@import url('https://fonts.googleapis.com/css2?family=Tajawal:wght@300;400;500;700;800;900&display=swap');

:root {
    /* Premium Dark Theme Colors */
    --bg: #090e17;
    --surface: #111827;
    --surface-light: #1f2937;
    --primary: #6366f1;
    --primary-glow: rgba(99, 102, 241, 0.4);
    --secondary: #10b981;
    --secondary-glow: rgba(16, 185, 129, 0.4);
    --accent: #f59e0b;
    --accent-glow: rgba(245, 158, 11, 0.4);
    --text: #f9fafb;
    --text-light: #9ca3af;
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-full: 9999px;
    
    --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    --font-main: 'Tajawal', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: var(--font-main); }
body { 
    background-color: var(--bg); 
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.05), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(16, 185, 129, 0.05), transparent 25%);
    color: var(--text); 
    direction: rtl; 
    line-height: 1.7; 
    -webkit-font-smoothing: antialiased; 
    min-height: 100vh;
}

/* Navbar: Glassmorphism */
nav { 
    background: rgba(17, 24, 39, 0.6); 
    backdrop-filter: blur(20px); 
    -webkit-backdrop-filter: blur(20px);
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    padding: 1.25rem 5%; 
    position: sticky; 
    top: 0; 
    z-index: 1000; 
    border-bottom: 1px solid var(--border); 
}
.nav-logo { 
    font-size: 1.8rem; 
    font-weight: 900; 
    color: var(--text); 
    text-decoration: none; 
    display: flex; 
    align-items: center; 
    gap: 0.75rem; 
    letter-spacing: -0.5px;
}
.nav-logo i {
    color: var(--primary);
    text-shadow: 0 0 15px var(--primary-glow);
}
.nav-links { display: flex; gap: 2.5rem; }
.nav-links a { 
    color: var(--text-light); 
    text-decoration: none; 
    font-weight: 600; 
    font-size: 1.1rem;
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition);
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px; left: 50%; transform: translateX(-50%);
    width: 0; height: 3px;
    background: var(--primary);
    border-radius: var(--radius-full);
    transition: var(--transition);
    box-shadow: 0 0 10px var(--primary-glow);
}
.nav-links a:hover { color: var(--text); text-shadow: 0 0 8px rgba(255,255,255,0.3); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--primary); text-shadow: 0 0 8px var(--primary-glow); }

.nav-user { display: flex; align-items: center; gap: 1.25rem; }
.points-badge { 
    background: rgba(245, 158, 11, 0.1); 
    color: var(--accent); 
    padding: 0.5rem 1.25rem; 
    border-radius: var(--radius-full); 
    font-weight: 900; 
    display: flex; 
    align-items: center; 
    gap: 0.5rem; 
    border: 1px solid rgba(245, 158, 11, 0.3);
    box-shadow: 0 0 15px var(--accent-glow);
    font-size: 1.1rem;
}

#ui-username {
    font-weight: 700; color: var(--text); padding: 0.5rem 1rem;
    border-radius: var(--radius-md); transition: var(--transition);
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
}
#ui-username:hover { background: rgba(255,255,255,0.08); }

/* Main Container */
.container { padding: 4rem 5%; max-width: 1400px; margin: 0 auto; }

/* Buttons */
.btn { 
    padding: 1rem 2rem; 
    background: var(--primary); 
    color: #fff; border: none; 
    border-radius: var(--radius-md); 
    cursor: pointer; font-weight: 800; 
    text-decoration: none; 
    display: inline-flex; align-items: center; justify-content: center;
    gap: 0.75rem; 
    transition: var(--transition); 
    font-size: 1.1rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
}
.btn::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.2), transparent);
    transform: translateX(-100%); transition: 0.6s; z-index: -1;
}
.btn:hover::before { transform: translateX(100%); }
.btn:hover:not(:disabled) { 
    transform: translateY(-3px); 
    box-shadow: 0 10px 20px -5px var(--primary-glow);
}
.btn-success { background: var(--secondary); }
.btn-success:hover:not(:disabled) { box-shadow: 0 10px 20px -5px var(--secondary-glow); }
.btn-outline { background: transparent; border: 2px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); background: rgba(99,102,241,0.05); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

/* Cards & Grid */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2.5rem; }
.card { 
    background: var(--surface); 
    border-radius: var(--radius-lg); 
    padding: 2.5rem; 
    border: 1px solid var(--border); 
    transition: var(--transition); 
    position: relative;
    overflow: hidden;
}
.card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    opacity: 0; transition: var(--transition);
}
.card-hover:hover { 
    transform: translateY(-8px); 
    border-color: var(--border-hover);
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.5);
}
.card-hover:hover::before { opacity: 1; }

/* Dashboard Typography Utilities */
.section-title {
    font-size: 2.2rem; font-weight: 900; color: var(--text);
    margin-bottom: 2.5rem; display: flex; align-items: center; gap: 1rem;
}
.section-title i {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
    padding: 1rem; border-radius: var(--radius-md);
    box-shadow: inset 0 0 15px rgba(99, 102, 241, 0.1);
}
.text-light { color: var(--text-light); }
.mb-2 { margin-bottom: 1rem; } .mb-4 { margin-bottom: 2rem; } .mt-4 { margin-top: 2rem; }

/* Modals */
.modal-overlay { 
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; 
    background: rgba(9, 14, 23, 0.8); backdrop-filter: blur(10px); 
    z-index: 2000; display: none; align-items: center; justify-content: center; 
}
.modal-content { 
    background: var(--surface); padding: 3.5rem; border-radius: var(--radius-lg); 
    width: 90%; max-width: 480px; text-align: center; 
    border: 1px solid var(--border);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 40px var(--primary-glow);
    animation: zoomIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
@keyframes zoomIn { from { transform: scale(0.8); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal-content h2 { font-size: 2rem; margin-bottom: 1rem; }
.modal-content p { color: var(--text-light); margin-bottom: 2rem; }
.modal-content input { 
    width: 100%; padding: 1.25rem; border: 2px solid var(--border); 
    border-radius: var(--radius-md); margin-bottom: 1.5rem; font-size: 1.1rem; 
    background: var(--bg); color: var(--text); outline: none; transition: var(--transition);
}
.modal-content input:focus { 
    border-color: var(--primary); box-shadow: 0 0 15px var(--primary-glow); 
}
.error-msg { 
    background: rgba(239, 68, 68, 0.1); color: #f87171; padding: 1rem;
    border-radius: var(--radius-md); font-weight: 700; margin-bottom: 1.5rem;
    border: 1px solid rgba(239, 68, 68, 0.2); display: none;
}

/* Toast */
#toast { 
    visibility: hidden; min-width: 320px; background: var(--surface-light); 
    color: #fff; text-align: center; border-radius: var(--radius-md); 
    padding: 1.25rem 2rem; position: fixed; z-index: 3000; 
    left: 50%; transform: translateX(-50%) translateY(30px); bottom: 40px; 
    font-weight: 700; border: 1px solid var(--border);
    box-shadow: 0 15px 30px rgba(0,0,0,0.5); opacity: 0; transition: var(--transition);
    display: flex; align-items: center; justify-content: center; gap: 1rem; font-size: 1.1rem;
}
#toast i { color: var(--secondary); font-size: 1.25rem; }
#toast.show { visibility: visible; opacity: 1; transform: translateX(-50%) translateY(0); }

/* Progress */
.progress-bg { background: var(--bg); height: 12px; border-radius: var(--radius-full); overflow: hidden; border: 1px solid var(--border); }
.progress-fill { background: linear-gradient(90deg, var(--primary), #8b5cf6); height: 100%; border-radius: var(--radius-full); transition: width 1s ease-out; box-shadow: 0 0 10px var(--primary-glow); }

/* =========================================
   RESPONSIVE DESIGN (MOBILE & TABLETS)
========================================= */
@media (max-width: 968px) {
    /* Container & Layout */
    .container { padding: 3rem 5%; }
    
    
    
    
    
    
    /* Grids */
    .grid-2 { grid-template-columns: 1fr; gap: 1.5rem; }
    
    /* Typography */
    .section-title { font-size: 1.8rem; }
    h1, h2, h3 { line-height: 1.4; }
    
    /* Modal */
    .modal-content { padding: 2rem 1.5rem; width: 95%; }
    .modal-content h2 { font-size: 1.5rem; }
    
    /* Button */
    .btn { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
    .container { padding: 2rem 1rem; }
    .section-title { font-size: 1.5rem; flex-direction: column; align-items: flex-start; gap: 0.5rem; }
    .nav-links { font-size: 1rem; gap: 0.5rem; }
}

/* Mobile Navbar Custom CSS */
.menu-toggle {
    display: none;
    font-size: 1.8rem;
    color: var(--text);
    cursor: pointer;
    transition: var(--transition);
}
.menu-toggle:hover {
    color: var(--primary);
    text-shadow: 0 0 10px var(--primary-glow);
}

@media (max-width: 968px) {
    nav { 
        flex-direction: row; 
        justify-content: flex-start; /* Flow from right to left */
        flex-wrap: nowrap; 
        padding: 1rem 5%; 
        align-items: center;
    }
    
    .nav-logo { order: 1; z-index: 1002; }
    .nav-user { order: 2; z-index: 1002; margin-right: auto; margin-left: 1.5rem; }
    .menu-toggle { display: block; order: 3; z-index: 1002; }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(9, 14, 23, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        transition: right 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
        z-index: 1001;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links a { font-size: 1.5rem; }
    .points-badge { font-size: 0.95rem; padding: 0.4rem 1rem; }
}

@media (max-width: 480px) {
    .points-badge { font-size: 0.9rem; padding: 0.3rem 0.6rem; }
    .nav-logo { font-size: 1.4rem; }
}