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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #0f0f0f;
    color: #e0e0e0;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    max-width: 540px;
    width: 100%;
    padding: 2rem;
}

h1 {
    font-size: 1.8rem;
    margin-bottom: 0.25rem;
    color: #fff;
}

.subtitle {
    color: #888;
    margin-bottom: 2rem;
}

.drop-zone {
    border: 2px dashed #333;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.drop-zone:hover,
.drop-zone.dragover {
    border-color: #4a9eff;
    background: rgba(74, 158, 255, 0.05);
}

.drop-zone p {
    color: #888;
}

.drop-zone .or {
    margin: 0.75rem 0;
    font-size: 0.85rem;
    color: #555;
}

.file-btn {
    display: inline-block;
    padding: 0.6rem 1.4rem;
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 8px;
    color: #e0e0e0;
    cursor: pointer;
    transition: background 0.2s;
}

.file-btn:hover {
    background: #252525;
}

.upload-info {
    margin-top: 1.5rem;
}

.file-name {
    font-weight: 500;
    margin-bottom: 0.75rem;
    word-break: break-all;
}

.progress-bar {
    height: 8px;
    background: #1a1a1a;
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: #4a9eff;
    border-radius: 4px;
    width: 0%;
    transition: width 0.3s;
}

.progress-text {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: #888;
}

.result {
    margin-top: 1.5rem;
}

.result p {
    margin-bottom: 0.75rem;
    color: #4a9eff;
    font-weight: 500;
}

.link-box {
    display: flex;
    gap: 0.5rem;
}

.link-box input {
    flex: 1;
    padding: 0.6rem 0.8rem;
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 8px;
    color: #e0e0e0;
    font-size: 0.9rem;
}

.btn {
    padding: 0.6rem 1.2rem;
    background: #4a9eff;
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background 0.2s;
    text-decoration: none;
    display: inline-block;
}

.btn:hover {
    background: #3a8eef;
}

.btn-secondary {
    background: #1a1a1a;
    border: 1px solid #333;
    margin-top: 0.75rem;
}

.btn-secondary:hover {
    background: #252525;
}

.error {
    margin-top: 1.5rem;
    padding: 1rem;
    background: rgba(255, 74, 74, 0.1);
    border: 1px solid rgba(255, 74, 74, 0.3);
    border-radius: 8px;
    color: #ff6b6b;
}

.download-card {
    background: #1a1a1a;
    border: 1px solid #252525;
    border-radius: 12px;
    padding: 2rem;
    margin-top: 2rem;
}

.download-card h2 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    word-break: break-all;
    color: #fff;
}

.file-details {
    margin-bottom: 1.5rem;
}

.file-details p {
    color: #888;
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
}

.file-details strong {
    color: #aaa;
}

.download-btn {
    display: block;
    text-align: center;
    padding: 0.8rem;
    font-size: 1rem;
}

.back-link {
    margin-top: 1.5rem;
    text-align: center;
}

.back-link a {
    color: #4a9eff;
    text-decoration: none;
}

.back-link a:hover {
    text-decoration: underline;
}

.hidden {
    display: none !important;
}

/* Login page */
.login-card {
    background: #1a1a1a;
    border: 1px solid #252525;
    border-radius: 12px;
    padding: 2rem;
    margin-top: 2rem;
}

.login-card h3 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: #fff;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
    color: #aaa;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.6rem 0.8rem;
    background: #0f0f0f;
    border: 1px solid #333;
    border-radius: 8px;
    color: #e0e0e0;
    font-size: 0.9rem;
    font-family: inherit;
}

.form-group textarea {
    font-family: monospace;
    font-size: 0.8rem;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4a9eff;
}

.login-btn {
    width: 100%;
    padding: 0.8rem;
    font-size: 1rem;
    margin-top: 0.5rem;
}

.help-text {
    color: #888;
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}

.code-block {
    background: #0f0f0f;
    border: 1px solid #333;
    border-radius: 8px;
    padding: 0.8rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.code-block code {
    flex: 1;
    font-family: monospace;
    font-size: 0.85rem;
    color: #4a9eff;
    word-break: break-all;
}

.btn-small {
    padding: 0.3rem 0.8rem;
    font-size: 0.8rem;
}

.logout-link {
    position: fixed;
    top: 1rem;
    right: 1rem;
}

.logout-link a {
    color: #888;
    text-decoration: none;
    font-size: 0.85rem;
}

.logout-link a:hover {
    color: #e0e0e0;
}