/* File: static/src/css/header_custom.css */

/* Root Variables */
:root {
    --primary-color: #6366F1;
    --primary-hover: #4F46E5;
    --secondary-color: #F59E0B;
    --text-dark: #1F2937;
    --text-light: #6B7280;
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --border-radius: 8px;
}

/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
}

/* Header Styles */
.custom-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1050;
}

.custom-header .navbar {
    background: var(--white) !important;
    border-bottom: 1px solid var(--gray-200);
    padding: 0.75rem 0;
    min-height: 70px;
    transition: var(--transition);
}

.custom-header .navbar.navbar-scrolled {
    box-shadow: var(--shadow-lg);
    border-bottom-color: var(--gray-100);
}

/* Container */
.navbar .container-fluid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Logo */
.navbar-brand {
    display: flex !important;
    align-items: center;
    text-decoration: none !important;
    margin-right: 2rem;
}

.navbar-brand img {
    height: 45px;
    width: auto;
    object-fit: contain;
}

/* Navigation */
.navbar-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.navbar-nav .nav-link {
    color: var(--text-dark) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.75rem 1rem !important;
    border-radius: var(--border-radius);
    transition: var(--transition);
    text-decoration: none;
    position: relative;
    display: flex;
    align-items: center;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
    background-color: rgba(99, 102, 241, 0.08);
}

.navbar-nav .nav-link.active {
    color: var(--primary-color) !important;
    background-color: rgba(99, 102, 241, 0.1);
    font-weight: 600;
}

/* Dropdown Arrow */
.dropdown-toggle::after {
    border: none;
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 0.5rem;
    vertical-align: 0.125em;
    border-top: 0.3em solid;
    border-right: 0.3em solid transparent;
    border-left: 0.3em solid transparent;
    transition: transform 0.2s ease;
}

.dropdown-toggle[aria-expanded="true"]::after {
    transform: rotate(180deg);
}

/* Dropdown Menu */
.dropdown-menu {
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius);
    padding: 0.5rem;
    margin-top: 0.5rem;
    background: var(--white);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    position: absolute;
    top: 100%;
    left: 0;
}

.dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    padding: 0.75rem 1rem;
    border-radius: calc(var(--border-radius) - 2px);
    transition: var(--transition);
    font-weight: 500;
    color: var(--text-dark);
    text-decoration: none;
    display: block;
}

.dropdown-item:hover {
    background-color: var(--gray-50);
    color: var(--primary-color);
}

/* CTA Button */
.cta-button {
    background: var(--primary-color);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--white) !important;
    text-decoration: none !important;
    transition: var(--transition);
    margin-left: 1rem;
    display: inline-block;
}

.cta-button:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
    color: var(--white) !important;
}

/* Mobile Toggle */
.navbar-toggler {
    border: none;
    padding: 0.5rem;
    background: none;
    outline: none !important;
    box-shadow: none !important;
}

.hamburger-menu {
    width: 24px;
    height: 18px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hamburger-menu span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--text-dark);
    border-radius: 1px;
    transition: var(--transition);
}

.hamburger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger-menu.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Styles */
@media (max-width: 991.98px) {
    body {
        padding-top: 70px;
    }
    
    .navbar .container-fluid {
        padding: 0 1rem;
    }
    
    .navbar-collapse {
        background: var(--white);
        margin-top: 1rem;
        padding: 1rem;
        border-radius: var(--border-radius);
        box-shadow: var(--shadow-lg);
        border: 1px solid var(--gray-200);
    }
    
    .navbar-nav {
        flex-direction: column;
        gap: 0;
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .navbar-nav .nav-item {
        width: 100%;
    }
    
    .navbar-nav .nav-link {
        padding: 1rem 0 !important;
        border-radius: 0;
        border-bottom: 1px solid var(--gray-100);
        width: 100%;
    }
    
    .navbar-nav .nav-link:last-child {
        border-bottom: none;
    }
    
    .dropdown-menu {
        position: static !important;
        transform: none !important;
        box-shadow: none;
        background: var(--gray-50);
        margin: 0.5rem 0 0 1rem;
        border: none;
        border-left: 3px solid var(--primary-color);
        opacity: 1;
        visibility: visible;
        display: none;
    }
    
    .dropdown-menu.show {
        display: block;
    }
    
    .dropdown-item {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .cta-button {
        width: 100%;
        text-align: center;
        margin-left: 0;
        margin-top: 1rem;
    }
}

@media (max-width: 575.98px) {
    .navbar .container-fluid {
        padding: 0 1rem;
    }
    
    .navbar-brand {
        margin-right: 1rem;
    }
    
    .navbar-brand img {
        height: 40px;
    }
}

/* Desktop Hover Behavior - Fixed for proper dropdown functionality */
@media (min-width: 992px) {
    body {
        padding-top: 70px;
    }
    
    /* Dropdown hover behavior */
    .nav-item.dropdown {
        position: relative;
    }
    
    .nav-item.dropdown:hover .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        display: block;
    }
    
    .nav-item.dropdown:hover .dropdown-toggle::after {
        transform: rotate(180deg);
    }
    
    /* Keep dropdown open when hovering over menu */
    .dropdown-menu:hover {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        display: block;
    }
    
    /* Allow all nav links to be clickable */
    .nav-link {
        pointer-events: auto;
        cursor: pointer;
    }
    
    /* Remove focus outline for dropdown toggles on desktop since we use hover */
    .dropdown-toggle:focus {
        outline: none;
    }
}

/* Loading Animation */
.navbar {
    animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Focus States for Accessibility */
.nav-link:focus,
.cta-button:focus,
.dropdown-item:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Smooth Transitions */
.navbar-nav .nav-link,
.dropdown-menu,
.cta-button {
    transition: var(--transition);
}

/* User Menu Styles */
#top_menu .nav-item {
    margin-left: 0.5rem;
}

#top_menu .nav-link {
    color: var(--text-dark) !important;
    font-weight: 500;
}

#top_menu .nav-link:hover {
    color: var(--primary-color) !important;
}