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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: #ffffff;
    min-height: 100vh;
}

header {
    text-align: center;
    padding: 2rem 0;
    background: rgba(0, 0, 0, 0.3);
    margin-bottom: 2rem;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 3rem;
    padding: 0 2rem;
}

.header-text {
    flex: 0 0 auto;
}

header h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

header p {
    font-size: 1.2rem;
    color: #cccccc;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.year-chart {
    flex: 0 0 auto;
}

.year-chart canvas {
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.auth-status {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.9rem;
    color: #cccccc;
}

.auth-status .username {
    color: #4ecdc4;
    font-weight: 600;
}

.auth-status button {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    color: #ffffff;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.auth-status button:hover {
    background: rgba(255, 107, 107, 0.2);
    border-color: #ff6b6b;
}

.auth-status .login-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
}

.auth-status .login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.search-section {
    margin-bottom: 3rem;
}

.search-section.hidden {
    display: none;
}

.search-container {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1rem;
}

#searchInput {
    padding: 1rem;
    font-size: 1.1rem;
    border: 2px solid #444;
    border-radius: 8px;
    background: #333;
    color: #fff;
    width: 300px;
    transition: border-color 0.3s;
}

#searchInput:focus {
    outline: none;
    border-color: #4ecdc4;
}

#addRecordBtn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    border: none;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    transition: transform 0.2s;
}

#addRecordBtn:hover {
    transform: translateY(-2px);
}

#addRecordBtn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.status-message {
    text-align: center;
    padding: 1rem;
    border-radius: 8px;
    margin: 1rem 0;
}

.status-message.success {
    background: rgba(76, 175, 80, 0.2);
    border: 1px solid #4caf50;
    color: #4caf50;
}

.status-message.error {
    background: rgba(244, 67, 54, 0.2);
    border: 1px solid #f44336;
    color: #f44336;
}

.status-message.loading {
    background: rgba(255, 193, 7, 0.2);
    border: 1px solid #ffc107;
    color: #ffc107;
}

.collection-section h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
    color: #ffffff;
}

.records-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
    padding: 1rem 0;
}

.record-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 9.6px;
    padding: 1.5rem;
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    overflow: hidden;
}

.record-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.record-cover {
    width: calc(100% + 3rem);
    margin-left: -1.5rem;
    margin-right: -1.5rem;
    margin-top: -1.5rem;
    height: 200px;
    border-radius: 9.6px 9.6px 0 0;
    margin-bottom: 1rem;
    background: #444;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #888;
}

.record-cover img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 9.6px 9.6px 0 0;
}

.record-info h3 {
    font-size: 1.0rem;
    margin-bottom: 0.5rem;
    color: #ffffff;
    line-height: 1.3;
}

.record-info .artist {
    font-size: 1rem;
    color: #4ecdc4;
    margin-bottom: 0.3rem;
}

.record-info .year {
    font-size: 0.9rem;
    color: #999;
}

.loading {
    text-align: center;
    padding: 3rem;
    color: #888;
    font-size: 1.2rem;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: linear-gradient(135deg, #2d2d2d 0%, #1a1a1a 100%);
    margin: 5% auto;
    padding: 2rem;
    border-radius: 12px;
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.close {
    color: #aaa;
    float: right;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
}

.close:hover {
    color: #fff;
}

.modal-record {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.modal-cover {
    flex-shrink: 0;
    width: 250px;
    height: 250px;
    border-radius: 8px;
    overflow: hidden;
}

.modal-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-details {
    flex: 1;
}

.modal-details h2 {
    color: #ffffff;
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.modal-details p {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.modal-details strong {
    color: #4ecdc4;
}

.modal-details ul {
    margin-left: 1rem;
    margin-top: 1rem;
}

.modal-details li {
    margin-bottom: 0.3rem;
}

.modal-actions {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
}

.delete-btn {
    background: linear-gradient(45deg, #ff4757, #ff3838);
    border: none;
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(255, 71, 87, 0.3);
}

.delete-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 71, 87, 0.4);
}

@media (max-width: 768px) {
    .search-container {
        flex-direction: column;
        align-items: center;
    }

    #searchInput {
        width: 100%;
        max-width: 400px;
    }

    .records-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 1rem;
    }

    .modal-record {
        flex-direction: column;
        text-align: center;
    }

    .modal-cover {
        width: 200px;
        height: 200px;
        margin: 0 auto;
    }

    header h1 {
        font-size: 2rem;
    }

    .header-content {
        flex-direction: column;
        gap: 1.5rem;
    }

    .year-chart canvas {
        width: 150px !important;
        height: 75px !important;
    }
}