:root {
    --primary: #4f46e5;
    --secondary: #6366f1;
    --bg-light: #f3f4f6;
    --bg-dark: #1f2937;
    --card-light: rgba(255, 255, 255, 0.8);
    --card-dark: rgba(31, 41, 55, 0.8);
    --text-light: #111827;
    --text-dark: #f9fafb;
}

body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    display: flex;
    justify-content: center;
    padding: 30px 15px;
    transition: 0.3s ease;
}

.container {
    width: 100%;
    max-width: 900px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
}

.search-card {
    margin-top: 20px;
    padding: 25px;
    border-radius: 16px;
    backdrop-filter: blur(10px);
    background: var(--card-light);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    transition: 0.3s ease;
}

.input-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

input {
    flex: 1;
    padding: 12px;
    border-radius: 8px;
    border: none;
    outline: none;
    font-size: 14px;
}

button {
    padding: 12px 18px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: 0.3s ease;
}

#searchBtn {
    background: var(--primary);
    color: white;
}

#searchBtn:hover {
    background: var(--secondary);
    transform: translateY(-2px);
}

.clear-btn {
    background: #ef4444;
    color: white;
}

.clear-btn:hover {
    background: #dc2626;
}

.results {
    list-style: none;
    padding: 0;
    margin-top: 20px;
}

.results li {
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 8px;
    background: white;
    transition: 0.3s ease;
}

.results li:hover {
    transform: scale(1.02);
}

.results a {
    color: var(--primary);
    text-decoration: none;
    font-size: 14px;
}

.error {
    color: red;
    margin-top: 10px;
}

.result-count {
    margin-top: 10px;
    font-weight: 500;
}

.loader {
    margin: 20px auto;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

.hidden {
    display: none;
}

@keyframes spin {
    100% { transform: rotate(360deg); }
}

/* Dark Mode */
.dark {
    background: var(--bg-dark);
}

.dark .search-card {
    background: var(--card-dark);
    color: var(--text-dark);
}

.dark .results li {
    background: #374151;
}

/* Responsive */
@media (max-width: 600px) {
    .input-group {
        flex-direction: column;
    }
}