/* Main Header Styles */

/* Header Layout */
.main-header {
    position: fixed;
    top: 0;
    left: var(--sidebar-width-opened);
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-gray-medium);
    z-index: 90;
    display: flex;
    align-items: center;
    padding: 0 var(--space-lg);
    gap: var(--space-xs);
}

/* Add transition only after page load to prevent initial animation */
.page-loaded .main-header {
    transition: left var(--animation-medium) var(--ease-smooth);
}

/* Header adjustment when sidebar is closed */
body.sidebar-closed .main-header {
    left: var(--sidebar-width-closed);
}

/* Sidebar Toggle - Updated with X/hamburger states */
.sidebar__toggle {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-gray-medium);
    background: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--animation-medium) var(--ease-smooth);
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

.sidebar__toggle:hover {
    background: var(--color-gray-light);
    border-color: var(--color-primary);
    transform: scale(1.05);
}

.sidebar__toggle i {
    width: 18px;
    height: 18px;
    color: var(--color-text-secondary);
    transition: all var(--animation-medium) var(--ease-smooth);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Toggle button state changes */
.sidebar__toggle:hover i {
    color: var(--color-primary);
}

/* Default state: Sidebar open, show X button */
.sidebar__toggle .toggle-icon-menu {
    display: none;
    opacity: 0;
}

.sidebar__toggle .toggle-icon-close {
    display: block;
    opacity: 1;
}

/* When sidebar is closed: show hamburger menu */
body.sidebar-closed .sidebar__toggle .toggle-icon-menu {
    display: block;
    opacity: 1;
}

body.sidebar-closed .sidebar__toggle .toggle-icon-close {
    display: none;
    opacity: 0;
}

/* Styling when sidebar is closed */

body.sidebar-closed .sidebar__toggle::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    opacity: 0.15;
    z-index: -1;
}

body.sidebar-closed .sidebar__toggle i {
    color: var(--color-primary);
}

body.sidebar-closed .sidebar__toggle:hover {
    background: rgba(79, 195, 247, 0.2);
    transform: scale(1.05);
}

/* Page Title */
.header__title {
    margin-right: auto;
}

.page__title {
    font-size: var(--font-size-xl);
    font-weight: 500;
    letter-spacing: 0.1px;
    color: var(--color-text-primary);
    margin: 0;
}

/* Program Info */
.header__program {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-right: auto;
}

.program__logo {
    width: 36px;
    height: 36px;
    border-radius: var(--border-radius-md);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
}

.program__info {
    display: flex;
    flex-direction: column;
}

.program__name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-primary);
    line-height: 1.2;
}

.program__status {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    line-height: 1.2;
}

/* User Profile Section */
.header__user {
    position: relative;
    margin-left: auto;
}

.user__trigger {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs);
    border-radius: var(--border-radius-full);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--animation-medium) var(--ease-smooth);
    background: rgba(79, 195, 247, 0.1);
    position: relative;
    overflow: hidden;
}

.user__trigger::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--animation-medium) var(--ease-smooth);
    border-radius: var(--border-radius-full);
    z-index: -1;
}

.user__trigger:hover::before {
    opacity: 0.1;
}

.user__trigger:hover {
    border-color: var(--color-primary);
    background: rgba(79, 195, 247, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(79, 195, 247, 0.3);
}

.user__trigger.active {
    border-color: var(--color-primary);
    background: rgba(79, 195, 247, 0.15);
}

.user__avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: transform var(--animation-medium) var(--ease-smooth);
}

.user__trigger:hover .user__avatar {
    transform: scale(1.05);
}

.user__chevron {
    width: 16px;
    height: 16px;
    color: var(--color-text-secondary);
    transition: transform var(--animation-medium) var(--ease-smooth);
}

.user__trigger.active .user__chevron {
    transform: rotate(180deg);
}

.user__trigger:hover .user__chevron {
    color: var(--color-primary);
}

/* User Dropdown */
.user__dropdown {
    position: absolute;
    top: calc(100% + var(--space-xs));
    right: 0;
    min-width: 280px;
    background: var(--color-white);
    border: 1px solid var(--color-gray-medium);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--animation-medium) var(--ease-smooth);
    z-index: 1001;
}

.user__dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Dropdown User Info */
.dropdown__user-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--color-gray-light);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.dropdown__avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 600;
    font-size: var(--font-size-base);
    flex-shrink: 0;
}

.dropdown__user-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    flex: 1;
}

.dropdown__name {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-primary);
    line-height: 1.2;
}

.dropdown__email {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.2;
}

.dropdown__role {
    font-size: var(--font-size-xs);
    color: var(--color-primary);
    font-weight: 500;
    background: rgba(79, 195, 247, 0.1);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius-sm);
    display: inline-block;
    width: fit-content;
}

/* Dropdown Items */
.dropdown__item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    color: var(--color-text-primary);
    text-decoration: none;
    transition: background var(--animation-fast);
    font-size: var(--font-size-sm);
}

.dropdown__item:hover {
    background: var(--color-gray-light);
}

.dropdown__item i {
    width: 16px;
    height: 16px;
    color: var(--color-text-secondary);
    flex-shrink: 0;
}

.dropdown__divider {
    height: 1px;
    background: var(--color-gray-medium);
    margin: var(--space-xs) 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-header {
        left: 0 !important;
        padding: 0 var(--space-md);
        gap: var(--space-md);
        width: 100% !important;
    }

    .header__program {
        display: none;
    }
    
    .sidebar__toggle {
        display: none;
    }

    .page__title {
        font-size: var(--font-size-lg);
    }

    .user__dropdown {
        min-width: 250px;
        right: -var(--space-md);
    }
}

/* Content Adjustment */
body.authenticated .page {
    margin-top: 70px;
}

body:not(.authenticated) .page {
    margin-top: 0;
}