/* Dark Theme Variables */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #e5e4e2;
    --bg-card: #ffffff;
    --text-primary: #000000;
    --text-secondary: #4c5152;
    --border-color: rgba(0, 0, 0, 0.1);
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-card: #242424;
    --text-primary: #e5e5e5;
    --text-secondary: #b0b0b0;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-light: rgba(0, 0, 0, 0.5);
    --shadow-medium: rgba(0, 0, 0, 0.7);
}

/* Apply dark theme to body and common elements */
body {
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Header-specific styles */
.site-header {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    box-shadow: 0 2px 10px var(--shadow-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 3px solid var(--colorprimary);
    backdrop-filter: blur(10px);
    transition: background 0.3s ease;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 30px;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 0;
    margin: 0;
    text-decoration: none;
}

.logo-section:hover {
    opacity: 0.9;
    transform: scale(1.02);
    transition: all 0.3s ease;
}

.logo-section img {
    height: 80px;
    width: auto;
    display: block;
    margin: 0;
    padding: 0;
    filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.1));
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-text h1 {
    font-size: 28px;
    font-weight: 800;
    color: var(--colorprimary);
    margin: 0;
    padding: 0;
    line-height: 1.2;
    text-align: left;
}

.logo-text span {
    font-size: 13px;
    color: var(--colorsecondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.navbar {
    background: transparent;
    padding: 0;
}

.nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 5px;
    align-items: center;
}

.nav-menu li {
    padding: 0;
    margin: 0;
}

.nav-menu li a {
    text-decoration: none;
    color: var(--colorsecondary);
    font-weight: 600;
    font-size: 16px;
    padding: 10px 18px;
    transition: all 0.3s ease;
    border-radius: 6px;
    display: block;
    position: relative;
}

.nav-menu li a:hover {
    background-color: var(--colorprimary);
    color: var(--colorwhite);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.nav-menu li a.active {
    background-color: var(--colorprimary);
    color: var(--colorwhite);
}

/* User menu dropdown */
.user-menu {
    position: relative;
}

.user-menu-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    background: var(--colorprimary);
    color: var(--colorwhite);
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 2px solid var(--colorprimary);
}

.user-menu-toggle:hover {
    background: var(--colorprimarydark);
    border-color: var(--colorprimarydark);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: var(--colorwhite);
    color: var(--colorprimary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 14px;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 10px;
    background: var(--colorwhite);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

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

.user-dropdown a {
    display: block;
    padding: 12px 20px;
    color: var(--colorblack);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
}

.user-dropdown a:first-child {
    border-radius: 8px 8px 0 0;
}

.user-dropdown a:last-child {
    border-radius: 0 0 8px 8px;
    color: var(--colorRed);
}

.user-dropdown a:hover {
    background: var(--colorPlatinum);
    padding-left: 25px;
}

.header-cta {
    display: flex;
    gap: 10px;
}

.header-cta .btn-primary {
    background: var(--colorprimary);
    color: var(--colorwhite);
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 2px solid var(--colorprimary);
}

.header-cta .btn-primary:hover {
    background: var(--colorprimarydark);
    border-color: var(--colorprimarydark);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.header-cta .btn-outline {
    background: transparent;
    color: var(--colorprimary);
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 2px solid var(--colorprimary);
}

.header-cta .btn-outline:hover {
    background: var(--colorprimary);
    color: var(--colorwhite);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

/* Theme Toggle Button */
.theme-toggle {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.theme-toggle:hover {
    transform: translateY(-2px) rotate(15deg);
    box-shadow: 0 4px 8px var(--shadow-medium);
    border-color: var(--colorprimary);
}

.theme-toggle-icon {
    font-size: 20px;
    transition: all 0.3s ease;
}

.sun-icon {
    display: block;
}

.moon-icon {
    display: none;
}

[data-theme="dark"] .sun-icon {
    display: none;
}

[data-theme="dark"] .moon-icon {
    display: block;
}

/* Dark mode adjustments for cards and elements */
[data-theme="dark"] .main {
    background: var(--bg-primary);
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .user-dropdown {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .user-dropdown a {
    color: var(--text-primary);
}

[data-theme="dark"] .user-dropdown a:hover {
    background: var(--bg-secondary);
}

[data-theme="dark"] .header-right {
    background: var(--bg-card);
}

/* Dark theme button contrast fixes */
[data-theme="dark"] .btn-primary {
    background: var(--colorprimary);
    color: var(--colorwhite);
}

[data-theme="dark"] .btn-primary:hover {
    background: var(--colorprimarydark);
    color: var(--colorwhite);
}

[data-theme="dark"] .btn-outline {
    background: transparent;
    color: var(--colorprimary);
    border-color: var(--colorprimary);
}

[data-theme="dark"] .btn-outline:hover {
    background: var(--colorprimary);
    color: var(--colorwhite);
}

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--colorprimary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translateY(10px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-10px);
}

/* Mobile menu backdrop */
.mobile-menu-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

.mobile-menu-backdrop.active {
    display: block;
    opacity: 1;
    pointer-events: auto;
}

/* Prevent scrolling when menu is open */
body.menu-open {
    overflow: hidden;
}

/* Mobile responsive */
@media (max-width: 992px) {
    .header-container {
        padding: 15px 20px;
    }

    .logo-section img {
        height: 60px;
    }

    .logo-text h1 {
        font-size: 22px;
    }

    .logo-text span {
        font-size: 11px;
    }

    .nav-menu li a {
        font-size: 14px;
        padding: 8px 12px;
    }
}

@media (max-width: 640px) {
    html {
        overflow-x: hidden;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .header-right {
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
        width: 280px;
        background: var(--colorwhite);
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 80px 0 20px 0;
        transition: transform 0.3s ease;
        z-index: 999;
        transform: translateX(100%);
    }

    .header-right.active {
        transform: translateX(0);
    }

    .navbar {
        width: 100%;
    }

    .nav-menu {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }

    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid var(--colorPlatinum);
    }

    .nav-menu li a {
        padding: 15px 30px;
        border-radius: 0;
        width: 100%;
        box-sizing: border-box;
        position: static !important;
    }

    .nav-menu li a:hover {
        transform: none;
        box-shadow: none;
    }

    .header-cta {
        flex-direction: column;
        padding: 20px 30px;
        gap: 10px;
    }

    .header-cta .btn-primary,
    .header-cta .btn-outline {
        text-align: center;
        width: 100%;
    }

    .user-menu {
        padding: 20px 30px;
    }

    .user-menu-toggle {
        width: 100%;
        justify-content: center;
    }

    .user-dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        margin-top: 15px;
        box-shadow: none;
        border: 1px solid var(--colorPlatinum);
    }

    .logo-text {
        display: none;
    }
}