/* Y Combinator / Tech Aesthetic */
:root {
    --color-bg: #ffffff;
    --color-text: #000000;
    --color-orange: #ff6600;
    --color-orange-light: #ff8533;
    --color-gray: #828282;
    --color-gray-light: #f6f6ef;
    --color-border: #e5e5e5;
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Consolas', monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

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

/* Header */
header {
    text-align: center;
    margin-bottom: 48px;
}

header h1 {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 8px;
}

header h1::before {
    content: '>';
    color: var(--color-orange);
    margin-right: 8px;
}

.tagline {
    color: var(--color-gray);
    font-size: 1rem;
    font-family: var(--font-mono);
}

/* Generator Section */
.generator-section {
    background: var(--color-gray-light);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 32px;
}

/* Categories */
.categories h2 {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    color: var(--color-gray);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 32px;
}

.category-btn {
    padding: 12px 16px;
    border: 2px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.category-btn:hover {
    border-color: var(--color-orange);
}

.category-btn.active {
    background: var(--color-orange);
    border-color: var(--color-orange);
    color: white;
}

/* Generate Button */
.generate-btn {
    width: 100%;
    padding: 16px 32px;
    background: var(--color-orange);
    color: white;
    border: none;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s ease;
    margin-bottom: 32px;
}

.generate-btn:hover {
    background: var(--color-orange-light);
    transform: translateY(-1px);
}

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

.btn-icon {
    font-size: 1.25rem;
}

/* Results Section */
.results-section {
    margin-bottom: 32px;
}

.results-section h2,
.saved-section h2 {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    color: var(--color-gray);
}

.results-list,
.saved-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.name-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.2s ease;
}

.name-card:hover {
    border-color: var(--color-orange);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.name-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.name-text {
    font-family: var(--font-mono);
    font-size: 1.125rem;
    font-weight: 600;
}

.domain-badge {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 600;
}

.domain-badge.available {
    background: #d4edda;
    color: #155724;
}

.domain-badge.taken {
    background: #f8d7da;
    color: #721c24;
}

.name-actions {
    display: flex;
    gap: 8px;
}

.action-btn {
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.action-btn:hover {
    border-color: var(--color-orange);
    color: var(--color-orange);
}

.action-btn.liked {
    background: var(--color-orange);
    border-color: var(--color-orange);
    color: white;
}

/* Saved Section */
.saved-section {
    border-top: 1px solid var(--color-border);
    padding-top: 32px;
}

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

.empty-state {
    text-align: center;
    padding: 32px;
    color: var(--color-gray);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

/* Footer */
footer {
    text-align: center;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
}

footer p {
    color: var(--color-gray);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--color-text);
    color: white;
    padding: 12px 24px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Responsive */
@media (max-width: 600px) {
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    header h1 {
        font-size: 1.75rem;
    }

    .name-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .name-actions {
        width: 100%;
        justify-content: flex-end;
    }
}