:root {
    --bg-gradient-start: #1a1a2e;
    --bg-gradient-end: #16213e;
    --card-bg: rgba(255, 255, 255, 0.07);
    --card-border: rgba(255, 255, 255, 0.1);
    --card-hover-bg: rgba(255, 255, 255, 0.1);
    --text-color: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.5);
    --shadow-color: rgba(0, 0, 0, 0.2);
    --transition-speed: 0.3s;
    --border-radius: 12px;
}

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

html {
    background-color: var(--bg-gradient-start);
    color-scheme: dark;
}

body {
    margin: 0;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    background-attachment: fixed;
    min-height: 100vh;
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    line-height: 1.5;
}

/* Accessibility */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Focus styles for keyboard navigation */
:focus {
    outline: 2px solid #4D96FF;
    outline-offset: 2px;
}

/* Dashboard layout */
.dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 22px;
    max-width: 1200px;
    width: 100%;
    margin: 80px auto 0 auto;
}

/* Card styles */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius);
    padding: 24px;
    text-decoration: none;
    color: var(--text-color);
    transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    backdrop-filter: blur(8px);
    position: relative;
    overflow: hidden; /* Ensure glow effect stays within card boundaries */
}

.card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--border-radius);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), transparent);
    opacity: 0;
    transition: opacity var(--transition-speed) ease;
}

.card:hover,
.card:focus {
    transform: translateY(-6px);
    background: var(--card-hover-bg);
    box-shadow: 0 8px 24px var(--shadow-color);
}

.card:hover::after,
.card:focus::after {
    opacity: 1;
}

.card i {
    font-size: 26px;
    margin-bottom: 12px;
    transition: transform var(--transition-speed) ease;
}

.card:hover i,
.card:focus i {
    transform: scale(1.15);
}

/* Icon colors */
.fa-download { color: #FF6B6B; }
.fa-wifi { color: #4ECDC4; }
.fa-school { color: #FFD93D; }
.fa-shopping-cart { color: #6BCB77; }
.fa-cloud { color: #4D96FF; }
.fa-file { color: #9B89B3; }
.fa-google { color: #4285F4; }
.fa-film { color: #FF8C94; }
.fa-shopping-basket { color: #98FB98; }
.fa-server { color: #00C2FF; }
.fa-balance-scale { color: #FF9A8B; }
.fa-youtube { color: #FF0000; }
.fa-amazon { color: #FF9900; }
.fa-robot { color: #10A37F; }
.fa-network-wired { color: #4CAF50; }
.fa-car { color: #FFFFFF; }

.card span {
    font-size: 15px;
    font-weight: 500;
    text-align: center;
    opacity: 0.9;
    transition: opacity var(--transition-speed) ease;
}

.card:hover span,
.card:focus span {
    opacity: 1;
}

/* Clock styles */
#clock {
    position: fixed;
    bottom: 24px;
    right: 24px;
    font-size: 18px;
    background: rgba(255, 255, 255, 0.08);
    padding: 12px 24px;
    border-radius: var(--border-radius);
    backdrop-filter: blur(8px);
    border: 1px solid var(--card-border);
    transition: all var(--transition-speed) ease;
}

#clock:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}

/* Search container */
.search-container {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 600px;
    z-index: 1000;
    padding: 0 20px;
}

.search-wrapper {
    position: relative;
    width: 100%;
}

#search-input {
    width: 100%;
    padding: 14px 24px;
    font-size: 16px;
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-color);
    backdrop-filter: blur(8px);
    transition: all var(--transition-speed) ease;
}

#search-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

#search-input::placeholder {
    color: var(--text-muted);
}

#search-suggestions {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: rgba(20, 20, 35, 0.95);
    border-radius: var(--border-radius);
    max-height: 300px;
    overflow-y: auto;
    display: none;
    backdrop-filter: blur(8px);
    border: 1px solid var(--card-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    z-index: 1001;
}

.suggestion-item {
    padding: 12px 24px;
    cursor: pointer;
    transition: all 0.2s ease;
    border-left: 2px solid transparent;
}

.suggestion-item:hover,
.suggestion-item.selected {
    background: rgba(255, 255, 255, 0.1);
    border-left-color: rgba(255, 255, 255, 0.5);
}

/* Footer and counter */
footer {
    position: fixed;
    bottom: 24px;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    z-index: 10;
}

.counter {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    font-family: 'Arial', sans-serif;
    text-align: center;
    background: rgba(255, 255, 255, 0.05);
    padding: 8px 16px;
    border-radius: 20px;
    backdrop-filter: blur(4px);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

.counter:hover {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Media queries for responsiveness */
@media (max-width: 768px) {
    .dashboard {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 16px;
        padding: 0 16px;
        margin-top: 60px;
    }
    
    .card {
        padding: 20px;
    }
    
    #search-input {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .search-container {
        padding: 0 16px;
        top: 16px;
    }
    
    #clock {
        font-size: 16px;
        padding: 8px 16px;
        bottom: 16px;
        right: 16px;
    }
}

@media (max-width: 480px) {
    .dashboard {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 12px;
    }
    
    .card {
        padding: 16px;
    }
    
    .card i {
        font-size: 22px;
        margin-bottom: 8px;
    }
    
    .card span {
        font-size: 13px;
    }
}