/* Main Styles for Nepstep Website */

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #2c3e50;
    --light-gray: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 2px 4px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
    --green-text:rgb(0, 226, 75);
}
.green-text{
    color: var(--green-text) !important;
}
/* Global Styles */
body {
    padding-top: 72px; /* Height of navbar */
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-gray);
}

/* Enhanced Header Styles */
.navbar {
    background-color: var(--white) !important;
    box-shadow: var(--shadow);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
    transition: transform 0.3s ease, padding 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
    transform: translateY(0);
    height: 72px; /* Fixed height */
}

.navbar.scrolled {
    padding: 0.75rem 0;
    background-color: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

/* Brand Styles */
.navbar-brand {
    color: var(--primary-color) !important;
    font-weight: 800;
    font-size: 1.8rem;
    letter-spacing: -0.5px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    text-transform: uppercase;
}

.navbar-brand i {
    font-size: 2rem;
    background: linear-gradient(45deg, var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-right: 0.75rem;
    transition: var(--transition);
}

.navbar-brand:hover i {
    transform: rotate(15deg) scale(1.1);
}

/* Navigation Menu Styles */
.navbar-nav {
    gap: 1.5rem;
}

.navbar-nav .nav-item {
    position: relative;
}

.navbar-nav .nav-link {
    color: var(--primary-color) !important;
    font-weight: 600;
    padding: 0.5rem 1rem !important;
    transition: var(--transition);
    font-size: 1rem;
    letter-spacing: 0.3px;
    position: relative;
    text-transform: uppercase;
}

/* Desktop Menu Styles */
@media (min-width: 992px) {
    .navbar-collapse {
        position: static !important;
        height: auto !important;
        width: auto !important;
        background-color: transparent !important;
        padding: 0 !important;
        box-shadow: none !important;
        transform: none !important;
        display: flex !important;
        overflow: visible !important;
    }

    .navbar-nav .nav-item:not(.auth-buttons .nav-item) .nav-link::after {
        content: '';
        position: absolute;
        width: 0;
        height: 2px;
        bottom: 0;
        left: 0;
        background: linear-gradient(45deg, var(--secondary-color), var(--accent-color));
        transition: width 0.3s ease;
    }

    .navbar-nav .nav-item:not(.auth-buttons .nav-item) .nav-link:hover::after {
        width: 100%;
    }

    .navbar-nav .nav-link:hover {
        color: var(--secondary-color) !important;
        transform: translateY(-1px);
    }

    .navbar-backdrop {
        display: none !important;
    }
}

/* Mobile Menu Animation */
@media (max-width: 991.98px) {
    body.menu-open {
        position: fixed;
        width: 100%;
        height: 100%;
        overflow: hidden;
        top: var(--scroll-position, 0px);
        left: 0;
        right: 0;
    }

    .navbar-collapse {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        height: 100vh;
        width: 75%;
        max-width: 360px;
        background-color: var(--white);
        padding-top: 72px;
        padding-left: 1.25rem;
        padding-right: 1.25rem;
        padding-bottom: 1rem;
        transform: translateX(100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        display: block !important;
        visibility: hidden;
        z-index: 999;
        overflow-y: auto;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
        -webkit-overflow-scrolling: touch;
        pointer-events: none;
    }

    .navbar-collapse.show {
        transform: translateX(0);
        visibility: visible;
        pointer-events: auto;
    }

    /* Backdrop overlay */
    .navbar-backdrop {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 100vh;
        background-color: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
        z-index: 998;
        backdrop-filter: blur(4px);
        pointer-events: none;
    }

    .navbar-backdrop.show {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    /* Navigation Items */
    .navbar-nav {
        margin-top: 1rem;
        padding-bottom: 1rem;
    }

    .navbar-nav .nav-item {
        opacity: 0;
        transform: translateX(20px);
        transition: all 0.3s ease;
    }

    .navbar-nav .nav-link {
        padding: 0.875rem 1rem !important;
        border-radius: 8px;
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }

    .navbar-nav .nav-link i {
        font-size: 1.25rem;
        width: 24px;
        text-align: center;
        color: var(--secondary-color);
    }

    .navbar-nav .nav-link:hover {
        background: rgba(52, 152, 219, 0.1);
        transform: translateX(5px);
    }

    .navbar-collapse.show .nav-item {
        opacity: 1;
        transform: translateX(0);
    }

    /* Stagger animation for menu items */
    .navbar-nav .nav-item:nth-child(1) { transition-delay: 0.1s; }
    .navbar-nav .nav-item:nth-child(2) { transition-delay: 0.15s; }
    .navbar-nav .nav-item:nth-child(3) { transition-delay: 0.2s; }

    /* User Profile Section - REMOVED TO AVOID DUPLICATION WITH HEADER.PHP */
    /* These styles are now exclusively in header.php */

    /* Quick Actions */
    .quick-actions {
        display: flex;
        gap: 0.75rem;
        margin-top: 1rem;
    }

    .quick-action-btn {
        flex: 1;
        padding: 0.75rem;
        border-radius: 8px;
        background: rgba(255, 255, 255, 0.1);
        color: var(--white);
        text-align: center;
        font-size: 0.9rem;
        transition: var(--transition);
        text-decoration: none;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
    }

    .quick-action-btn:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: translateY(-2px);
        color: var(--white);
    }

    /* Mobile Settings Menu - REMOVED TO AVOID DUPLICATION WITH HEADER.PHP */
    /* These styles are now exclusively in header.php */

    /* Show/Hide Navigation based on screen size and user status */
    body.has-purchased-course {
        padding-top: 0 !important; /* Remove top padding when navbar is hidden */
        padding-bottom: 65px !important; /* Add padding for bottom nav */
    }

    body.has-purchased-course .navbar {
        display: none !important; /* Hide top nav on mobile for users with purchased courses */
    }

    body.has-purchased-course .mobile-bottom-nav {
        display: flex !important; /* Important display rule for purchased course users */
    }
    
    /* NOTE: All other mobile bottom nav styling is in header.php */
}

/* Enhanced Toggle Button */
.navbar-toggler {
    border: none;
    padding: 0;
    width: 40px;
    height: 40px;
    position: relative;
    transition: var(--transition);
    background: transparent !important;
    border-radius: 8px;
    cursor: pointer;
    outline: none !important;
    z-index: 1001;
}

.navbar-toggler:hover {
    background: rgba(52, 152, 219, 0.1) !important;
}

.navbar-toggler:focus {
    box-shadow: none !important;
}

.toggle-icon {
    width: 24px;
    height: 2px;
    background: linear-gradient(45deg, var(--secondary-color), var(--accent-color));
    position: absolute;
    left: 8px;
    transition: transform 0.3s ease-in-out, opacity 0.2s ease-in-out, width 0.3s ease-in-out;
    border-radius: 2px;
}

.toggle-icon:nth-child(1) {
    top: 12px;
    transform-origin: center;
}

.toggle-icon:nth-child(2) {
    top: 19px;
    width: 16px;
}

.toggle-icon:nth-child(3) {
    top: 26px;
    transform-origin: center;
}

.navbar-toggler:hover .toggle-icon:nth-child(2) {
    width: 24px;
}

.navbar-toggler[aria-expanded="true"] .toggle-icon:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.navbar-toggler[aria-expanded="true"] .toggle-icon:nth-child(2) {
    opacity: 0;
    width: 0;
}

.navbar-toggler[aria-expanded="true"] .toggle-icon:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Auth Buttons */
.navbar-nav .auth-buttons {
    display: flex;
    gap: 0.75rem;
}

.navbar-nav .nav-link.btn-login,
.navbar-nav .nav-link.btn-register {
    padding: 0.6rem 1.5rem !important;
    border-radius: 8px;
    transition: var(--transition);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.navbar-nav .nav-link.btn-login {
    background: rgba(52, 152, 219, 0.1);
    border: 1px solid transparent;
}

.navbar-nav .nav-link.btn-register {
    background: linear-gradient(45deg, var(--secondary-color), var(--accent-color));
    color: var(--white) !important;
    border: none;
}

.navbar-nav .nav-link.btn-login:hover {
    background: rgba(52, 152, 219, 0.2);
    transform: translateY(-2px);
    border-color: var(--secondary-color);
}

.navbar-nav .nav-link.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

/* Admin Button */
.navbar-nav .nav-link.admin-panel {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--white) !important;
    padding: 0.6rem 1.5rem !important;
    border-radius: 8px;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.navbar-nav .nav-link.admin-panel:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(44, 62, 80, 0.3);
}

/* Container Styles */
.container {
    max-width: 1200px;
    padding: 0 1rem;
}

/* Card Styles */
.card {
    border: none;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
    background: var(--white);
}

.card:hover {
    transform: translateY(-5px);
}

/* Button Styles */
.btn {
    padding: 0.5rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: darken(var(--secondary-color), 10%);
    border-color: darken(var(--secondary-color), 10%);
}

/* Form Styles */
.form-control {
    border-radius: 6px;
    border: 1px solid #e1e1e1;
    padding: 0.75rem 1rem;
}

.form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

/* Helper Classes */
.text-primary {
    color: var(--primary-color) !important;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

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

/* Mobile Bottom Navigation - Base Display Logic ONLY */
.mobile-bottom-nav {
    display: none; /* Hidden by default, shown conditionally by media query */
}

/* iOS safe area padding support */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
    .mobile-bottom-nav {
        padding-bottom: calc(0.5rem + env(safe-area-inset-bottom)) !important;
    }
} 

.fas fa-users fa-2x text-primary mb-3{
    color: white !important;
}