/* --- Modern Design System --- */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --surface-color: rgba(255, 255, 255, 0.9);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-neon: 0 0 15px rgba(118, 75, 162, 0.5);

    /* Radius */
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: #f3f4f6;
    background-image: 
        radial-gradient(at 0% 0%, hsla(253,16%,7%,1) 0, transparent 50%), 
        radial-gradient(at 50% 0%, hsla(225,39%,30%,1) 0, transparent 50%), 
        radial-gradient(at 100% 0%, hsla(339,49%,30%,1) 0, transparent 50%);
    background-attachment: fixed;
    background-size: cover;
    color: var(--text-primary);
    min-height: 100vh;
    margin: 0;
    padding-bottom: 2rem;
}

/* --- Glassmorphism Components --- */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl), var(--shadow-neon);
}

.glass-navbar {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: var(--shadow-sm);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.025em;
    color: #111827;
}

.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Buttons --- */
.btn-primary-gradient {
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(118, 75, 162, 0.3);
}

.btn-primary-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 7px 14px rgba(118, 75, 162, 0.4);
    color: white;
}

.btn-outline-gradient {
    background: white;
    color: #764ba2;
    border: 2px solid #764ba2;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-gradient:hover {
    background: #764ba2;
    color: white;
}

/* --- Form Elements --- */
.form-control {
    border-radius: 0.5rem;
    border: 1px solid #e5e7eb;
    padding: 0.75rem 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    background-color: rgba(255, 255, 255, 0.9);
}

.form-control:focus {
    border-color: #764ba2;
    box-shadow: 0 0 0 3px rgba(118, 75, 162, 0.1);
}

/* --- Animations --- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

/* --- Custom Scrollbar --- */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1; 
}
 
::-webkit-scrollbar-thumb {
    background: #888; 
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555; 
}

/* --- Badges --- */
.badge-custom {
    padding: 0.5em 1em;
    border-radius: 2rem;
    font-weight: 600;
    font-size: 0.85em;
}

.badge-unlocked {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.badge-locked {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}