/* Theme Variables */
:root {
    --color-bg: #000000;
    --color-fg: #FFFFFF;
    --color-link: #AAAAAA;
    --color-link-visited: #999999;
    --color-link-hover: #FF0000;
    --color-border: #FFFFFF;
}

[data-theme="light"] {
    --color-bg: #FFFFFF;
    --color-fg: #000000;
    --color-link: #0000FF;
    --color-link-visited: #0000CC;
    --color-link-hover: #FF0000;
    --color-border: #000000;
}

/* Base Styles */
html, body {
    font-family: "Fira Code", monospace;
    height: 100%;
    margin: 0;
    padding: 0;
    background: var(--color-bg);
    color: var(--color-fg);
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

html::-webkit-scrollbar { display: none; }
html { -ms-overflow-style: none; scrollbar-width: none; }

/* Layout */
.container {
    display: grid;
    grid-template-columns: 1fr minmax(450px, 600px) minmax(700px, 1fr) 1fr;
    grid-template-areas: ". left right .";
    column-gap: 40px;
    justify-items: center;
    align-items: center;
    min-height: 100%;
}

.left-container {
    grid-area: left;
    aspect-ratio: 1/1;
    max-width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.right-container {
    grid-area: right;
    height: 50%;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.gif img {
    max-width: 100%;
    max-height: 100%;
    height: auto;
    margin-top: 50px;
}

/* Theme Switcher */
.theme-switcher {
    position: fixed;
    top: 15px;
    left: 15px;
    width: 40px;
    height: 40px;
    background-color: var(--color-bg);
    border: 2px solid var(--color-border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    z-index: 1001;
    transition: all 0.3s ease;
    color: var(--color-fg);
}

.theme-switcher:hover {
    background-color: var(--color-fg);
    color: var(--color-bg);
}

/* AI Buttons */
.top-right-link-button {
    position: fixed;
    top: 15px;
    width: 24px;
    height: 24px;
    border: 1px solid var(--color-border);
    cursor: pointer;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 16px;
    transition: background-color 0.2s ease, color 0.2s ease;
    background-color: var(--color-bg);
    color: var(--color-fg);
}

.top-right-link-button:hover {
    background-color: var(--color-fg);
    color: var(--color-bg);
}

.button-1 { right: 15px; }
.button-2 { right: 47px; }
.button-3 { right: 79px; }
.button-4 { right: 111px; }
.button-5 { right: 143px; }
.button-6 { right: 175px; }
.button-7 { right: 207px; }
.button-8 { right: 239px; }

/* DateTime */
.datetime-container {
    font-size: 1.47em;
    margin-bottom: 20px;
    text-align: center;
    width: 100%;
}

/* Search Bar */
.head {
    display: flex;
    align-items: center;
    font-size: 33.6px;
    white-space: nowrap;
}

#prompt-prefix, #search-text, #blinker {
    display: inline-block;
    vertical-align: middle;
}

.blinking {
    animation: opacity 1s ease-in-out infinite;
}

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

/* Bookmarks */
.bookmarks {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    width: 100%;
    margin-top: 40px;
}

.category {
    display: flex;
    flex-direction: column;
    min-width: 90px;
    max-width: 160px;
    text-align: center;
    padding: 10px;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
    position: relative;
}

.links {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 0;
    width: 100%;
}

.title {
    font-size: 21x;
    margin-bottom: 5px;
    color: var(--color-fg);
    font-weight: bold;
}

li {
    font-size: 15.8px;
    list-style-type: none;
    padding: 3px;
}

/* Links */
a:link {
    color: var(--color-link);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:visited {
    color: var(--color-link-visited);
}

a:hover {
    color: var(--color-link-hover);
}

/* Toggle Button */
.toggle-links-button {
    background: none;
    border: none;
    font-size: 1.5em;
    cursor: pointer;
    margin-top: 10px;
    padding: 0;
    line-height: 1;
    color: var(--color-link-hover);
    transition: color 0.3s ease;
}

.toggle-links-button:hover {
    color: var(--color-fg);
}

/* GitHub Footer */
.github-footer {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
}

.github-footer a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: var(--color-fg);
    border: 1px solid var(--color-border);
    background-color: var(--color-bg);
    transition: all 0.3s ease;
    text-decoration: none;
}

.github-footer a:hover {
    background-color: var(--color-fg);
    color: var(--color-bg);
}

/* Responsive Design */
@media (max-width: 992px) {
    .bookmarks {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    /* Mobile Layout - Stack vertically */
    .container {
        display: flex;
        flex-direction: column;
        padding: 80px 20px 20px 20px;
        min-height: 100vh;
        box-sizing: border-box;
    }

    .left-container {
        order: 1;
        width: 100%;
        max-width: 250px;
        margin-bottom: 20px;
        flex-shrink: 0;
    }

    .right-container {
        order: 2;
        height: auto;
        flex-grow: 1;
    }

    .gif img {
        margin-top: 0;
        max-width: 200px;
        max-height: 200px;
    }

    /* Move AI buttons to bottom on mobile */
    .top-right-link-button {
        position: fixed;
        bottom: 15px;
        top: auto;
    }

    .button-1 { right: 15px; left: auto; }
    .button-2 { right: 47px; left: auto; }
    .button-3 { right: 79px; left: auto; }
    .button-4 { right: 111px; left: auto; }
    .button-5 { right: 143px; left: auto; }
    .button-6 { right: 175px; left: auto; }
    .button-7 { right: 207px; left: auto; }
    .button-8 { right: 239px; left: auto; }

    /* Move GitHub to bottom left on mobile */
    .github-footer {
        position: fixed;
        bottom: 15px;
        left: 15px;
        transform: none;
    }

    .bookmarks {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        margin-top: 20px;
    }
    .category { padding: 8px; }
    .title { font-size: 1.365em; }
    li { font-size: 0.945em; padding: 4px; }

    .head {
        font-size: 24px;
    }

    .datetime-container {
        font-size: 1.2em;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 70px 15px 15px 15px;
    }

    .bookmarks {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .head {
        font-size: 20px;
    }

    .datetime-container {
        font-size: 1em;
    }

    /* Stack AI buttons vertically on very small screens */
    .top-right-link-button {
        right: 15px;
    }

    .button-1 { bottom: 15px; }
    .button-2 { bottom: 47px; }
    .button-3 { bottom: 79px; }
    .button-4 { bottom: 111px; }
    .button-5 { bottom: 143px; }
    .button-6 { bottom: 175px; }
    .button-7 { bottom: 207px; }
    .button-8 { bottom: 239px; }
}