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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #000000;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(0, 102, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 102, 255, 0.1) 0%, transparent 50%);
    min-height: 100vh;
    padding: 20px;
    color: #ffffff;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
}

.header {
    text-align: center;
    color: white;
    margin-bottom: 60px;
    padding: 60px 20px 40px;
}

.header h1 {
    font-size: 3em;
    margin-bottom: 15px;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #ffffff 0%, #00aaff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header h1 i {
    margin-right: 15px;
    color: #00aaff;
    -webkit-text-fill-color: #00aaff;
}

.subtitle {
    font-size: 1.3em;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 300;
    letter-spacing: 0.01em;
}

.main-content {
    background: rgba(20, 20, 30, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 170, 255, 0.2);
    border-radius: 16px;
    padding: 50px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 170, 255, 0.1);
}

.download-section {
    margin-bottom: 50px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(0, 170, 255, 0.2);
}

.download-section h2,
.downloads-section h2 {
    color: #ffffff;
    margin-bottom: 30px;
    font-size: 2em;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.download-section h2 i,
.downloads-section h2 i {
    color: #00aaff;
    margin-right: 12px;
}

.download-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

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

.input-group label {
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95em;
    letter-spacing: 0.01em;
}

.input-group label i {
    margin-right: 8px;
    color: #00aaff;
}

.input-group input,
.input-group select {
    padding: 14px 18px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(0, 170, 255, 0.3);
    border-radius: 8px;
    font-size: 1em;
    transition: all 0.3s ease;
    font-family: inherit;
    color: #ffffff;
}

.input-group input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: #00aaff;
    background: rgba(0, 0, 0, 0.6);
    box-shadow: 0 0 0 3px rgba(0, 170, 255, 0.2);
}

.input-group select {
    cursor: pointer;
}

.input-group select option {
    background: #14141e;
    color: #ffffff;
}

.btn-download {
    background: linear-gradient(135deg, #00aaff 0%, #0066ff 100%);
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
    letter-spacing: 0.01em;
    box-shadow: 0 4px 15px rgba(0, 170, 255, 0.3);
}

.btn-download:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 170, 255, 0.4);
    background: linear-gradient(135deg, #00bfff 0%, #0077ff 100%);
}

.btn-download:active:not(:disabled) {
    transform: translateY(0);
}

.btn-download:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-download i {
    margin-right: 8px;
}

.message {
    padding: 16px 20px;
    border-radius: 8px;
    margin-top: 20px;
    font-weight: 500;
    animation: slideIn 0.3s ease;
    border: 1px solid;
    display: flex;
    align-items: center;
    gap: 10px;
}

.message::before {
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 1.2em;
}

.message-success {
    background: rgba(0, 200, 100, 0.15);
    color: #00ff88;
    border-color: rgba(0, 200, 100, 0.3);
}

.message-success::before {
    content: "\f00c";
}

.message-error {
    background: rgba(255, 50, 50, 0.15);
    color: #ff6666;
    border-color: rgba(255, 50, 50, 0.3);
}

.message-error::before {
    content: "\f06a";
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.queue-section {
    margin-top: 50px;
    margin-bottom: 50px;
    padding-top: 50px;
    border-top: 1px solid rgba(0, 170, 255, 0.2);
}

.queue-section h2 {
    color: #ffffff;
    margin-bottom: 25px;
    font-size: 2em;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.queue-section h2 i {
    color: #00aaff;
    margin-right: 12px;
}

.queue-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.queue-item {
    padding: 20px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 8px;
    border: 1px solid rgba(0, 170, 255, 0.2);
    transition: all 0.3s ease;
}

.queue-item:hover {
    border-color: rgba(0, 170, 255, 0.4);
}

.queue-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.queue-status {
    font-weight: 600;
    font-size: 0.95em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-queued .queue-status {
    color: rgba(255, 255, 255, 0.7);
}

.status-downloading .queue-status {
    color: #00aaff;
}

.status-completed .queue-status {
    color: #00ff88;
}

.status-failed .queue-status {
    color: #ff6666;
}

.queue-item-title {
    color: #ffffff;
    font-weight: 500;
    margin-bottom: 12px;
    word-break: break-word;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #00aaff 0%, #0066ff 100%);
    border-radius: 4px;
    transition: width 0.5s ease;
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.progress-complete {
    background: linear-gradient(90deg, #00ff88 0%, #00cc66 100%);
}

.progress-text {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85em;
    font-weight: 500;
}

.error-message {
    color: #ff6666;
    font-size: 0.9em;
    padding: 8px;
    background: rgba(255, 102, 102, 0.1);
    border-radius: 4px;
    border: 1px solid rgba(255, 102, 102, 0.3);
}

.btn-download-file-small {
    background: linear-gradient(135deg, #00aaff 0%, #0066ff 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85em;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 2px 8px rgba(0, 170, 255, 0.3);
}

.btn-download-file-small:hover {
    background: linear-gradient(135deg, #00bfff 0%, #0077ff 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 170, 255, 0.4);
}

.btn-pause-small,
.btn-resume-small,
.btn-source-small {
    background: rgba(255, 200, 0, 0.2);
    border: 1px solid rgba(255, 200, 0, 0.5);
    color: #ffc800;
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85em;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 2px 8px rgba(255, 200, 0, 0.2);
    cursor: pointer;
    border: none;
}

.btn-resume-small {
    background: rgba(0, 255, 136, 0.2);
    border: 1px solid rgba(0, 255, 136, 0.5);
    color: #00ff88;
    box-shadow: 0 2px 8px rgba(0, 255, 136, 0.2);
}

.btn-source-small {
    background: rgba(170, 0, 255, 0.2);
    border: 1px solid rgba(170, 0, 255, 0.5);
    color: #aa00ff;
    box-shadow: 0 2px 8px rgba(170, 0, 255, 0.2);
}

.btn-pause-small:hover {
    background: rgba(255, 200, 0, 0.3);
    border-color: rgba(255, 200, 0, 0.7);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 200, 0, 0.4);
}

.btn-resume-small:hover {
    background: rgba(0, 255, 136, 0.3);
    border-color: rgba(0, 255, 136, 0.7);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 255, 136, 0.4);
}

.btn-source-small:hover {
    background: rgba(170, 0, 255, 0.3);
    border-color: rgba(170, 0, 255, 0.7);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(170, 0, 255, 0.4);
}

.queue-item-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.priority-buttons {
    display: flex;
    gap: 4px;
    align-items: center;
}

.btn-priority {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.8);
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8em;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
}

.btn-priority:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    color: #ffffff;
    transform: translateY(-1px);
}

.btn-priority:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.queue-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.btn-pause-all,
.btn-resume-all {
    background: rgba(255, 200, 0, 0.15);
    border: 1px solid rgba(255, 200, 0, 0.4);
    color: #ffc800;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9em;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 2px 8px rgba(255, 200, 0, 0.2);
}

.btn-resume-all {
    background: rgba(0, 255, 136, 0.15);
    border-color: rgba(0, 255, 136, 0.4);
    color: #00ff88;
    box-shadow: 0 2px 8px rgba(0, 255, 136, 0.2);
}

.btn-pause-all:hover {
    background: rgba(255, 200, 0, 0.25);
    border-color: rgba(255, 200, 0, 0.6);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 200, 0, 0.3);
}

.btn-resume-all:hover {
    background: rgba(0, 255, 136, 0.25);
    border-color: rgba(0, 255, 136, 0.6);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 255, 136, 0.3);
}

.status-paused {
    border-left-color: #ffc800;
    background: rgba(255, 200, 0, 0.05);
}

.downloads-section {
    margin-top: 50px;
    padding-top: 50px;
    border-top: 1px solid rgba(0, 170, 255, 0.2);
}

.downloads-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.btn-refresh,
.btn-open-folder {
    background: rgba(0, 170, 255, 0.15);
    border: 1px solid rgba(0, 170, 255, 0.4);
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95em;
    transition: all 0.3s ease;
    color: #ffffff;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 2px 8px rgba(0, 170, 255, 0.2);
    min-width: 140px;
    justify-content: center;
}

.btn-refresh:hover,
.btn-open-folder:hover {
    background: rgba(0, 170, 255, 0.25);
    border-color: rgba(0, 170, 255, 0.6);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 170, 255, 0.3);
}

.btn-refresh:active,
.btn-open-folder:active {
    transform: translateY(0);
}

.btn-refresh i {
    transition: transform 0.3s ease;
}

.btn-refresh:hover i {
    transform: rotate(180deg);
}

.btn-open-folder i {
    transition: transform 0.3s ease;
}

.btn-open-folder:hover i {
    transform: scale(1.1);
}

.downloads-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.download-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 24px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 8px;
    border: 1px solid rgba(0, 170, 255, 0.2);
    transition: all 0.3s ease;
}

.download-item:hover {
    background: rgba(0, 0, 0, 0.6);
    border-color: rgba(0, 170, 255, 0.4);
    box-shadow: 0 4px 15px rgba(0, 170, 255, 0.2);
    transform: translateY(-2px);
}

.download-item-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.file-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.file-name {
    font-weight: 500;
    color: #ffffff;
    word-break: break-word;
    font-size: 1.05em;
}

.file-size {
    font-size: 0.9em;
    color: rgba(255, 255, 255, 0.6);
}

.btn-view-folder {
    background: rgba(0, 170, 255, 0.15);
    border: 1px solid rgba(0, 170, 255, 0.4);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(0, 170, 255, 0.2);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.95em;
    font-family: inherit;
}

.btn-view-folder:hover {
    background: rgba(0, 170, 255, 0.25);
    border-color: rgba(0, 170, 255, 0.6);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 170, 255, 0.3);
}

.btn-view-folder:active {
    transform: translateY(0);
}

.btn-download-file {
    background: linear-gradient(135deg, #00aaff 0%, #0066ff 100%);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    white-space: nowrap;
    box-shadow: 0 4px 15px rgba(0, 170, 255, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-download-file:hover {
    background: linear-gradient(135deg, #00bfff 0%, #0077ff 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 170, 255, 0.4);
}

.loading-text,
.no-downloads,
.error-text {
    text-align: center;
    padding: 40px;
    color: rgba(255, 255, 255, 0.6);
    font-style: italic;
    font-size: 1.1em;
}

.error-text {
    color: #ff6666;
}

@media (max-width: 600px) {
    .header h1 {
        font-size: 2.2em;
    }
    
    .main-content {
        padding: 30px 20px;
    }
    
    .download-section h2,
    .downloads-section h2 {
        font-size: 1.6em;
    }
    
    .download-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .download-item-actions {
        flex-direction: column;
        width: 100%;
        gap: 10px;
    }
    
    .btn-view-folder,
    .btn-download-file {
        width: 100%;
        justify-content: center;
        margin-left: 0;
    }
    
    .downloads-actions {
        flex-direction: column;
    }
    
    .btn-refresh,
    .btn-open-folder {
        width: 100%;
    }
}