:root {
    --bg-color: #121212;
    --surface-color: #1e1e1e;
    --border-color: #333333;
    --text-primary: #e0e0e0;
    --text-secondary: #888888;
    --accent-gradient: linear-gradient(90deg, #3a7bd5, #3a60d5);
    --accent-color: #3a7bd5;
    --font-sans: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --shadow-color: rgba(0, 0, 0, 0.2);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
    }
}

/* --- Header & Hero --- */
.hero {
    text-align: center;
    padding: 80px 0 60px;
}

.hero .logo {
    font-size: 3.5rem;
    margin-bottom: 16px;
    line-height: 1;
    animation: fadeInUp 0.5s ease-out;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 16px;
    animation: fadeInUp 0.5s 0.1s ease-out backwards;
}

.hero .subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    animation: fadeInUp 0.5s 0.2s ease-out backwards;
}

/* --- Filters & Search --- */
.filters {
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    animation: fadeInUp 0.5s 0.3s ease-out backwards;
}

.search-container {
    position: relative;
}

.search-container i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

#search-input {
    width: 100%;
    background-color: var(--surface-color);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 14px 16px 14px 45px;
    font-size: 1rem;
    font-family: var(--font-sans);
    outline: none;
    transition: all 0.3s ease;
}

#search-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(58, 123, 213, 0.2);
}

.language-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.lang-filter-btn {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.lang-filter-btn:hover {
    background-color: var(--surface-color);
    color: var(--text-primary);
}

.lang-filter-btn.active {
    background: var(--accent-gradient);
    color: white;
    border-color: transparent;
}

/* --- Snippets Grid & Cards --- */
#snippets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.snippet-card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    box-shadow: 0 4px 12px var(--shadow-color);
    opacity: 0;
    /* Initially hidden for animation */
    animation: fadeInUp 0.5s ease-out forwards;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.snippet-card.exiting {
    animation: fadeOut 0.3s ease-out forwards;
}

.snippet-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px var(--shadow-color);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.card-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.lang-tag {
    background-color: var(--border-color);
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 6px;
    flex-shrink: 0;
}

.card-body p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.card-footer {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.author {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.view-code-btn {
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 10px 18px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.view-code-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(58, 123, 213, 0.3);
}

.no-results-message {
    display: none;
    text-align: center;
    color: var(--text-secondary);
    padding: 40px;
}

/* --- Code Modal --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
    z-index: 1000;
}

.modal-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: #1e1e1e;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 90%;
    max-width: 800px;
    display: flex;
    flex-direction: column;
    max-height: 80vh;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
    transform: scale(0.95);
    transition: transform 0.4s ease;
}

.modal-overlay.visible .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 1.1rem;
}

.modal-close-button {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.modal-close-button:hover {
    transform: rotate(90deg);
}

.modal-body {
    overflow-y: auto;
    padding: 24px;
}

.modal-body pre {
    margin: 0;
}

.modal-body code {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.7;
    color: #d4d4d4;
    white-space: pre-wrap;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
}

.copy-button {
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}

.copy-button:hover {
    transform: translateY(-2px);
}

.copy-button.copied {
    background: #28a745;
}