/* ============================================
   FRACTALIKA SHORTCODES - CSS UNIFICADO v6.0
   ============================================ */
:root {
    --fr-black: #000000;
    --fr-white: #ffffff;
    --fr-blue: #1976D2;
    --fr-gray-bg: #f5f5f5;
    --fr-border: 2px solid var(--fr-black);
    --fr-transition: all 0.2s ease;
}
.fr-box, .fr-quote, .fr-cta, .fr-sep, .fr-alert, .fr-grid, .fr-btn,
.fr-posts-grid, .fr-post-item, .fr-theme-toggle-form {
    box-sizing: border-box;
    font-family: 'Roboto', 'Helvetica Neue', sans-serif;
}

/* ===== FR-BOX y FR-QUOTE ===== */
.fr-box, .fr-quote.cinema-quote {
    background: linear-gradient(135deg, #000 0%, #0a0a0a 100%);
    color: white;
    padding: 60px 30px;
    margin: 40px 0;
    text-align: center;
    position: relative;
    box-shadow: 0 15px 30px rgba(0,0,0,0.25);
}
.fr-box::before, .fr-quote.cinema-quote::before,
.fr-box::after, .fr-quote.cinema-quote::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #1976D2, #42a5f5, #1976D2);
    animation: shimmer 3s infinite;
}
.fr-box::before, .fr-quote.cinema-quote::before { top: 0; }
.fr-box::after, .fr-quote.cinema-quote::after { bottom: 0; }
@keyframes shimmer { 0%,100%{opacity:0.7} 50%{opacity:1} }
.fr-box p, .fr-quote.cinema-quote p {
    font-family: 'Roboto Condensed', sans-serif;
    font-size: 1.5rem;
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin: 0;
}
.fr-quote-author {
    margin-top: 20px;
    color: #42a5f5;
    letter-spacing: 2px;
}

/* ===== FR-CTA ===== */
.fr-cta {
    background: var(--fr-gray-bg);
    padding: 40px;
    margin: 50px 0;
    border: var(--fr-border);
    text-align: center;
    position: relative;
}
.fr-cta::before {
    content: "";
    position: absolute;
    top: -2px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--fr-black);
}
.fr-cta-title {
    font-family: 'Roboto Condensed', sans-serif;
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 2px;
    margin-bottom: 20px;
    text-transform: uppercase;
}
.fr-cta-description {
    max-width: 640px;
    margin: 0 auto 30px;
    color: #444;
}
.fr-cta-button .btn, .fr-cta a {
    display: inline-block;
    padding: 12px 30px;
    background: var(--fr-black);
    color: white;
    border: 2px solid var(--fr-black);
    font-family: 'Roboto Condensed', sans-serif;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-decoration: none;
    transition: var(--fr-transition);
}
.fr-cta-button .btn:hover, .fr-cta a:hover {
    background: transparent;
    color: var(--fr-black);
}

/* ===== FR-GRID ===== */
.fr-grid-container {
    display: grid;
    gap: 20px;
    margin: 30px 0;
}
.fr-grid-cols-2 { grid-template-columns: repeat(2,1fr); }
.fr-grid-cols-3 { grid-template-columns: repeat(3,1fr); }
.fr-grid-cols-4 { grid-template-columns: repeat(4,1fr); }
.fr-grid-item {
    background: var(--fr-gray-bg);
    padding: 30px;
    border: 1px solid #ddd;
    border-top: 3px solid var(--fr-black);
    text-align: center;
}
.fr-grid-item:hover {
    transform: translateY(-3px);
    border-top-color: var(--fr-blue);
}

/* ===== FR-ALERT ===== */
.fr-alert {
    padding: 20px;
    margin: 20px 0;
    border-left: 4px solid;
    background: var(--fr-gray-bg);
}
.fr-alert-info { border-left-color: var(--fr-blue); }
.fr-alert-success { border-left-color: #4caf50; }

/* ===== FR-BTN ===== */
.fr-btn, .btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--fr-black);
    color: white;
    border: 2px solid var(--fr-black);
    font-family: 'Roboto Condensed', sans-serif;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-decoration: none;
    transition: var(--fr-transition);
}
.fr-btn:hover, .btn:hover {
    background: transparent;
    color: var(--fr-black);
}

/* ===== FR-SEP ===== */
.fr-sep {
    margin: 40px auto;
    text-align: center;
}
.fr-sep-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, #999, transparent);
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
}
.fr-sep-dots::before { content: "•••"; letter-spacing: 10px; font-size: 1.5rem; }

/* ===== FR-POSTS (estilo que ya funciona) ===== */
.fr-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px,1fr));
    gap: 20px;
    margin: 30px 0;
}
.fr-post-item {
    background: white;
    border: var(--fr-border);
    padding: 15px;
    transition: var(--fr-transition);
}
.fr-post-terminal {
    background: black;
    color: white;
    padding: 6px;
    text-align: center;
    font-family: monospace;
    margin-bottom: 10px;
}
.fr-post-thumbnail img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.fr-post-metadata {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    padding: 6px 0;
    border-top: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
    margin: 8px 0;
}
.fr-post-titulo {
    text-align: center;
    font-size: 1rem;
    margin: 10px 0;
}
.fr-post-btn {
    display: inline-block;
    padding: 6px 16px;
    border: 2px solid black;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 0.7rem;
}
.fr-post-btn:hover { background: black; color: white; }

/* ===== THEME TOGGLE ===== */
.fr-theme-toggle-btn {
    background: black;
    color: white;
    border: 2px solid black;
    padding: 8px 20px;
    cursor: pointer;
    text-transform: uppercase;
}
.fr-theme-toggle-btn:hover { background: white; color: black; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .fr-grid-cols-2, .fr-grid-cols-3, .fr-grid-cols-4 {
        grid-template-columns: 1fr;
    }
    .fr-posts-grid {
        grid-template-columns: 1fr;
    }
    .fr-btn, .btn, .fr-cta-button .btn {
        width: 100%;
        text-align: center;
        margin: 5px 0;
    }
}