/* ═══════════════════════════════════════════════════════════════════════════════════════
   TACTICAL INTELLIGENCE INTERFACE — MILITARY-GRADE CHAT SYSTEM
   Infinite Architects · Beyond ChatGPT · Beyond Claude · Beyond All

   VERSION: 1.0.0 CLASSIFIED
   CLEARANCE: PUBLIC ACCESS AUTHORIZED
   ═══════════════════════════════════════════════════════════════════════════════════════ */

/* ═══════════════════════════════════════════════════════════════════════════════════════
   1. TACTICAL DESIGN TOKENS
   ═══════════════════════════════════════════════════════════════════════════════════════ */

:root {
    /* Tactical Colors */
    --tac-void: #050608;
    --tac-surface: #0a0c12;
    --tac-surface-elevated: #0f1218;
    --tac-border: rgba(212, 168, 75, 0.15);
    --tac-border-active: rgba(212, 168, 75, 0.4);

    /* Status Colors */
    --tac-gold: #d4a84b;
    --tac-gold-glow: rgba(212, 168, 75, 0.5);
    --tac-green: #00ff88;
    --tac-green-dim: rgba(0, 255, 136, 0.6);
    --tac-green-glow: rgba(0, 255, 136, 0.3);
    --tac-amber: #ffaa00;
    --tac-amber-glow: rgba(255, 170, 0, 0.3);
    --tac-red: #ff4444;
    --tac-red-glow: rgba(255, 68, 68, 0.3);
    --tac-cyan: #00d4ff;
    --tac-cyan-glow: rgba(0, 212, 255, 0.3);

    /* Text */
    --tac-text: #e8e4dc;
    --tac-text-dim: rgba(232, 228, 220, 0.6);
    --tac-text-faint: rgba(232, 228, 220, 0.35);

    /* Typography */
    --tac-font-display: 'Cinzel', serif;
    --tac-font-mono: 'Space Mono', 'JetBrains Mono', monospace;
    --tac-font-body: 'Cormorant Garamond', Georgia, serif;

    /* Animation */
    --tac-ease: cubic-bezier(0.16, 1, 0.3, 1);
    --tac-ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --tac-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ═══════════════════════════════════════════════════════════════════════════════════════
   2. CONTAINER & BACKDROP
   ═══════════════════════════════════════════════════════════════════════════════════════ */

.ask-book-chat {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s var(--tac-ease), visibility 0.4s var(--tac-ease);
}

.ask-book-chat.active {
    pointer-events: auto;
    opacity: 1;
    visibility: visible;
}

.ask-book-chat__backdrop {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(5, 6, 8, 0.85) 0%, rgba(2, 3, 5, 0.95) 100%);
    backdrop-filter: blur(12px) saturate(150%);
    -webkit-backdrop-filter: blur(12px) saturate(150%);
}

/* Scan line effect on backdrop */
.ask-book-chat__backdrop::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 255, 136, 0.015) 2px,
        rgba(0, 255, 136, 0.015) 4px
    );
    pointer-events: none;
    animation: scanLines 8s linear infinite;
}

@keyframes scanLines {
    0% { transform: translateY(0); }
    100% { transform: translateY(100px); }
}

/* ═══════════════════════════════════════════════════════════════════════════════════════
   3. MAIN PANEL — TACTICAL HUD FRAME
   ═══════════════════════════════════════════════════════════════════════════════════════ */

.ask-book-chat__panel {
    position: relative;
    width: 100%;
    max-width: 480px;
    height: 85vh;
    max-height: 720px;
    background: linear-gradient(180deg, var(--tac-surface-elevated) 0%, var(--tac-surface) 100%);
    border: 1px solid var(--tac-border);
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: translateY(30px) scale(0.95);
    transition: transform 0.5s var(--tac-ease);

    /* Tactical glow */
    box-shadow:
        0 0 0 1px var(--tac-border),
        0 0 60px rgba(0, 255, 136, 0.08),
        0 30px 60px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.ask-book-chat.active .ask-book-chat__panel {
    transform: translateY(0) scale(1);
}

/* HUD Corner Brackets */
.ask-book-chat__panel::before,
.ask-book-chat__panel::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--tac-green);
    z-index: 10;
    pointer-events: none;
    opacity: 0.6;
}

.ask-book-chat__panel::before {
    top: 8px;
    left: 8px;
    border-right: none;
    border-bottom: none;
}

.ask-book-chat__panel::after {
    top: 8px;
    right: 8px;
    border-left: none;
    border-bottom: none;
}

/* Bottom corners via pseudo-element on inner wrapper */
.ask-book-chat__messages::before,
.ask-book-chat__messages::after {
    content: '';
    position: fixed;
    width: 20px;
    height: 20px;
    border: 2px solid var(--tac-green);
    z-index: 10;
    pointer-events: none;
    opacity: 0.6;
}

/* ═══════════════════════════════════════════════════════════════════════════════════════
   4. HEADER — COMMAND CENTER
   ═══════════════════════════════════════════════════════════════════════════════════════ */

.ask-book-chat__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: linear-gradient(180deg, rgba(0, 255, 136, 0.05) 0%, transparent 100%);
    border-bottom: 1px solid var(--tac-border);
    position: relative;
}

/* Status LED strip */
.ask-book-chat__header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--tac-green) 20%,
        var(--tac-green) 80%,
        transparent 100%
    );
    opacity: 0.8;
    animation: headerPulse 3s ease-in-out infinite;
}

@keyframes headerPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.ask-book-chat__header-info {
    display: flex;
    align-items: center;
    gap: 14px;
}

/* Avatar — Tactical emblem */
.ask-book-chat__avatar {
    width: 44px;
    height: 44px;
    background: var(--tac-void);
    border: 2px solid var(--tac-green);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tac-green);
    position: relative;
    box-shadow:
        0 0 20px var(--tac-green-glow),
        inset 0 0 15px rgba(0, 255, 136, 0.1);
}

.ask-book-chat__avatar::before {
    content: '';
    position: absolute;
    inset: 2px;
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: 2px;
}

.ask-book-chat__avatar svg {
    width: 22px;
    height: 22px;
    filter: drop-shadow(0 0 6px var(--tac-green));
}

/* Title block */
.ask-book-chat__header-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ask-book-chat__title {
    font-family: var(--tac-font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--tac-text);
    margin: 0;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.ask-book-chat__subtitle {
    font-family: var(--tac-font-mono);
    font-size: 0.6rem;
    color: var(--tac-green);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Status LED indicator */
.ask-book-chat__subtitle::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--tac-green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--tac-green);
    animation: statusBlink 2s ease-in-out infinite;
}

@keyframes statusBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Header buttons */
.ask-book-chat__clear-btn {
    font-family: var(--tac-font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--tac-text-dim);
    background: transparent;
    border: 1px solid var(--tac-border);
    border-radius: 2px;
    padding: 8px 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.ask-book-chat__clear-btn:hover {
    background: rgba(255, 68, 68, 0.1);
    border-color: var(--tac-red);
    color: var(--tac-red);
}

.ask-book-chat__close {
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--tac-border);
    border-radius: 2px;
    color: var(--tac-text-dim);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    margin-left: 8px;
}

.ask-book-chat__close:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--tac-text-dim);
    color: var(--tac-text);
}

/* ═══════════════════════════════════════════════════════════════════════════════════════
   5. MESSAGES CONTAINER — INTELLIGENCE FEED
   ═══════════════════════════════════════════════════════════════════════════════════════ */

.ask-book-chat__messages {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    background:
        linear-gradient(180deg, transparent 0%, rgba(0, 255, 136, 0.02) 100%),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 50px,
            rgba(0, 255, 136, 0.02) 50px,
            rgba(0, 255, 136, 0.02) 51px
        );
}

/* Custom scrollbar */
.ask-book-chat__messages::-webkit-scrollbar {
    width: 4px;
}

.ask-book-chat__messages::-webkit-scrollbar-track {
    background: rgba(0, 255, 136, 0.05);
}

.ask-book-chat__messages::-webkit-scrollbar-thumb {
    background: var(--tac-green);
    border-radius: 0;
    box-shadow: 0 0 10px var(--tac-green-glow);
}

/* ═══════════════════════════════════════════════════════════════════════════════════════
   6. WELCOME SCREEN — BRIEFING INTERFACE
   ═══════════════════════════════════════════════════════════════════════════════════════ */

.ask-book-chat__welcome {
    text-align: center;
    padding: 32px 24px 24px;
    position: relative;
}

.ask-book-chat__welcome-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    background: var(--tac-void);
    border: 2px solid var(--tac-gold);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tac-gold);
    position: relative;
    box-shadow:
        0 0 40px var(--tac-gold-glow),
        inset 0 0 20px rgba(212, 168, 75, 0.1);
}

/* Rotating border animation */
.ask-book-chat__welcome-icon::before {
    content: '';
    position: absolute;
    inset: -6px;
    border: 1px solid transparent;
    border-radius: 8px;
    background: linear-gradient(var(--tac-void), var(--tac-void)) padding-box,
                linear-gradient(45deg, var(--tac-gold), transparent, var(--tac-gold)) border-box;
    animation: rotateBorder 4s linear infinite;
}

@keyframes rotateBorder {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.ask-book-chat__welcome-icon svg {
    width: 32px;
    height: 32px;
    filter: drop-shadow(0 0 10px var(--tac-gold));
    position: relative;
    z-index: 1;
}

.ask-book-chat__welcome-title {
    font-family: var(--tac-font-mono);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--tac-gold);
    margin: 0 0 16px 0;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-shadow: 0 0 20px var(--tac-gold-glow);
}

.ask-book-chat__welcome-text {
    font-family: var(--tac-font-body);
    font-size: 1rem;
    color: var(--tac-text-dim);
    line-height: 1.7;
    margin: 0 auto;
    max-width: 340px;
}

.ask-book-chat__welcome-text strong {
    color: var(--tac-gold);
    font-weight: 600;
}

/* ═══════════════════════════════════════════════════════════════════════════════════════
   7. SUGGESTIONS — QUICK ACCESS PROTOCOLS
   ═══════════════════════════════════════════════════════════════════════════════════════ */

.ask-book-chat__suggestions {
    padding: 0;
    margin-top: 8px;
}

.ask-book-chat__suggestions-label {
    font-family: var(--tac-font-mono);
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--tac-green);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.ask-book-chat__suggestions-label::before {
    content: '>';
    color: var(--tac-green);
}

.ask-book-chat__suggestions-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--tac-border), transparent);
}

.ask-book-chat__suggestions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.ask-book-chat__suggestion {
    font-family: var(--tac-font-mono);
    font-size: 0.68rem;
    font-weight: 400;
    color: var(--tac-text);
    background: rgba(0, 255, 136, 0.03);
    border: 1px solid var(--tac-border);
    border-left: 3px solid var(--tac-green);
    border-radius: 0 4px 4px 0;
    padding: 14px 16px;
    cursor: pointer;
    transition: all 0.25s var(--tac-ease);
    text-align: left;
    line-height: 1.4;
    position: relative;
    overflow: hidden;
}

.ask-book-chat__suggestion::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(0, 255, 136, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.ask-book-chat__suggestion:hover {
    background: rgba(0, 255, 136, 0.08);
    border-color: var(--tac-green);
    color: var(--tac-green);
    transform: translateX(4px);
    box-shadow:
        0 0 20px var(--tac-green-glow),
        inset 0 0 20px rgba(0, 255, 136, 0.05);
}

.ask-book-chat__suggestion:hover::before {
    transform: translateX(0);
}

.ask-book-chat__suggestion:active {
    transform: translateX(2px) scale(0.98);
}

/* ═══════════════════════════════════════════════════════════════════════════════════════
   8. MESSAGES — TACTICAL DATA BLOCKS
   ═══════════════════════════════════════════════════════════════════════════════════════ */

.ask-book-chat__message {
    max-width: 90%;
    animation: messageEntry 0.4s var(--tac-ease) forwards;
    opacity: 0;
}

@keyframes messageEntry {
    from {
        opacity: 0;
        transform: translateY(15px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* User message */
.ask-book-chat__message--user {
    align-self: flex-end;
}

.ask-book-chat__message--user .ask-book-chat__message-content {
    background: linear-gradient(135deg, var(--tac-gold) 0%, #a67c35 100%);
    color: var(--tac-void);
    border: none;
    border-radius: 4px 4px 0 4px;
    position: relative;
}

.ask-book-chat__message--user .ask-book-chat__message-content::before {
    content: 'QUERY';
    position: absolute;
    top: -18px;
    right: 0;
    font-family: var(--tac-font-mono);
    font-size: 0.55rem;
    font-weight: 700;
    color: var(--tac-gold);
    letter-spacing: 0.1em;
}

/* AI message */
.ask-book-chat__message--ai {
    align-self: flex-start;
}

.ask-book-chat__message--ai .ask-book-chat__message-content {
    background: rgba(0, 255, 136, 0.03);
    border: 1px solid var(--tac-border);
    border-left: 3px solid var(--tac-green);
    border-radius: 0 4px 4px 4px;
    color: var(--tac-text);
    position: relative;
}

.ask-book-chat__message--ai .ask-book-chat__message-content::before {
    content: 'INTELLIGENCE RESPONSE';
    position: absolute;
    top: -18px;
    left: 0;
    font-family: var(--tac-font-mono);
    font-size: 0.55rem;
    font-weight: 700;
    color: var(--tac-green);
    letter-spacing: 0.1em;
}

.ask-book-chat__message-content {
    padding: 16px 18px;
    font-family: var(--tac-font-body);
    font-size: 0.95rem;
    line-height: 1.7;
}

.ask-book-chat__message-content strong {
    color: var(--tac-gold);
    font-weight: 600;
}

/* Message metadata */
.ask-book-chat__message-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--tac-border);
}

.ask-book-chat__message-time {
    font-family: var(--tac-font-mono);
    font-size: 0.55rem;
    color: var(--tac-text-faint);
    letter-spacing: 0.1em;
}

.ask-book-chat__message-actions {
    display: flex;
    gap: 8px;
}

.ask-book-chat__message-action {
    width: 28px;
    height: 28px;
    background: transparent;
    border: 1px solid var(--tac-border);
    border-radius: 2px;
    color: var(--tac-text-faint);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.ask-book-chat__message-action:hover {
    background: rgba(0, 255, 136, 0.1);
    border-color: var(--tac-green);
    color: var(--tac-green);
}

.ask-book-chat__message-action svg {
    width: 14px;
    height: 14px;
}

/* ═══════════════════════════════════════════════════════════════════════════════════════
   9. TYPING INDICATOR — PROCESSING ANIMATION
   ═══════════════════════════════════════════════════════════════════════════════════════ */

.ask-book-chat__typing {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: rgba(0, 255, 136, 0.03);
    border: 1px solid var(--tac-border);
    border-left: 3px solid var(--tac-green);
    border-radius: 0 4px 4px 4px;
    animation: messageEntry 0.3s var(--tac-ease) forwards;
}

.ask-book-chat__typing-label {
    font-family: var(--tac-font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--tac-green);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.ask-book-chat__typing-dots {
    display: flex;
    gap: 4px;
}

.ask-book-chat__typing-dot {
    width: 6px;
    height: 6px;
    background: var(--tac-green);
    border-radius: 50%;
    animation: typingPulse 1.4s ease-in-out infinite;
    box-shadow: 0 0 8px var(--tac-green-glow);
}

.ask-book-chat__typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.ask-book-chat__typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingPulse {
    0%, 60%, 100% {
        transform: scale(1);
        opacity: 0.4;
    }
    30% {
        transform: scale(1.3);
        opacity: 1;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════════════════
   10. INPUT AREA — COMMAND LINE INTERFACE
   ═══════════════════════════════════════════════════════════════════════════════════════ */

.ask-book-chat__input-area {
    padding: 16px 20px 20px;
    background: linear-gradient(0deg, rgba(0, 255, 136, 0.03) 0%, transparent 100%);
    border-top: 1px solid var(--tac-border);
}

.ask-book-chat__input-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--tac-void);
    border: 2px solid var(--tac-border);
    border-radius: 4px;
    padding: 4px;
    transition: all 0.3s ease;
}

.ask-book-chat__input-wrapper:focus-within {
    border-color: var(--tac-green);
    box-shadow:
        0 0 0 4px rgba(0, 255, 136, 0.1),
        0 0 30px var(--tac-green-glow);
}

.ask-book-chat__input {
    flex: 1;
    background: transparent;
    border: none;
    font-family: var(--tac-font-mono);
    font-size: 0.85rem;
    color: var(--tac-text);
    padding: 12px 16px;
    outline: none;
}

.ask-book-chat__input::placeholder {
    color: var(--tac-text-faint);
    font-style: normal;
}

/* Voice button */
.ask-book-chat__mic-btn {
    width: 44px;
    height: 44px;
    background: transparent;
    border: 1px solid var(--tac-border);
    border-radius: 4px;
    color: var(--tac-text-dim);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.ask-book-chat__mic-btn:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--tac-cyan);
    color: var(--tac-cyan);
}

.ask-book-chat__mic-btn.active {
    background: rgba(255, 68, 68, 0.1);
    border-color: var(--tac-red);
    color: var(--tac-red);
    animation: micPulse 1s ease-in-out infinite;
}

@keyframes micPulse {
    0%, 100% { box-shadow: 0 0 0 0 var(--tac-red-glow); }
    50% { box-shadow: 0 0 0 8px transparent; }
}

.ask-book-chat__mic-btn svg {
    width: 20px;
    height: 20px;
}

/* Send button */
.ask-book-chat__send {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--tac-gold) 0%, #a67c35 100%);
    border: none;
    border-radius: 4px;
    color: var(--tac-void);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    box-shadow: 0 0 20px var(--tac-gold-glow);
}

.ask-book-chat__send:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px var(--tac-gold-glow);
}

.ask-book-chat__send:active {
    transform: scale(0.95);
}

.ask-book-chat__send svg {
    width: 20px;
    height: 20px;
}

/* Input hints */
.ask-book-chat__input-hint {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 12px;
    padding: 0 4px;
}

.ask-book-chat__mode-toggle {
    display: flex;
    align-items: center;
}

.ask-book-chat__mode-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.ask-book-chat__mode-checkbox {
    appearance: none;
    width: 14px;
    height: 14px;
    background: var(--tac-void);
    border: 2px solid var(--tac-border);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
    transition: all 0.2s ease;
}

.ask-book-chat__mode-checkbox:checked {
    background: var(--tac-green);
    border-color: var(--tac-green);
    box-shadow: 0 0 10px var(--tac-green-glow);
}

.ask-book-chat__mode-checkbox:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--tac-void);
    font-size: 10px;
    font-weight: bold;
}

.ask-book-chat__mode-text {
    font-family: var(--tac-font-mono);
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--tac-green);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.ask-book-chat__powered {
    font-family: var(--tac-font-mono);
    font-size: 0.55rem;
    color: var(--tac-text-faint);
    letter-spacing: 0.05em;
}

/* ═══════════════════════════════════════════════════════════════════════════════════════
   11. SOURCES DISPLAY
   ═══════════════════════════════════════════════════════════════════════════════════════ */

.ask-book-chat__sources {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px dashed var(--tac-border);
}

.ask-book-chat__sources-label {
    font-family: var(--tac-font-mono);
    font-size: 0.55rem;
    font-weight: 700;
    color: var(--tac-amber);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 8px;
}

.ask-book-chat__sources-label::before {
    content: '📎';
    font-size: 0.7rem;
}

.ask-book-chat__source-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--tac-font-mono);
    font-size: 0.6rem;
    color: var(--tac-text-dim);
    background: rgba(255, 170, 0, 0.08);
    border: 1px solid rgba(255, 170, 0, 0.2);
    border-radius: 2px;
    padding: 4px 8px;
    margin: 4px 4px 0 0;
}

/* ═══════════════════════════════════════════════════════════════════════════════════════
   12. ERROR STATE
   ═══════════════════════════════════════════════════════════════════════════════════════ */

.ask-book-chat__error {
    background: rgba(255, 68, 68, 0.08);
    border: 1px solid var(--tac-red);
    border-radius: 4px;
    padding: 16px;
    text-align: center;
}

.ask-book-chat__error-icon {
    color: var(--tac-red);
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.ask-book-chat__error-text {
    font-family: var(--tac-font-mono);
    font-size: 0.75rem;
    color: var(--tac-red);
}

.ask-book-chat__error-retry {
    font-family: var(--tac-font-mono);
    font-size: 0.65rem;
    color: var(--tac-text);
    background: var(--tac-red);
    border: none;
    border-radius: 2px;
    padding: 8px 16px;
    margin-top: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ask-book-chat__error-retry:hover {
    background: #ff6666;
}

/* ═══════════════════════════════════════════════════════════════════════════════════════
   13. FLOATING ACTION BUTTON — TACTICAL TRIGGER
   ═══════════════════════════════════════════════════════════════════════════════════════ */

.ask-book-fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--tac-gold) 0%, #a67c35 100%);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tac-void);
    z-index: 9999;
    transition: all 0.3s var(--tac-ease);
    box-shadow:
        0 0 30px var(--tac-gold-glow),
        0 10px 30px rgba(0, 0, 0, 0.3);
}

.ask-book-fab:hover {
    transform: scale(1.08);
    box-shadow:
        0 0 50px var(--tac-gold-glow),
        0 15px 40px rgba(0, 0, 0, 0.4);
}

.ask-book-fab:active {
    transform: scale(0.95);
}

.ask-book-fab__icon {
    width: 26px;
    height: 26px;
    transition: transform 0.3s ease;
}

.ask-book-fab:hover .ask-book-fab__icon {
    transform: scale(1.1);
}

.ask-book-fab__pulse {
    position: absolute;
    inset: -4px;
    border: 2px solid var(--tac-gold);
    border-radius: 6px;
    animation: fabPulse 2s ease-in-out infinite;
}

@keyframes fabPulse {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 0;
        transform: scale(1.3);
    }
}

/* ═══════════════════════════════════════════════════════════════════════════════════════
   14. MOBILE RESPONSIVE — FIELD DEPLOYMENT MODE
   ═══════════════════════════════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
    .ask-book-chat {
        padding: 0;
    }

    .ask-book-chat__panel {
        max-width: 100%;
        height: 100%;
        max-height: 100%;
        border-radius: 0;
        border: none;
    }

    .ask-book-chat__panel::before,
    .ask-book-chat__panel::after {
        display: none;
    }

    .ask-book-chat__header {
        padding: 14px 16px;
        padding-top: calc(14px + env(safe-area-inset-top, 0px));
    }

    .ask-book-chat__avatar {
        width: 40px;
        height: 40px;
    }

    .ask-book-chat__title {
        font-size: 0.75rem;
    }

    .ask-book-chat__subtitle {
        font-size: 0.55rem;
    }

    .ask-book-chat__clear-btn {
        padding: 6px 10px;
        font-size: 0.6rem;
    }

    .ask-book-chat__close {
        width: 36px;
        height: 36px;
    }

    .ask-book-chat__messages {
        padding: 20px 16px;
    }

    .ask-book-chat__welcome {
        padding: 24px 16px 20px;
    }

    .ask-book-chat__welcome-icon {
        width: 60px;
        height: 60px;
    }

    .ask-book-chat__welcome-title {
        font-size: 0.8rem;
    }

    .ask-book-chat__welcome-text {
        font-size: 0.9rem;
    }

    .ask-book-chat__suggestions-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .ask-book-chat__suggestion {
        padding: 14px 12px;
        font-size: 0.7rem;
        white-space: normal;
        text-align: center;
        line-height: 1.35;
        min-height: 56px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .ask-book-chat__message {
        max-width: 95%;
    }

    .ask-book-chat__message-content {
        padding: 14px 16px;
        font-size: 0.9rem;
    }

    .ask-book-chat__input-area {
        padding: 12px 16px;
        padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    }

    .ask-book-chat__input-wrapper {
        gap: 8px;
    }

    .ask-book-chat__input {
        padding: 10px 12px;
        font-size: 16px; /* Prevents iOS zoom */
    }

    .ask-book-chat__mic-btn {
        width: 40px;
        height: 40px;
    }

    .ask-book-chat__send {
        width: 44px;
        height: 44px;
    }

    .ask-book-chat__input-hint {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    /* FAB positioning */
    .ask-book-fab {
        bottom: 16px;
        right: 16px;
        width: 56px;
        height: 56px;
        bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    }
}

/* ═══════════════════════════════════════════════════════════════════════════════════════
   15. REDUCED MOTION
   ═══════════════════════════════════════════════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
    .ask-book-chat,
    .ask-book-chat__panel,
    .ask-book-fab,
    .ask-book-chat__suggestion,
    .ask-book-chat__message {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }

    .ask-book-chat__backdrop::before,
    .ask-book-fab__pulse,
    .ask-book-chat__welcome-icon::before,
    .ask-book-chat__header::before,
    .ask-book-chat__subtitle::before,
    .ask-book-chat__typing-dot {
        animation: none !important;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════════════════
   16. PRINT STYLES
   ═══════════════════════════════════════════════════════════════════════════════════════ */

@media print {
    .ask-book-chat,
    .ask-book-fab {
        display: none !important;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════════════════
   17. SCROLL FIX — CRITICAL FOR DESKTOP
   Ensures messages container scrolls properly on all devices
   ═══════════════════════════════════════════════════════════════════════════════════════ */

/* Override any conflicting overflow settings */
.ask-book-chat__panel {
    overflow: visible !important;
}

.ask-book-chat__messages {
    flex: 1 1 auto !important;
    min-height: 0 !important; /* Critical for flex scroll */
    overflow-y: auto !important;
    overflow-x: hidden !important;
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
    overscroll-behavior: contain;
}

/* Ensure panel flex container works correctly */
@media (min-width: 769px) {
    .ask-book-chat__panel {
        display: flex !important;
        flex-direction: column !important;
        overflow: hidden !important;
    }

    .ask-book-chat__header {
        flex: 0 0 auto !important;
    }

    .ask-book-chat__messages {
        flex: 1 1 0 !important;
        min-height: 0 !important;
    }

    .ask-book-chat__input-area {
        flex: 0 0 auto !important;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════════════════
   18. FULLSCREEN MODE — DESKTOP/TABLET EXPANSION
   Toggle to expand chat to full viewport
   ═══════════════════════════════════════════════════════════════════════════════════════ */

/* Fullscreen toggle button */
.ask-book-chat__fullscreen-btn {
    width: 36px;
    height: 36px;
    background: transparent;
    border: 1px solid var(--tac-border);
    border-radius: 4px;
    color: var(--tac-text-dim);
    cursor: pointer;
    display: none; /* Hidden on mobile */
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    margin-right: 8px;
}

.ask-book-chat__fullscreen-btn:hover {
    background: rgba(0, 255, 136, 0.1);
    border-color: var(--tac-green);
    color: var(--tac-green);
}

.ask-book-chat__fullscreen-btn svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}

/* Show fullscreen button on desktop/tablet */
@media (min-width: 769px) {
    .ask-book-chat__fullscreen-btn {
        display: flex;
    }
}

/* Fullscreen state */
.ask-book-chat.fullscreen .ask-book-chat__panel {
    max-width: 100% !important;
    width: 100% !important;
    height: 100% !important;
    max-height: 100% !important;
    border-radius: 0 !important;
    border: none !important;
}

.ask-book-chat.fullscreen .ask-book-chat__panel::before,
.ask-book-chat.fullscreen .ask-book-chat__panel::after {
    display: none;
}

.ask-book-chat.fullscreen .ask-book-chat__messages {
    max-height: none !important;
    padding: 32px 10%;
}

.ask-book-chat.fullscreen .ask-book-chat__message {
    max-width: 800px !important;
}

.ask-book-chat.fullscreen .ask-book-chat__input-area {
    padding: 20px 10%;
}

.ask-book-chat.fullscreen .ask-book-chat__input-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

/* Fullscreen icon rotation */
.ask-book-chat.fullscreen .ask-book-chat__fullscreen-btn svg {
    transform: rotate(45deg);
}

/* ═══════════════════════════════════════════════════════════════════════════════════════
   19. ELEGANT AI FAILURE HANDLING
   Graceful error states with retry, fallback, and diagnostic info
   ═══════════════════════════════════════════════════════════════════════════════════════ */

.ask-book-chat__error {
    position: relative;
    background: linear-gradient(135deg, rgba(255, 68, 68, 0.08) 0%, rgba(255, 68, 68, 0.03) 100%);
    border: 1px solid rgba(255, 68, 68, 0.3);
    border-left: 3px solid var(--tac-red);
    border-radius: 0 8px 8px 0;
    padding: 20px;
    margin: 8px 0;
    animation: errorSlideIn 0.4s var(--tac-ease);
}

@keyframes errorSlideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.ask-book-chat__error-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.ask-book-chat__error-icon {
    width: 32px;
    height: 32px;
    background: rgba(255, 68, 68, 0.15);
    border: 1px solid rgba(255, 68, 68, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tac-red);
    font-size: 1rem;
    animation: errorPulse 2s ease-in-out infinite;
}

@keyframes errorPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 68, 68, 0.3); }
    50% { box-shadow: 0 0 0 8px rgba(255, 68, 68, 0); }
}

.ask-book-chat__error-title {
    font-family: var(--tac-font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--tac-red);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin: 0;
}

.ask-book-chat__error-subtitle {
    font-family: var(--tac-font-mono);
    font-size: 0.65rem;
    color: var(--tac-text-faint);
    letter-spacing: 0.05em;
    margin-top: 2px;
}

.ask-book-chat__error-message {
    font-family: var(--tac-font-body);
    font-size: 0.9rem;
    color: var(--tac-text-dim);
    line-height: 1.6;
    margin-bottom: 16px;
}

.ask-book-chat__error-details {
    font-family: var(--tac-font-mono);
    font-size: 0.65rem;
    color: var(--tac-text-faint);
    background: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
    padding: 8px 12px;
    margin-bottom: 16px;
    overflow-x: auto;
}

.ask-book-chat__error-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.ask-book-chat__error-retry {
    font-family: var(--tac-font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--tac-void);
    background: var(--tac-gold);
    border: none;
    border-radius: 4px;
    padding: 10px 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ask-book-chat__error-retry:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--tac-gold-glow);
}

.ask-book-chat__error-retry:active {
    transform: translateY(0);
}

.ask-book-chat__error-retry svg {
    width: 14px;
    height: 14px;
}

.ask-book-chat__error-dismiss {
    font-family: var(--tac-font-mono);
    font-size: 0.7rem;
    color: var(--tac-text-dim);
    background: transparent;
    border: 1px solid var(--tac-border);
    border-radius: 4px;
    padding: 10px 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.ask-book-chat__error-dismiss:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--tac-text-dim);
}

/* Error types - different colors/icons for different failures */
.ask-book-chat__error--network {
    border-left-color: var(--tac-amber);
}

.ask-book-chat__error--network .ask-book-chat__error-icon {
    background: rgba(255, 170, 0, 0.15);
    border-color: rgba(255, 170, 0, 0.3);
    color: var(--tac-amber);
}

.ask-book-chat__error--network .ask-book-chat__error-title {
    color: var(--tac-amber);
}

.ask-book-chat__error--timeout {
    border-left-color: var(--tac-cyan);
}

.ask-book-chat__error--timeout .ask-book-chat__error-icon {
    background: rgba(0, 212, 255, 0.15);
    border-color: rgba(0, 212, 255, 0.3);
    color: var(--tac-cyan);
}

.ask-book-chat__error--timeout .ask-book-chat__error-title {
    color: var(--tac-cyan);
}

/* ═══════════════════════════════════════════════════════════════════════════════════════
   20. MESSAGE DISPLAY IMPROVEMENTS
   Better rendering of AI responses with code, lists, quotes
   ═══════════════════════════════════════════════════════════════════════════════════════ */

/* Message content - ensure proper overflow handling */
.ask-book-chat__message-content {
    overflow-wrap: break-word;
    word-wrap: break-word;
    word-break: break-word;
    hyphens: auto;
}

/* Headings in messages */
.ask-book-chat__message-content h1,
.ask-book-chat__message-content h2,
.ask-book-chat__message-content h3,
.ask-book-chat__message-content h4 {
    font-family: var(--tac-font-display);
    color: var(--tac-gold);
    margin: 16px 0 8px 0;
    line-height: 1.3;
}

.ask-book-chat__message-content h1 { font-size: 1.2rem; }
.ask-book-chat__message-content h2 { font-size: 1.1rem; }
.ask-book-chat__message-content h3 { font-size: 1rem; }
.ask-book-chat__message-content h4 { font-size: 0.9rem; }

/* Paragraphs */
.ask-book-chat__message-content p {
    margin: 0 0 12px 0;
    line-height: 1.7;
}

.ask-book-chat__message-content p:last-child {
    margin-bottom: 0;
}

/* Lists */
.ask-book-chat__message-content ul,
.ask-book-chat__message-content ol {
    margin: 12px 0;
    padding-left: 20px;
}

.ask-book-chat__message-content li {
    margin-bottom: 6px;
    line-height: 1.6;
}

.ask-book-chat__message-content li::marker {
    color: var(--tac-green);
}

/* Inline code */
.ask-book-chat__message-content code {
    font-family: var(--tac-font-mono);
    font-size: 0.85em;
    background: rgba(0, 255, 136, 0.08);
    border: 1px solid rgba(0, 255, 136, 0.15);
    border-radius: 4px;
    padding: 2px 6px;
    color: var(--tac-green);
}

/* Code blocks */
.ask-book-chat__message-content pre {
    background: var(--tac-void);
    border: 1px solid var(--tac-border);
    border-left: 3px solid var(--tac-green);
    border-radius: 0 4px 4px 0;
    padding: 12px 16px;
    margin: 12px 0;
    overflow-x: auto;
    font-family: var(--tac-font-mono);
    font-size: 0.8rem;
    line-height: 1.5;
}

.ask-book-chat__message-content pre code {
    background: transparent;
    border: none;
    padding: 0;
    color: var(--tac-text);
}

/* Blockquotes */
.ask-book-chat__message-content blockquote {
    border-left: 3px solid var(--tac-gold);
    margin: 12px 0;
    padding: 8px 16px;
    background: rgba(212, 168, 75, 0.05);
    font-style: italic;
    color: var(--tac-text-dim);
}

.ask-book-chat__message-content blockquote p {
    margin: 0;
}

/* Bold and emphasis */
.ask-book-chat__message-content strong {
    color: var(--tac-gold);
    font-weight: 600;
}

.ask-book-chat__message-content em {
    color: var(--tac-text);
    font-style: italic;
}

/* Links */
.ask-book-chat__message-content a {
    color: var(--tac-green);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color 0.2s ease;
}

.ask-book-chat__message-content a:hover {
    color: var(--tac-gold);
}

/* ═══════════════════════════════════════════════════════════════════════════════════════
   21. CONSENSUS BADGE — COUNCIL AGREEMENT INDICATOR
   ═══════════════════════════════════════════════════════════════════════════════════════ */

.ask-book-chat__consensus-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--tac-font-mono);
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--tac-green);
    background: rgba(0, 255, 136, 0.08);
    border: 1px solid rgba(0, 255, 136, 0.25);
    border-radius: 4px;
    padding: 6px 10px;
    margin-bottom: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.ask-book-chat__consensus-badge::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    background: var(--tac-green);
    color: var(--tac-void);
    border-radius: 50%;
    font-size: 0.5rem;
}

/* ═══════════════════════════════════════════════════════════════════════════════════════
   22. ACTION BUTTONS — LISTEN, COPY, SHARE
   ═══════════════════════════════════════════════════════════════════════════════════════ */

.ask-book-chat__message-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--tac-border);
    flex-wrap: wrap;
}

.ask-book-chat__listen-btn,
.ask-book-chat__copy-btn,
.ask-book-chat__share-btn {
    font-family: var(--tac-font-mono);
    font-size: 0.6rem;
    color: var(--tac-text-dim);
    background: transparent;
    border: 1px solid var(--tac-border);
    border-radius: 4px;
    padding: 6px 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.ask-book-chat__listen-btn:hover,
.ask-book-chat__copy-btn:hover,
.ask-book-chat__share-btn:hover {
    background: rgba(0, 255, 136, 0.08);
    border-color: var(--tac-green);
    color: var(--tac-green);
}

.ask-book-chat__copy-btn.copied {
    background: rgba(0, 255, 136, 0.15);
    border-color: var(--tac-green);
    color: var(--tac-green);
}

.ask-book-chat__listen-btn svg,
.ask-book-chat__copy-btn svg,
.ask-book-chat__share-btn svg {
    width: 12px;
    height: 12px;
}

/* ═══════════════════════════════════════════════════════════════════════════════════════
   23. FEEDBACK SECTION
   ═══════════════════════════════════════════════════════════════════════════════════════ */

.ask-book-chat__feedback {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--tac-border);
}

.ask-book-chat__feedback-label {
    font-family: var(--tac-font-mono);
    font-size: 0.55rem;
    color: var(--tac-text-faint);
    letter-spacing: 0.05em;
}

.ask-book-chat__feedback-btn {
    width: 28px;
    height: 28px;
    background: transparent;
    border: 1px solid var(--tac-border);
    border-radius: 4px;
    color: var(--tac-text-faint);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.ask-book-chat__feedback-btn:hover {
    background: rgba(0, 255, 136, 0.08);
    border-color: var(--tac-green);
    color: var(--tac-green);
}

.ask-book-chat__feedback-btn[data-feedback="down"]:hover {
    background: rgba(255, 68, 68, 0.08);
    border-color: var(--tac-red);
    color: var(--tac-red);
}

.ask-book-chat__feedback-btn svg {
    width: 14px;
    height: 14px;
}

.ask-book-chat__feedback-thanks {
    font-family: var(--tac-font-mono);
    font-size: 0.6rem;
    color: var(--tac-green);
    letter-spacing: 0.05em;
}

/* ═══════════════════════════════════════════════════════════════════════════════════════
   24. RELATED QUESTIONS
   ═══════════════════════════════════════════════════════════════════════════════════════ */

.ask-book-chat__related {
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px dashed var(--tac-border);
}

.ask-book-chat__related-label {
    font-family: var(--tac-font-mono);
    font-size: 0.55rem;
    font-weight: 700;
    color: var(--tac-cyan);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 10px;
}

.ask-book-chat__related-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.ask-book-chat__related-btn {
    font-family: var(--tac-font-mono);
    font-size: 0.65rem;
    color: var(--tac-text-dim);
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 4px;
    padding: 8px 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
    line-height: 1.4;
}

.ask-book-chat__related-btn:hover {
    background: rgba(0, 212, 255, 0.12);
    border-color: var(--tac-cyan);
    color: var(--tac-cyan);
}