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

body {
    font-family: 'Fira Code', 'Hack', 'Source Code Pro', 'Iosevka', 'Meslo', 'Monoid', 'Terminus', 'Noto Mono', monospace;
    background: #ffffff;
    color: #1a1a1a;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    line-height: 1.6;
}

@media (prefers-color-scheme: dark) {
    body {
        background: #1a1a1a;
        color: #e0e0e0;
    }
}

.container {
    max-width: 600px;
    width: 100%;
}

header {
    margin-bottom: 40px;
}

header h1 {
    font-size: 2rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.tagline {
    font-size: 0.9rem;
    opacity: 0.7;
}

.section {
    margin-bottom: 20px;
}

.section.hidden {
    display: none;
}

.description {
    font-size: 0.95rem;
    margin-bottom: 24px;
    opacity: 0.8;
}

.btn.primary,
.btn.secondary {
    padding: 12px 24px;
    font-size: 0.9rem;
    font-family: inherit;
    border: 2px solid #1a1a1a;
    background: transparent;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
}

@media (prefers-color-scheme: dark) {
    .btn.primary,
    .btn.secondary {
        border-color: #e0e0e0;
    }
}

.btn.primary {
    background: #1a1a1a ;
    color: #ffffff;
}

@media(prefers-color-scheme: dark) {
    .btn.primary {
        background: #e0e0e0;
        color: #1a1a1a;
    }
}

.btn-primary:hover {
    opacity: 0.8;
}

.btn-secondary {
    margin-left: 10px;
}

.btn-secondary:hover {
    background: #e0e0e0;
    color: #1a1a1a;
}

@media (prefers-color-scheme: dark) {
    .btn-secondary:hover {
        background: #e0e0e0;
        color:#1a1a1a;
    }
}

.btn-secondary.success {
    background: #1a1a1a;
    color: #ffffff;
}

@media (prefers-color-scheme: dark) {
    .btn-secondary.success {
        background: #e0e0e0;
        color: #1a1a1a;
    }
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid transparent;
    border-top: 3px solid #1a1a1a;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

@media (prefers-color-scheme: dark) {
    .spinner {
        border-top-color: #e0e0e0;
    }
}

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

.link-box {
    border: 1px solid #e0e0e0;
    padding: 16px;
    margin-bottom: 16px;
}

@media (prefers-color-scheme: dark) {
    .link-box {
        border-color: #404040;
    }
}

.link-box h3 {
    font-size: 0.9rem;
    margin-bottom: 12px;
    font-weight: 600;
}

.link-container {
    display: flex;
    gap: 8px;
}

.link-container input {
    flex: 1;
    padding: 10px;
    border: 1px solid #d0d0d0;
    background: transparent;
    font-size: 0.85rem;
    font-family: inherit;
    color: inherit;
}

@media (prefers-color-scheme: dark) {
    .link-container input {
        border-color: #404040;
    }
}

.link-container input:focus {
    outline: none;
    border-color: #1a1a1a;
}

@media (prefers-color-scheme: dark) {
    .link-container input:focus {
        border-color: #e0e0e0;
    }
}

.hint {
    font-size: 0.8rem;
    margin-top: 8px;
    opacity: 0.7;
}

.hint.warning {
    opacity: 1;
    font-weight: 500;
}

.actions{
    margin-top: 24px;
}

.error-message {
    border: 1px solid #1a1a1a;
    padding: 12px;
    margin-bottom: 16px;
    font-weight: 500;
    font-size: 0.9rem;
}

@media (prefers-color-scheme: dark) {
    .error-message {
        border-color: e0e0e0;
    }
}

footer {
    margin-top: 40px;
    padding-top: 16px;
    border-top: 1px solid #d0d0d0;
    font-size: 0.8rem;
    opacity: 0.7;
}

@media (prefers-color-scheme: dark) {
    footer {
        border-color: #404040;
    }
}