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

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent: #58a6ff;
    --accent-hover: #1f6feb;
    --border: #30363d;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #58a6ff, #a371f7, #ff7b72);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.input-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

#inputText {
    width: 100%;
    min-height: 120px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    font-size: 1.1rem;
    color: var(--text-primary);
    resize: vertical;
    outline: none;
    transition: border-color 0.3s;
}

#inputText:focus {
    border-color: var(--accent);
}

.char-count {
    text-align: right;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

.output-section {
    display: grid;
    gap: 1rem;
}

.output-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.output-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(88, 166, 255, 0.1);
    border-color: var(--accent);
}

.output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.output-label {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.copy-btn {
    background: var(--accent);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

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

.output-text {
    font-size: 1.3rem;
    word-break: break-all;
    min-height: 1.6rem;
    color: var(--text-primary);
}

.output-text.empty {
    color: var(--text-secondary);
    font-style: italic;
    font-size: 1rem;
}

.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--accent);
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* Navegación rápida */
.quick-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.nav-link {
    color: var(--accent);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.nav-link:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* Sección de información */
.info-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    margin: 3rem 0;
}

.info-section h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--accent);
    font-size: 1.8rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.info-card {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-tertiary);
    border-radius: 10px;
    transition: transform 0.3s;
}

.info-card:hover {
    transform: translateY(-5px);
}

.info-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 1rem;
}

.info-card h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.info-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Lista de estilos */
.styles-list {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 3rem;
}

.styles-list h2 {
    color: var(--accent);
    margin-bottom: 1.5rem;
    font-size: 1.6rem;
}

.styles-ul {
    list-style: none;
    display: grid;
    gap: 0.75rem;
}

.styles-ul li {
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
    color: var(--text-primary);
    transition: transform 0.2s;
}

.styles-ul li:hover {
    transform: translateX(5px);
    background: rgba(88, 166, 255, 0.1);
}

.styles-ul strong {
    color: var(--accent);
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid var(--border);
    margin-top: 2rem;
}

footer p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.copyright {
    font-size: 0.8rem !important;
}

@media (max-width: 600px) {
    header h1 {
        font-size: 1.8rem;
    }

    .container {
        padding: 1rem;
    }

    .output-text {
        font-size: 1.1rem;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }
}