/* ==========================================================================
   شريط التنقل الخاص بالطالب (Student Navbar)
   ========================================================================== */
.nav-controls { display: flex; align-items: center; gap: 20px; }

.xp-badge { 
    background: #fffbeb; color: #b45309; border: 2px solid #fde68a; 
    padding: 8px 15px; border-radius: 20px; font-weight: 700; 
    display: flex; align-items: center; gap: 8px; font-size: 1.1rem; 
}

.btn-logout { 
    background: #f8f9fa; color: var(--danger-color); padding: 8px 15px; 
    border-radius: 8px; text-decoration: none; font-weight: 600; 
    transition: var(--transition); border: 1px solid #dee2e6; 
}
.btn-logout:hover { background: var(--danger-color); color: #fff; }

/* ==========================================================================
   الترويسة الترحيبية (Student Header)
   ========================================================================== */
.student-header { 
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)); 
    color: white; padding: 50px 20px; text-align: center; 
    border-radius: 0 0 30px 30px; margin-bottom: 40px;
    box-shadow: 0 10px 20px rgba(0, 180, 216, 0.15);
}
.student-header h1 { font-size: 2.2rem; margin-bottom: 10px; font-weight: 900;}
.student-header p { font-size: 1.2rem; opacity: 0.9; }

/* ==========================================================================
   شبكة الدروس (Lessons Grid)
   ========================================================================== */
.lessons-grid { 
    display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); 
    gap: 25px; margin-bottom: 50px;
}

.lesson-card { 
    background: var(--card-bg); border-radius: 12px; padding: 25px; 
    box-shadow: 0 4px 10px rgba(0,0,0,0.05); transition: var(--transition); 
    border-top: 4px solid var(--primary-color); display: flex; flex-direction: column; 
}
.lesson-card:hover { transform: translateY(-5px); box-shadow: 0 8px 20px rgba(0,0,0,0.1); }

.lesson-icon { font-size: 2.5rem; color: var(--primary-color); margin-bottom: 15px; }
.lesson-title { font-size: 1.4rem; color: var(--text-color); margin-bottom: 15px; flex-grow: 1; font-weight: 800;}

/* أزرار الإجراءات للدروس */
.btn-view { 
    display: inline-flex; align-items: center; justify-content: center; gap: 8px; 
    padding: 12px; text-decoration: none; border-radius: 8px; font-weight: 700; 
    transition: var(--transition); width: 100%; margin-top: 10px; font-family: 'Cairo', sans-serif;
}
.btn-view-light { background-color: #f1f5f9; color: var(--primary-color); border: 1px solid #e2e8f0; }
.btn-view-light:hover { background-color: #e2e8f0; }

@media (max-width: 768px) {
    .nav-controls { gap: 10px; }
    .xp-badge { font-size: 0.9rem; padding: 6px 10px; }
    .btn-logout { padding: 6px 10px; font-size: 0.9rem; }
    .student-header h1 { font-size: 1.8rem; }
}