:root {
    --wpc-preview-bar-height: 60px;
    --wpc-preview-bg: #161b22; /* GitHub Dark Header */
    --wpc-preview-border: #30363d; /* GitHub Dark Border */
    --wpc-preview-text: #c9d1d9; /* GitHub Text */
    --wpc-preview-text-light: #8b949e; /* GitHub Muted Text */
    --wpc-preview-accent: #58a6ff; /* GitHub Blue */
    --wpc-preview-accent-hover: #1f6feb;
    --wpc-preview-bg-frame: #0d1117; /* GitHub Dark Body */
    --wpc-preview-dropdown-bg: #161b22;
    --wpc-preview-dropdown-hover: #1f6feb;

    --wpc-preview-button-bg: #1f6feb; /* GitHub Green */
    --wpc-preview-button-hover-bg: #1f6feb;
    --wpc-preview-button-text: #fff;
    --wpc-preview-button-text-hover: #fff;
}

html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
}

body.wpc-preview-body {
    overflow: hidden;
    background-color: var(--wpc-preview-bg-frame);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    -webkit-font-smoothing: antialiased;
}

/* Main Bar */
.wpc-preview-bar {
    height: var(--wpc-preview-bar-height);
    background: var(--wpc-preview-bg);
    border-bottom: 1px solid var(--wpc-preview-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    box-sizing: border-box; /* Ensure padding doesn't add to width */
    position: relative;
    z-index: 1000;
    box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

/* Columns */
.wpc-preview-col-left,
.wpc-preview-col-center,
.wpc-preview-col-right {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
}

.wpc-preview-col-center {
    justify-content: center;
}

.wpc-preview-col-right {
    justify-content: flex-end;
}

/* Left Column Elements */
.wpc-preview-back-link {
    text-decoration: none;
    color: var(--wpc-preview-text-light);
    font-size: 13px;
    font-weight: 500;
    transition: color 0.2s;
}

.wpc-preview-back-link:hover {
    color: var(--wpc-preview-text);
}

.wpc-preview-separator {
    color: var(--wpc-preview-border);
    font-size: 13px;
}

.wpc-preview-current-site {
    color: var(--wpc-preview-text);
    font-size: 13px;
    font-weight: 600;
}

/* Device Toggles */
.wpc-preview-device-btn {
    background: transparent;
    border: none;
    color: var(--wpc-preview-text-light);
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wpc-preview-device-btn svg {
    width: 20px;
    height: 20px;
}

.wpc-preview-device-btn:hover {
    background-color: var(--wpc-preview-bg-frame);
    color: var(--wpc-preview-text);
}

.wpc-preview-device-btn.active {
    background-color: var(--wpc-preview-accent);
    color: #fff;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

/* Right Column Elements */
.wpc-preview-visit-link {
    text-decoration: none;
    color: var(--wpc-preview-text);
    font-size: 13px;
    font-weight: 500;
    margin-right: 8px;
}

.wpc-preview-buy-btn {
    background-color: var(--wpc-preview-button-bg);
    color: var(--wpc-preview-button-text);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    padding: 8px 16px; /* Slightly tighter padding */
    border-radius: 6px;
    transition: background-color 0.2s, border-color 0.2s;
}

.wpc-preview-buy-btn:hover {
    background-color: var(--wpc-preview-button-hover-bg);
}

.wpc-preview-close-btn {
    margin-left: 8px;
    color: var(--wpc-preview-text-light);
    display: flex;
    align-items: center;
}

.wpc-preview-close-btn svg {
    width: 16px;
    height: 16px;
}

/* Iframe Container & Frame */
.wpc-preview-iframe-container {
    height: calc(100vh - var(--wpc-preview-bar-height));
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: flex-start; /* Start from top so scrolling works naturally */
    overflow-y: auto; /* Scrollbar on container if needed, usually on iframe */
    background: var(--wpc-preview-bg-frame);
    padding-top: 0;
    position: relative;
    transition: background-color 0.3s;
}

#wpc-preview-frame {
    width: 100%;
    height: 100%;
    background: #fff;
    transition: width 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), 
                height 0.3s cubic-bezier(0.25, 0.8, 0.25, 1),
                box-shadow 0.3s;
    border: none;
}

/* Device Simulation Styles */
.wpc-preview-iframe-container.is-desktop #wpc-preview-frame {
    width: 100%;
    height: 100%;
}

.wpc-preview-iframe-container.is-tablet #wpc-preview-frame {
    width: 768px;
    height: calc(100% - 40px);
    margin-top: 20px;
    margin-bottom: 20px;
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.1);
}

.wpc-preview-iframe-container.is-mobile #wpc-preview-frame {
    width: 375px;
    height: calc(100% - 40px);
    margin-top: 20px;
    margin-bottom: 20px;
    border-radius: 30px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
    border: 8px solid #1a1a1a;
}

/* Dropdown Styles */
.wpc-preview-dropdown-wrapper {
    position: relative;
    cursor: pointer;
    display: flex;
    align-items: center;
}

.wpc-preview-current-site {
    display: flex;
    align-items: center;
    gap: 6px;
}

.wpc-preview-dropdown-wrapper:hover .wpc-preview-dropdown-list {
    display: block !important;
}

.wpc-preview-dropdown-list {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 8px;
    background: var(--wpc-preview-dropdown-bg);
    border: 1px solid var(--wpc-preview-border);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    min-width: 150px;
    padding: 4px;
    z-index: 1001;
}

.wpc-preview-dropdown-list a {
    display: block;
    padding: 8px 12px;
    text-decoration: none;
    color: var(--wpc-preview-text);
    font-size: 13px;
    border-radius: 4px;
    transition: background 0.1s;
}

.wpc-preview-dropdown-list a:hover {
    background: var(--wpc-preview-dropdown-hover);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .wpc-preview-col-left {
        flex: 1; /* Allow it to take space */
    }

    .wpc-preview-back-link,
    .wpc-preview-separator {
        display: none;
    }

    /* Keep Site Select visible */
    .wpc-preview-dropdown-wrapper {
        display: flex;
    }
    
    /* Determine max width for Site Name on mobile to prevent overflow */
    .wpc-preview-current-site {
        max-width: 150px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        display: block; /* Important for text-overflow */
    }

    /* Hide Center Column (Device Toggles) */
    .wpc-preview-col-center {
        display: none;
    }

    /* Right Column Adjustments */
    .wpc-preview-col-right {
        flex: 0 0 auto; /* Do not grow */
        justify-content: flex-end;
        gap: 8px; /* Reduce gap */
    }

    .wpc-preview-visit-link {
        display: none;
    }

    .wpc-preview-close-btn {
        display: none;
    }
    
    .wpc-preview-bar {
        padding: 0 16px; /* Slightly less padding */
    }
}