:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --primary-color: #3b82f6;
    --primary-glow: rgba(59, 130, 246, 0.5);
    --secondary-color: #64748b;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --success-color: #22c55e;
    --error-color: #ef4444;
    --warning-color: #eab308;
    --font-main: 'Outfit', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Background Blobs */
.background-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 10s infinite ease-in-out;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: var(--primary-color);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.blob-2 {
    width: 300px;
    height: 300px;
    background: #8b5cf6;
    bottom: -50px;
    right: -50px;
    animation-delay: 2s;
}

.blob-3 {
    width: 250px;
    height: 250px;
    background: #06b6d4;
    top: 40%;
    left: 40%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, 50px); }
}

/* Container */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 40px;
    animation: fadeInDown 0.8s ease-out;
}

.header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -1px;
}

.highlight {
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header p {
    color: var(--secondary-color);
    font-size: 1.1rem;
}

/* Glass Panel */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 10px;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--secondary-color);
    font-family: var(--font-main);
    font-size: 1rem;
    font-weight: 600;
    padding: 8px 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 8px;
}

.tab-btn:hover {
    color: var(--text-color);
    background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
    color: var(--text-color);
    background: rgba(255, 255, 255, 0.1);
}

/* Inputs */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

textarea {
    width: 100%;
    height: 200px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 15px;
    color: var(--text-color);
    font-family: 'Consolas', monospace;
    font-size: 0.9rem;
    resize: vertical;
    outline: none;
    transition: border-color 0.3s ease;
}

textarea:focus {
    border-color: var(--primary-color);
}

/* Upload Area */
.upload-area {
    border: 2px dashed var(--glass-border);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-area:hover, .upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.05);
}

.upload-area svg {
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.upload-area p {
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.browse-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--text-color);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-family: var(--font-main);
    transition: background 0.3s ease;
}

.browse-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.file-name {
    margin-top: 10px;
    color: var(--primary-color) !important;
    font-weight: 600;
}

/* Actions */
.actions {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.primary-btn, .secondary-btn {
    flex: 1;
    padding: 14px;
    border-radius: 12px;
    border: none;
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.primary-btn {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 20px var(--primary-glow);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-glow);
}

.primary-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.secondary-btn {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-color);
}

.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Results Section */
.results-section {
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

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

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.results-header h2 {
    font-size: 1.5rem;
}

.results-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.filter-group {
    display: flex;
    gap: 10px;
    background: var(--glass-bg);
    padding: 5px 10px;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
}

.filter-group label {
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
}

.icon-btn {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-color);
    padding: 8px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.icon-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Results Grid */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
}

.result-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 20px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.result-card:hover {
    transform: translateY(-3px);
    border-color: rgba(255, 255, 255, 0.2);
}

.result-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.result-card.online::before { background: var(--success-color); }
.result-card.offline::before { background: var(--error-color); }
.result-card.error::before { background: var(--warning-color); }

.result-url {
    font-weight: 600;
    margin-bottom: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
    color: var(--text-color);
    text-decoration: none;
}

.result-url:hover {
    text-decoration: underline;
}

.result-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.status-badge {
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
}

.online .status-badge { background: rgba(34, 197, 94, 0.2); color: var(--success-color); }
.offline .status-badge { background: rgba(239, 68, 68, 0.2); color: var(--error-color); }
.error .status-badge { background: rgba(234, 179, 8, 0.2); color: var(--warning-color); }

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

/* Loader */
.loader {
    width: 20px;
    height: 20px;
    border: 2px solid #ffffff;
    border-bottom-color: transparent;
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
}

.loader.hidden {
    display: none;
}

@keyframes rotation {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Responsive */
@media (max-width: 600px) {
    .header h1 { font-size: 2rem; }
    .results-grid { grid-template-columns: 1fr; }
    .results-header { flex-direction: column; gap: 15px; align-items: flex-start; }
}