@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --zone-border: rgba(255, 255, 255, 0.2);
    --zone-hover: rgba(59, 130, 246, 0.2);
    --success-color: #10b981;
}

body {
    margin: 0;
    min-height: 100vh;
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.15) 0px, transparent 50%);
    font-family: 'Inter', system-ui, sans-serif;
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 3rem 1rem;
    box-sizing: border-box;
    overflow-y: auto;
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 1.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.container {
    width: 100%;
    max-width: 650px;
    padding: 2.5rem;
}

.title {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 600;
    margin-top: 0;
    margin-bottom: 2rem;
    letter-spacing: 0.05em;
}

.upload-zone {
    border: 2px dashed var(--zone-border);
    border-radius: 1rem;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--accent-color);
    background-color: var(--zone-hover);
}

.upload-zone input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.upload-prompt svg {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.upload-prompt p {
    margin: 0.5rem 0;
    font-size: 1.1rem;
    font-weight: 500;
}

.upload-prompt .sub-text {
    font-size: 0.9rem;
    color: #94a3b8;
    font-weight: 400;
}

.hidden {
    display: none !important;
}

.progress-container {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.progress-item {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 0.75rem;
    padding: 1rem;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.progress-bar-bg {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--accent-color);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 4px;
}

.result-container {
    margin-top: 2rem;
    animation: fadeIn 0.5s ease;
}

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

.section-title {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.links-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.result-item {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding-bottom: 0.8rem;
}

.file-name {
    font-weight: 500;
    word-break: break-all;
    flex: 1;
}

.success-badge {
    color: var(--success-color);
    font-size: 0.85rem;
    padding: 0.25rem 0.5rem;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 0.5rem;
    margin-left: 1rem;
}

.result-body {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

@media (max-width: 480px) {
    .result-body {
        flex-direction: column;
        align-items: flex-start;
    }
}

.qr-code-box {
    background: #fff;
    padding: 0.5rem;
    border-radius: 0.5rem;
    flex-shrink: 0;
}

.link-actions {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    width: 100%;
}

.url-input {
    width: 100%;
    padding: 0.8rem;
    background: rgba(0,0,0,0.4);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 0.5rem;
    color: var(--text-color);
    font-family: monospace;
    font-size: 0.9rem;
    box-sizing: border-box;
}

.url-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.btn-row {
    display: flex;
    gap: 0.5rem;
}

.btn {
    padding: 0.6rem 1rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    flex: 1;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-color);
}

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