:root {
    --bg-color: #0b0f19;
    --card-bg: #151f32;
    --block-bg: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --border-color: #243249;
    --success: #10b981;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    padding: 3rem 2rem;
}

header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem auto;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.05em;
    margin-bottom: 0.5rem;
}

header p {
    color: var(--text-muted);
}

.search-container {
    margin-top: 1.5rem;
}

.search-container input {
    width: 100%;
    padding: 1rem 1.5rem;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-main);
    font-size: 1rem;
    outline: none;
    transition: all 0.2s;
}

.search-container input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

/* Categorias */
.category-section {
    max-width: 1200px;
    margin: 0 auto 3.5rem auto;
}

.section-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-main);
    border-left: 4px solid var(--accent);
    padding-left: 0.75rem;
}

/* Grid de Links */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 1.75rem;
    border-radius: 14px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 160px;
    transition: all 0.2s;
}

.card:hover {
    transform: translateY(-3px);
    border-color: var(--accent);
}

.card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.card-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.card-link:hover {
    color: var(--accent-hover);
}

/* Grid de Caixas de Texto (Prompts / Ângulos) */
.text-blocks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
    gap: 1.5rem;
}

@media (max-width: 600px) {
    .text-blocks-grid {
        grid-template-columns: 1fr;
    }
}

.text-block {
    background-color: var(--block-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
}

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

.block-header h4 {
    font-size: 1rem;
    font-weight: 600;
}

.copy-btn {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
}

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

/* Área do Prompt */
.prompt-text {
    width: 100%;
    height: 110px;
    background-color: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    resize: none;
    outline: none;
    line-height: 1.4;
}