/* =========================================
   TUTORIALS PAGE STYLES (Nuqta Docs)
   ========================================= */

:root {
    --doc-sidebar-width: 280px;
    --card-bg-glass: rgba(20, 20, 22, 0.7);
    --border-light: rgba(255, 255, 255, 0.08);
}

.docs-wrapper {
    padding-top: 110px;
    padding-bottom: 80px;
    min-height: 100vh;
}

.docs-container {
    display: flex;
    gap: 40px;
    position: relative;
    align-items: flex-start;
}

/* --- 1. Sidebar Styling --- */
.docs-sidebar {
    width: var(--doc-sidebar-width);
    flex-shrink: 0;
    position: sticky;
    top: 100px;
    z-index: 50;
}

.sidebar-inner {
    border-radius: 20px;
    overflow: hidden;
}

.glass-panel {
    background: var(--card-bg-glass);
    backdrop-filter: blur(15px);
    border: 1px solid var(--border-light);
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-light);
}
.sidebar-header h3 {
    font-size: 1.1rem; color: #fff; margin: 0;
    display: flex; align-items: center; gap: 10px;
}

.toc-nav {
    display: flex; flex-direction: column;
    padding: 10px;
}

.toc-nav a {
    color: var(--text-sub);
    padding: 14px 15px;
    border-radius: 10px;
    font-size: 0.95rem;
    display: flex; align-items: center; gap: 12px;
    transition: 0.3s;
    text-decoration: none;
    margin-bottom: 5px;
}

.toc-nav a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    transform: translateX(-5px);
}

.toc-nav a.active {
    background: rgba(74, 124, 89, 0.15);
    color: var(--primary);
    font-weight: bold;
    border-right: 3px solid var(--primary);
}

/* تمييز رابط Affinity */
.toc-nav a.featured-link {
    background: linear-gradient(90deg, rgba(0, 196, 204, 0.1), transparent); /* Canva Colors hint */
}
.toc-nav a.featured-link.active {
    background: linear-gradient(90deg, rgba(0, 196, 204, 0.2), transparent);
    color: #00c4cc; /* Canva Cyan */
    border-right-color: #00c4cc;
}
.toc-nav a.featured-link i { color: #00c4cc; }

.badge-new {
    background: #ff4d4f;
    color: #fff;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 4px;
    margin-right: auto;
}

.sidebar-promo {
    margin: 10px;
    background: linear-gradient(135deg, rgba(255,255,255,0.05), transparent);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    border-top: 1px solid var(--border-light);
}
.sidebar-promo p { font-size: 0.85rem; margin-bottom: 10px; color: #ccc; }
.promo-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 5px;
    background: var(--primary);
    color: #fff;
    padding: 8px 15px;
    border-radius: 6px;
    font-size: 0.85rem;
    width: 100%;
}

/* --- 2. Main Content Styling --- */
.docs-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.doc-section { scroll-margin-top: 120px; }

/* بطاقات المحتوى */
.content-card {
    border-radius: 20px;
    overflow: hidden;
    transition: transform 0.3s;
}

.card-header {
    padding: 30px;
    display: flex; align-items: center; gap: 20px;
    position: relative;
    overflow: hidden;
    min-height: 120px;
}

/* خلفيات الهيدر */
/* Affinity Mix: Canva Cyan + Affinity Purple */
.affinity-bg { background: linear-gradient(135deg, #00c4cc, #7e22ce); }
.photoshop-bg { background: linear-gradient(135deg, #001e36, #31a8ff); }
.premiere-bg { background: linear-gradient(135deg, #330033, #e10098); }
.cad-bg { background: linear-gradient(135deg, #3a0000, #c41e3a); }
.legacy-bg { background: linear-gradient(135deg, #333, #555); }

.bg-icon {
    font-size: 6rem;
    position: absolute;
    left: -20px; bottom: -30px;
    opacity: 0.15;
    transform: rotate(15deg);
}

.header-content { z-index: 1; position: relative; }

.top-badge {
    background: rgba(0,0,0,0.3);
    color: #fff;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    display: inline-flex; align-items: center; gap: 5px;
    margin-bottom: 10px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.2);
}

.card-header h2 {
    margin: 0; color: #fff; font-size: 1.8rem; font-weight: 800;
}
.sub-text { font-size: 1rem; opacity: 0.8; font-weight: normal; }

.card-body { padding: 30px; }
.card-body .lead { font-size: 1.1rem; margin-bottom: 30px; color: #e0e0e0; line-height: 1.7; }

/* Timeline Steps */
.steps-timeline {
    position: relative;
    padding-right: 25px;
    border-right: 2px solid rgba(255,255,255,0.1);
    margin: 30px 0;
}

.step-item { position: relative; margin-bottom: 35px; }
.step-item:last-child { margin-bottom: 0; }

.step-number {
    position: absolute;
    right: -41px; top: 0;
    width: 32px; height: 32px;
    background: var(--bg-core);
    border: 2px solid var(--primary);
    border-radius: 50%;
    color: var(--primary);
    font-weight: bold;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.85rem;
    z-index: 2;
}

.step-info h4 { margin: 0 0 8px 0; color: #fff; font-size: 1.1rem; }
.step-info p { margin: 0; font-size: 0.95rem; color: var(--text-sub); line-height: 1.6; }
.step-info code { background: rgba(255,255,255,0.1); padding: 2px 6px; border-radius: 4px; font-family: monospace; }

/* Alert Boxes */
.alert-box {
    margin-top: 30px;
    padding: 20px;
    border-radius: 12px;
    display: flex; align-items: flex-start; gap: 15px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.alert-box.info {
    background: rgba(0, 196, 204, 0.1); /* Canva Cyan Tint */
    border: 1px solid rgba(0, 196, 204, 0.3);
    color: #aaddff;
}
.alert-box.info i { font-size: 1.3rem; color: #00c4cc; margin-top: -2px; }

/* Feature Grid for smaller sections */
.tutorial-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.feature-box {
    background: rgba(255,255,255,0.03);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--border-light);
}
.feature-box i { font-size: 1.5rem; color: var(--primary); margin-bottom: 10px; display: block; }
.feature-box h5 { margin: 0 0 10px 0; color: #fff; }

.classic-list { padding-right: 20px; color: var(--text-sub); line-height: 1.8; }

/* --- Responsive --- */
@media (max-width: 900px) {
    .docs-container { flex-direction: column; gap: 20px; }
    .docs-sidebar { width: 100%; position: static; }
    .tutorial-grid { grid-template-columns: 1fr; }
    .card-header { padding: 20px; }
    .bg-icon { display: none; }
}