@import url('https://fonts.googleapis.com/css2?family=Urbanist:wght@300;400;600;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg-color: #ffffff;
    --card-bg: #ffffff;
    --primary: #1a73e8;
    --primary-light: rgba(26, 115, 232, 0.1);
    --secondary: #4285f4;
    --text: #202124;
    --text-muted: #5f6368;
    --input-bg: #f1f3f4;
    --border-color: #dadce0;
    --shadow: 0 1px 6px rgba(32, 33, 36, 0.28);
    --shadow-soft: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
    --font-main: 'Urbanist', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --header-bg: rgba(255, 255, 255, 0.8);
    --footer-bg: #f2f2f2;
}

.dark-mode {
    --bg-color: #0b0e14;
    --card-bg: #161b22;
    --primary: #58a6ff;
    --primary-light: rgba(88, 166, 255, 0.1);
    --secondary: #1f6feb;
    --text: #e6edf3;
    --text-muted: #8b949e;
    --input-bg: #0d1117;
    --border-color: #30363d;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-soft: 0 1px 0 rgba(255, 255, 255, 0.1);
    --header-bg: rgba(11, 14, 20, 0.8);
    --footer-bg: #0d1117;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color); /* Default White */
    color: var(--text);
    font-family: var(--font-main);
    overflow-x: hidden;
    line-height: 1.6;
    position: relative;
}

#bg-3d {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1; /* Above body, below content */
    pointer-events: none;
}

/* Ensure content is above background */
.home-wrapper, .logo-section, .search-container, .home-buttons, .trending-keywords,
.results-header, .category-filters, .results-main, footer {
    position: relative;
    z-index: 10;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: #bdc1c6;
    border-radius: 10px;
    border: 3px solid var(--bg-color);
}

::-webkit-scrollbar-thumb:hover {
    background: #9aa0a6;
}

/* --- Layouts --- */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Home Section */
.home-wrapper {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 40px;
}

.logo-section {
    text-align: center;
}

.logo-text {
    font-size: 5rem;
    font-weight: 800;
    letter-spacing: -3px;
    background: linear-gradient(to right, #4285F4, #34A853, #FBBC05, #EA4335, #4285F4); /* Added start color at end for seamless loop */
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 5px;
    animation: gradientMove 5s linear infinite;
}

@keyframes gradientMove {
    to { background-position: 200% center; }
}

.logo-sub {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-muted);
    letter-spacing: 3px;
    text-transform: uppercase;
    font-weight: 500;
}

/* Search Box */
.search-container {
    width: 100%;
    max-width: 584px;
    position: relative;
}

.search-input-wrapper {
    position: relative;
    width: 100%;
    border-radius: 50px;
    padding: 1px;
    background: transparent;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.search-input-wrapper:hover, .search-input-wrapper.active {
    background: var(--card-bg);
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.main-search-input {
    width: 100%;
    background: transparent;
    border: none;
    border-radius: 50px;
    padding: 14px 52px;
    color: var(--text);
    font-size: 1.1rem;
    outline: none;
}

.search-icon-left {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: #9aa0a6;
    font-size: 1.1rem;
}

.voice-btn {
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: 1.3rem;
    transition: var(--transition);
}

.voice-btn:hover {
    transform: translateY(-50%) scale(1.1);
}

.home-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-top: 25px;
}

.button-row {
    display: flex;
    gap: 12px;
}

.btn {
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateY(-2px);
    background: var(--card-bg);
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    border: none;
    box-shadow: 0 4px 14px rgba(26, 115, 232, 0.3);
}

.btn-primary:hover {
    background: var(--secondary);
    color: #fff;
    box-shadow: 0 6px 20px rgba(26, 115, 232, 0.4);
}

.btn-submit {
    border-color: #34A853;
    color: #34A853;
    background: rgba(52, 168, 83, 0.05);
}

.btn-submit:hover {
    background: #34A853;
    color: #fff;
    border-color: #34A853;
    box-shadow: 0 4px 14px rgba(52, 168, 83, 0.3);
}

/* Results Page Styles */
.results-header {
    padding: 20px 40px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 40px;
    position: sticky;
    top: 0;
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    z-index: 100;
}

.results-logo {
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(to right, #4285F4, #34A853, #FBBC05, #EA4335, #4285F4);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientMove 5s linear infinite;
}

.results-search-container {
    width: 630px;
}

.category-filters {
    padding: 10px 160px;
    display: flex;
    gap: 20px;
    border-bottom: 1px solid var(--border-color);
}

.filter-active-line {
    position: absolute;
    bottom: -1px;
    height: 3px;
    background: var(--primary);
    transition: var(--transition);
}

.filter-chip {
    padding: 0 0 10px 0;
    color: var(--text-muted);
    font-size: 0.9rem;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
}

.filter-chip:hover, .filter-chip.active {
    color: var(--primary);
}

.filter-chip.active {
    border-bottom-color: var(--primary);
}

.results-main {
    padding: 20px 160px;
    max-width: 1000px;
}

.results-info {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.result-item {
    margin-bottom: 30px;
    max-width: 650px;
}

.result-item:hover .result-title {
    text-decoration: underline;
}

.result-url {
    color: var(--text);
    font-size: 0.85rem;
    display: block;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.result-title {
    color: var(--primary);
    font-size: 1.25rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    margin-bottom: 4px;
}

.result-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.58;
}

.result-tags {
    margin-top: 8px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--input-bg);
    padding: 2px 10px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

/* Recent Searches */
#recent-searches {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.recent-chip {
    padding: 6px 14px;
    background: #f1f3f4;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.recent-chip:hover {
    background: #e8eaed;
    color: var(--text);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
    box-shadow: var(--shadow-soft);
}

.theme-toggle:hover {
    transform: rotate(15deg) scale(1.1);
    border-color: var(--primary);
    color: var(--primary);
}

.results-header .theme-toggle {
    position: static;
    margin-left: auto;
}

/* Footer */
footer {
    padding: 30px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    background: var(--footer-bg);
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

/* Responsive */
@media (max-width: 768px) {
    .home-wrapper {
        padding: 0 20px;
    }
    
    .results-header {
        flex-direction: column;
        padding: 15px;
        gap: 12px;
    }

    .results-header .btn-submit {
        display: none;
    }

    /* Fix theme toggle in corner on mobile for all pages */
    .theme-toggle, .results-header .theme-toggle {
        position: fixed;
        top: 15px;
        right: 15px;
        z-index: 2000;
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .results-search-container {
        width: 100%;
    }
    
    .category-filters, .results-main {
        padding: 15px 20px;
    }
    
    .logo-text {
        font-size: 2.5rem;
        word-break: break-word;
    }

    .home-buttons {
        width: 100%;
        margin-top: 60px; /* Big space added here */
    }

    /* Hide the first button row (Search Dev & Trending Now) on mobile as requested */
    .button-row:first-child {
        display: none;
    }

    .button-row {
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    /* Decrease height of search bar on mobile */
    .main-search-input {
        padding: 10px 52px;
        font-size: 1rem;
    }

    .search-icon-left, .voice-btn {
        font-size: 1rem;
    }
}