/*
 * CSS for the Logo Bar Module (Dark Theme)
 */

#logo-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 50px;
    z-index: 3000;
    /* Must be higher than nav-bar (2000) and its close button (2001) */

    /* --- Dark Theme Styles --- */
    background-color: rgba(30, 30, 30, 0.4);
    /* Lighter for cleaner glass effect over content */
    backdrop-filter: blur(15px);
    /* Increased blur for better readability */
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);

    /* Default: Align content to the left (Mobile) */
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

/* Base styles for the overlapping containers */
#logo-container,
#search-bar-placeholder {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    box-sizing: border-box;

    /* Mobile defaults: Left aligned */
    justify-content: flex-start;
    padding-left: 15px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Specific constraint for search bar on mobile to not hit the menu button */
#search-bar-placeholder .custom-search-container {
    max-width: calc(100vw - 85px);
}

/* Desktop Overrides: Center the logo on large screens */
@media (min-width: 769px) {
    #logo-bar {
        justify-content: center;
        background-color: rgba(20, 20, 20, 0.8);
        /* Keep it a bit more solid on desktop if preferred */
    }

    #logo-container {
        justify-content: center;
        padding-left: 0;
    }

    /* 桌面版搜尋框不在此容器內，需讓點擊穿透到下方 Logo */
    #search-bar-placeholder {
        pointer-events: none;
    }
}

/* --- Logo States --- */
#logo-container.logo-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateX(-30px) scale(0.98);
    /* Start from left */
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

#logo-container.logo-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(0) scale(1);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    /* Cinematic slide-in */
    transition-delay: 0.35s;
    /* Wait for search bar to exit */
}

/* --- Search States --- */
#search-bar-placeholder.search-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    /* Clean exit upwards */
    transition: all 0.3s ease;
}

#search-bar-placeholder:not(.search-hidden) {
    opacity: 1;
    visibility: visible;
    pointer-events: none;
    /* 容器本身不攔截點擊，讓點擊可以穿透到下方的 Logo */
    transform: translateY(0);
}

/* 只有內部的搜尋框元件需要接收點擊事件（行動版使用） */
#search-bar-placeholder .custom-search-container {
    pointer-events: auto;
}

#logo-container {
    display: flex;
    align-items: center;
    gap: 8px;
    transition: transform 0.3s ease;
}

#logo-container:hover {
    transform: scale(1.02);
}

#logo-icon-svg,
#logo-text-svg {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.4));
}

#logo-icon-svg {
    height: 30px;
    width: 30px;
}

#logo-text-svg {
    height: 30px;
    width: 161px;
    /* 30 * (644/120) = 161 */
    margin-top: 0;
}