/* ==========================================
   THINK BOX - AI Reasoning Display
   Premium & Feature-Complete Version
   ========================================== */

.think-box {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    margin: 12px 0 18px 0;
    overflow: hidden;
    transition: all 0.25s ease;
}

/* ==========================================
   SUMMARY HEADER (Clickable Area)
   ========================================== */
.think-box summary {
    padding: 12px 16px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    list-style: none;
    transition: all 0.2s ease;
    user-select: none;
    background: rgba(255, 255, 255, 0.01);
}

/* Remove default markers for all browsers */
.think-box summary::-webkit-details-marker {
    display: none;
}
.think-box summary::marker {
    display: none;
}

.think-box summary:hover {
    color: var(--text-primary);
    background: rgba(6, 182, 212, 0.08);
}

/* Active/Open state styling */
.think-box[open] summary {
    color: var(--accent-cyan);
    border-bottom: 1px solid rgba(6, 182, 212, 0.2);
    background: rgba(6, 182, 212, 0.05);
}

/* ==========================================
   ICONS & STATUS INDICATORS
   ========================================== */
.think-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

/* Animated thinking state */
.think-box.thinking .think-icon {
    animation: thinkPulse 1.2s ease-in-out infinite;
    color: var(--accent-cyan);
}

@keyframes thinkPulse {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.15);
    }
}

/* Status text next to icon */
.think-status {
    font-size: 0.75rem;
    color: var(--accent-cyan);
    margin-left: auto;
    font-weight: 400;
    letter-spacing: 0.3px;
}

.think-box.thinking .think-status::after {
    content: "Thinking...";
    animation: blinkText 1.5s step-end infinite;
}

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

/* ==========================================
   EXPAND/COLLAPSE INDICATOR (Arrow)
   ========================================== */
.think-expand-icon {
    margin-left: auto;
    font-size: 0.75rem;
    transition: transform 0.2s ease;
    color: var(--text-muted);
}

.think-box[open] .think-expand-icon {
    transform: rotate(180deg);
    color: var(--accent-cyan);
}

/* ==========================================
   CONTENT AREA (The actual thinking text)
   ========================================== */
.think-content {
    padding: 14px 16px 16px 42px;
    font-size: 0.85rem;
    line-height: 1.6;
    color: #a1a1aa;
    border-top: 1px solid transparent;
    transition: all 0.2s ease;
}

.think-box[open] .think-content {
    border-top-color: rgba(255, 255, 255, 0.06);
    background: rgba(0, 0, 0, 0.15);
}

/* Thinking text styling */
.think-content p {
    margin-bottom: 8px;
}

.think-content p:last-child {
    margin-bottom: 0;
}

/* Code inside thinking box (smaller, muted) */
.think-content code {
    background: rgba(255, 255, 255, 0.05);
    padding: 2px 5px;
    border-radius: 4px;
    font-size: 0.8rem;
    color: #c084fc;
}

.think-content pre {
    background: rgba(0, 0, 0, 0.3);
    padding: 8px 12px;
    border-radius: 8px;
    overflow-x: auto;
    font-size: 0.75rem;
    margin: 8px 0;
}

/* ==========================================
   LOADING ANIMATION (While AI is thinking)
   ========================================== */
.think-loading {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 0;
}

.think-loading-dot {
    width: 6px;
    height: 6px;
    background: var(--accent-cyan);
    border-radius: 50%;
    animation: thinkLoadingDot 1.2s ease-in-out infinite;
}

.think-loading-dot:nth-child(2) {
    animation-delay: 0.2s;
}
.think-loading-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes thinkLoadingDot {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-6px);
        opacity: 1;
    }
}

/* ==========================================
   THINK BOX VARIANTS
   ========================================== */

/* Error state - when thinking fails */
.think-box.error {
    border-color: rgba(239, 68, 68, 0.4);
    background: rgba(239, 68, 68, 0.05);
}

.think-box.error .think-icon {
    color: #ef4444;
}

.think-box.error summary {
    color: #ef4444;
}

/* Complete state - thinking finished */
.think-box.complete {
    border-color: rgba(16, 185, 129, 0.3);
}

.think-box.complete .think-icon {
    color: #10b981;
}

.think-box.complete[open] summary {
    color: #10b981;
    border-bottom-color: rgba(16, 185, 129, 0.2);
}

/* Compact mode (for long conversations) */
.think-box.compact summary {
    padding: 8px 12px;
    font-size: 0.75rem;
}

.think-box.compact .think-content {
    padding: 8px 12px 12px 36px;
    font-size: 0.75rem;
}

/* ==========================================
   TOOLTIP FOR HOVER
   ========================================== */
.think-box summary {
    position: relative;
}

.think-box summary:hover::after {
    content: "Click to expand/collapse AI reasoning";
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #1e1e22;
    color: var(--text-muted);
    font-size: 0.7rem;
    padding: 4px 10px;
    border-radius: 20px;
    white-space: nowrap;
    z-index: 100;
    pointer-events: none;
    margin-bottom: 8px;
    border: 1px solid var(--border-color);
    font-weight: normal;
}

/* ==========================================
   SCROLLBAR INSIDE THINK CONTENT
   ========================================== */
.think-content::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}

.think-content::-webkit-scrollbar-track {
    background: transparent;
}

.think-content::-webkit-scrollbar-thumb {
    background: #3f3f46;
    border-radius: 10px;
}

/* ==========================================
   DARK MODE ENHANCEMENTS
   ========================================== */
@media (prefers-color-scheme: dark) {
    .think-box {
        background: rgba(0, 0, 0, 0.3);
    }
    
    .think-box[open] .think-content {
        background: rgba(0, 0, 0, 0.2);
    }
}

/* ==========================================
   PRINT STYLES (Optional)
   ========================================== */
@media print {
    .think-box {
        border: 1px solid #ccc;
        break-inside: avoid;
    }
    
    .think-box summary {
        color: #000;
    }
    
    .think-expand-icon {
        display: none;
    }
    
    .think-box[open] .think-content {
        display: block;
    }
}