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

/* ==========================================================================
   SkillSphere Custom Premium Styles
   ========================================================================== */

:root {
    /* Color Palette */
    --primary-indigo: #4F46E5;
    --primary-indigo-hover: #4338CA;
    --secondary-slate: #64748B;
    --accent-blue: #0EA5E9;
    --dark-bg: #0F172A;
    --dark-surface: #1E293B;
    --light-bg: #F8FAFC;
    --light-surface: #FFFFFF;
    --text-main: #0F172A;
    --text-muted: #64748B;
    --border-light: #E2E8F0;
    
    /* Layout */
    --border-radius-sm: 0.5rem;
    --border-radius-md: 1rem;
    --border-radius-lg: 1.5rem;
    --border-radius-xl: 2rem;
    
    /* Shadows */
    --shadow-soft: 0 4px 20px rgba(15, 23, 42, 0.05);
    --shadow-hover: 0 10px 25px rgba(79, 70, 229, 0.15);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--light-bg);
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, .brand-font {
    font-family: 'Outfit', sans-serif;
}

/* ==========================================================================
   Glassmorphism & Utilities
   ========================================================================== */
.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: var(--shadow-soft);
}

.glass-nav {
    background: rgba(15, 23, 42, 0.85) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.shadow-soft {
    box-shadow: var(--shadow-soft) !important;
}

.rounded-xl { border-radius: var(--border-radius-xl) !important; }
.rounded-lg { border-radius: var(--border-radius-lg) !important; }

/* ==========================================================================
   Components
   ========================================================================== */
/* Feature Cards */
.feature-card {
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    border-radius: var(--border-radius-lg);
    background: var(--light-surface);
    border: 1px solid var(--border-light);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover) !important;
    border-color: rgba(79, 70, 229, 0.3);
}

.feature-card:hover .icon-wrapper {
    background-color: rgba(79, 70, 229, 0.1);
    transform: scale(1.1);
}

.icon-wrapper {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: var(--light-bg);
    transition: all 0.3s ease;
}

/* Buttons */
.btn {
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.6rem 1.5rem;
}

.btn-primary {
    background-color: var(--primary-indigo);
    border-color: var(--primary-indigo);
}

.btn-primary:hover {
    background-color: var(--primary-indigo-hover);
    border-color: var(--primary-indigo-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.btn-outline-primary {
    color: var(--primary-indigo);
    border-color: var(--primary-indigo);
}

.btn-outline-primary:hover {
    background-color: var(--primary-indigo);
    color: white;
}

.btn:active {
    transform: translateY(0);
}

/* Forms */
.form-control, .form-select {
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-light);
    background-color: var(--light-bg);
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
    border-color: var(--primary-indigo);
    background-color: var(--light-surface);
}

.form-floating > label {
    padding-left: 1rem;
    color: var(--text-muted);
}

/* ==========================================================================
   Animations
   ========================================================================== */
.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--light-bg); 
}
::-webkit-scrollbar-thumb {
    background: var(--border-light); 
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-slate); 
}

/* Sidebar for Dashboards */
.sidebar {
    height: calc(100vh - 70px);
    position: sticky;
    top: 70px;
    overflow-y: auto;
    background-color: var(--light-surface);
    border-right: 1px solid var(--border-light);
}

.sidebar .nav-link {
    color: var(--text-muted);
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius-sm);
    margin-bottom: 0.5rem;
    font-weight: 500;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar .nav-link:hover, .sidebar .nav-link.active {
    background-color: rgba(79, 70, 229, 0.05);
    color: var(--primary-indigo);
}

.sidebar .nav-link.active {
    border-left: 3px solid var(--primary-indigo);
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}