.ask-ai-thinking-bubble {
    display: inline-flex !important;
    align-items: center !important;
    gap: 10px !important;
    padding: 10px 16px !important;
    background: #ffffff !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 12px 12px 12px 2px !important;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04) !important;
}

.ask-ai-thinking-spark {
    color: #4f46e5 !important;
    font-size: 14px !important;
    animation: askAiSpinSlow 3s infinite linear !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
}

@keyframes askAiSpinSlow {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.ask-ai-thinking-text {
    font-size: 12.5px !important;
    font-weight: 500 !important;
    color: #4338ca !important;
}