:root {
    --llm-bg-base: 255, 255, 255;
    --llm-accent: #a5b4fc;
    --llm-accent-dark: #818cf8;
    --llm-text: #1e293b;
    --llm-text-secondary: #64748b;
    --llm-border: rgba(0, 0, 0, 0.1);
    --llm-glass: blur(16px);
    --llm-msg-user-bg: rgba(224, 231, 255, 0.8);
    --llm-msg-ai-bg: rgba(248, 250, 252, 0.8);

    --llm-x: 0px;
    --llm-y: 0px;
    --llm-opacity: 0.85;
}

#llm-proxy-container {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 380px;
    height: min(600px, 85vh);

    transform: translate3d(var(--llm-x), var(--llm-y), 0);
    opacity: var(--llm-opacity);

    /* Semi-transparent background is CRITICAL for glass effect */
    background: rgba(var(--llm-bg-base), 0.4);
    backdrop-filter: var(--llm-glass);
    -webkit-backdrop-filter: var(--llm-glass);

    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    z-index: 2147483647;
    display: flex;
    flex-direction: column;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--llm-text);
    overflow: hidden;
    transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    user-select: none;
}

#llm-proxy-container.dragging {
    /* Disable transitions immediately when dragging */
    transition: none !important;
}

#llm-proxy-container.hidden {
    opacity: 0 !important;
    transform: translate3d(var(--llm-x), calc(var(--llm-y) - 10px), 0) scale(0.9) !important;
    pointer-events: none !important;
}

#llm-proxy-container.no-glass {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: rgba(var(--llm-bg-base), 0.95);
    /* More solid when glass is off */
}

.llm-header {
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.2);
    border-bottom: 1px solid var(--llm-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: grab;
}

.llm-header:active {
    cursor: grabbing;
}

.llm-title {
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.02em;
    color: var(--llm-accent-dark);
    text-transform: uppercase;
    pointer-events: none;
    /* Let clicks pass through to header for easier dragging */
}

.llm-header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.llm-icon-btn {
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
    font-size: 14px;
}

.llm-icon-btn:hover {
    opacity: 1;
}

.llm-body {
    flex: 1;
    padding: 14px;
    overflow-y: hidden;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.llm-chat-log {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow-y: auto;
    padding-right: 4px;
}

.llm-msg {
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.6;
    max-width: 85%;
    word-wrap: break-word;
}

.llm-msg-user {
    align-self: flex-end;
    background: var(--llm-msg-user-bg);
    color: #3730a3;
    border-bottom-right-radius: 4px;
}

.llm-msg-ai {
    align-self: flex-start;
    background: var(--llm-msg-ai-bg);
    color: var(--llm-text);
    border-bottom-left-radius: 4px;
    border: 1px solid var(--llm-border);
}

.llm-collapsible {
    background: rgba(255, 255, 255, 0.3);
    border: 1px solid var(--llm-border);
    border-radius: 12px;
    margin-bottom: 6px;
    overflow: hidden;
}

.llm-collapsible-header {
    padding: 8px 12px;
    font-size: 11px;
    font-weight: 600;
    color: var(--llm-text-secondary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.llm-collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.llm-collapsible-content.expanded {
    max-height: 300px;
    padding: 10px;
    overflow-y: auto;
}

.llm-setting-item {
    margin-bottom: 12px;
}

.llm-setting-label {
    display: block;
    font-size: 10px;
    margin-bottom: 4px;
    color: var(--llm-text-secondary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.llm-select {
    width: 100%;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--llm-border);
    color: var(--llm-text);
    padding: 8px;
    border-radius: 8px;
    font-size: 12px;
    outline: none;
}

.llm-prefix-input {
    width: 100%;
    height: 80px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--llm-border);
    color: var(--llm-text);
    padding: 10px;
    border-radius: 8px;
    font-size: 11px;
    resize: none;
    outline: none;
    font-family: inherit;
}

.llm-input-area {
    padding-top: 5px;
}

.llm-input-container {
    display: flex;
    gap: 8px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--llm-border);
    padding: 6px;
    border-radius: 16px;
    transition: border-color 0.2s;
}

.llm-input-container:focus-within {
    border-color: var(--llm-accent);
}

.llm-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--llm-text);
    padding: 8px;
    font-size: 14px;
    resize: none;
    height: 44px;
    outline: none;
}

.llm-send-btn {
    background: var(--llm-accent);
    border: none;
    color: white;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s;
}

.llm-send-btn:hover {
    background: var(--llm-accent-dark);
}

.llm-footer {
    padding: 10px;
    font-size: 10px;
    color: var(--llm-text-secondary);
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    border-top: 1px solid var(--llm-border);
}

.llm-image-preview {
    display: none;
    padding: 10px;
    background: rgba(255, 255, 255, 0.5);
    border-top: 1px solid var(--llm-border);
    position: relative;
    align-items: center;
    gap: 10px;
}

.llm-image-preview.active {
    display: flex;
}

.llm-thumbnail {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
    border: 1px solid var(--llm-border);
}

.llm-remove-img {
    position: absolute;
    top: 5px;
    left: 65px;
    background: #fb7185;
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.llm-remove-img:hover {
    background: #e11d48;
}

.llm-msg-img {
    max-width: 100%;
    border-radius: 10px;
    margin-top: 8px;
    display: block;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.2);
}

/* ==================== CAPTURE FEATURE STYLES ==================== */

/* Capture Button */
.llm-capture-btn {
    background: transparent;
    border: 1px solid var(--llm-border);
    border-radius: 10px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s, background 0.2s, border-color 0.2s;
    color: var(--llm-text-secondary);
}

.llm-capture-btn:hover {
    opacity: 1;
    background: rgba(165, 180, 252, 0.2);
    border-color: var(--llm-accent);
    color: var(--llm-accent-dark);
}

/* Checkbox Label */
.llm-checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    cursor: pointer;
    color: var(--llm-text);
}

.llm-checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--llm-accent-dark);
    cursor: pointer;
}

/* Selection Overlay */
#llm-capture-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, calc(0.3 * var(--llm-capture-opacity, 0.85)));
    z-index: 2147483646;
    cursor: crosshair;
}

.llm-capture-instructions {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.85);
    color: white;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 14px;
    font-family: 'Inter', system-ui, sans-serif;
    pointer-events: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    opacity: var(--llm-capture-opacity, 0.85);
}

.llm-selection-rect {
    position: absolute;
    border: 2px dashed #fff;
    background: rgba(99, 102, 241, calc(0.15 * var(--llm-capture-opacity, 0.85)));
    pointer-events: none;
    display: none;
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, calc(0.4 * var(--llm-capture-opacity, 0.85)));
}

/* Toast Notifications */
.llm-toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    padding: 14px 28px;
    border-radius: 10px;
    font-size: 14px;
    font-family: 'Inter', system-ui, sans-serif;
    z-index: 2147483647;
    animation: llm-toast-fade 2.5s ease-in-out forwards;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.llm-toast-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.llm-toast-error {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

@keyframes llm-toast-fade {
    0% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }

    15% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }

    85% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }

    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(-10px);
    }
}