/* CSS Variables for theming */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --background-color: #f8fafc;
    --card-background: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

/* Header styles */
header {
    background: linear-gradient(135deg, var(--primary-color), #7c3aed);
    color: white;
    padding: 40px 0;
    text-align: center;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

header .tagline {
    font-size: 1.2rem;
    opacity: 0.9;
}

header .back-link {
    display: inline-block;
    color: white;
    text-decoration: none;
    margin-bottom: 20px;
    opacity: 0.9;
    transition: opacity 0.2s;
}

header .back-link:hover {
    opacity: 1;
}

/* Search section */
.search-section {
    margin: -30px 0 40px;
    max-width: 100%;
    width: 100%;
    position: relative;
}

.search-box {
    display: flex;
    width: 100%;
    background: var(--card-background);
    border-radius: 50px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.search-box input {
    flex: 1;
    padding: 18px 25px;
    border: none;
    font-size: 1.1rem;
    outline: none;
}

.search-box button {
    padding: 18px 25px;
    background: var(--primary-color);
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.search-box button:hover {
    background: var(--primary-hover);
}

/* Suggestions dropdown */
.suggestions-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--card-background);
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    margin-top: 5px;
    max-height: 300px;
    overflow-y: auto;
    display: none;
    z-index: 100;
}

.suggestions-dropdown.show {
    display: block;
}

.suggestion-item {
    padding: 15px 20px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s;
}

.suggestion-item:last-child {
    border-bottom: none;
}

.suggestion-item:hover {
    background-color: var(--background-color);
}

.suggestion-item .software-name {
    font-weight: 600;
    color: var(--text-primary);
}

.suggestion-item .software-category {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Main content */
main {
    flex: 1;
    padding: 40px 0;
}

/* Software grid */
.software-grid {
    display: grid;
    /* Force 3 columns on wider screens for a consistent layout */
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

/* Responsive adjustments: 2 columns on medium screens, 1 column on small screens */
@media (max-width: 1024px) {
    .software-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .software-grid {
        grid-template-columns: 1fr;
    }
}

.software-card {
    background: var(--card-background);
    border-radius: 15px;
    padding: 25px;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
}

/* Ensure card content is left-aligned for readability */
.software-card {
    text-align: left;
}

.software-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.software-card h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.software-card .category-badge {
    display: inline-block;
    background: var(--background-color);
    color: var(--primary-color);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 15px;
}

.software-card .alternatives-count {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Alternatives grid */
.alternatives-section h2 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    color: var(--text-primary);
}

.alternatives-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 25px;
}

.alternative-card {
    background: var(--card-background);
    border-radius: 15px;
    padding: 25px;
    box-shadow: var(--shadow);
}

.alternative-card h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.alternative-card .description {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.alternative-card .platforms {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.platform-tag {
    background: var(--background-color);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
}

.pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.pros h4,
.cons h4 {
    font-size: 0.95rem;
    margin-bottom: 10px;
}

.pros h4 {
    color: var(--success-color);
}

.cons h4 {
    color: var(--danger-color);
}

.pros ul,
.cons ul {
    list-style: none;
    font-size: 0.9rem;
}

.pros li,
.cons li {
    padding: 5px 0;
    padding-left: 20px;
    position: relative;
}

.pros li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
}

.cons li::before {
    content: '✗';
    position: absolute;
    left: 0;
    color: var(--danger-color);
}

.alternative-card .visit-btn {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 12px 25px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.2s;
}

.alternative-card .visit-btn:hover {
    background: var(--primary-hover);
}

/* No results */
.no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.no-results p {
    margin-bottom: 15px;
}

.btn {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.2s;
}

.btn:hover {
    background: var(--primary-hover);
}

/* Footer */
footer {
    background: var(--text-primary);
    color: white;
    padding: 25px 0;
    text-align: center;
}

footer p {
    opacity: 0.8;
}

/* Responsive design */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.8rem;
    }

    header .tagline {
        font-size: 1rem;
    }

    .search-box input {
        padding: 15px 20px;
        font-size: 1rem;
    }

    .search-box button {
        padding: 15px 20px;
    }

    .alternatives-grid {
        grid-template-columns: 1fr;
    }

    .pros-cons {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    header {
        padding: 30px 0;
    }

    .software-grid {
        grid-template-columns: 1fr;
    }
}