:root {
    --header-height: 100px;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--grey);
    color: var(--light-text-color);
    height: var(--header-height);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 0 1rem;
    
    &.header-coach {
        background-color: var(--coach-bg);
        
        .role-label {
            color: var(--coach-accent);
        }
        
        .nav-menu {
            background-color: var(--coach-bg);
        }
        
        .hamburger {
            background-color: var(--coach-accent);
            
            &:hover {
                background-color: var(--coach-accent-hover);
            }
        }
        
        .nav-menu a:hover,
        .nav-menu .logout-btn:hover {
            background-color: var(--coach-accent);
        }
    }
    
    &.header-athlete {
        .role-label {
            color: var(--primary-color);
        }
    }

    & .header-content {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        max-width: 1200px;
    }

    & .logo {
        flex: 1;
        text-align: center;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 1rem;
        
        img {
            max-height: 100px;
            width: auto;
        }
        
        .role-label {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--light-text-color);
        }
    }

    & .nav-menu {
        display: none;
        position: fixed;
        top: var(--header-height);
        right: 0;
        background-color: var(--grey);
        padding: 1rem;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        border-radius: 0 0 0 var(--radius-lg);
        height: auto;
        overflow-y: auto;
        width: 250px;

        &.active {
            display: block;
        }

        & a,
        & .logout-btn {
            color: var(--light-text-color);
            text-decoration: none;
            display: block;
            padding: 0.75rem 1rem;
            transition: background-color 0.2s, color 0.2s;
            border-radius: 4px;
            font-weight: 500;

            &:hover {
                background-color: var(--primary-color);
                color: white;
            }
        }

        & .logout-btn {
            background: none;
            border: none;
            font: inherit;
            cursor: pointer;
            width: 100%;
            text-align: left;
        }
    }

    & .hamburger {
        display: flex;
        flex-direction: column;
        justify-content: space-around;
        width: 35px;
        height: 35px;
        background-color: var(--primary-color);
        border: none;
        border-radius: 6px;
        cursor: pointer;
        padding: 6px;
        transition: background-color 0.2s;
        position: absolute;
        right: 1rem;

        &:hover {
            background-color: var(--primary-hover);
        }

        & span {
            height: 3px;
            width: 100%;
            background-color: white;
            border-radius: 2px;
            transition: background-color 0.2s;
        }
    }
}

@media (min-width: 768px) {
    .header {
        & .nav-menu {
            display: flex;
            position: static;
            background-color: transparent;
            box-shadow: none;
            padding: 0;
            height: auto;
            overflow-y: visible;
            align-items: center;
            width: auto;

            & a,
            & .logout-btn {
                margin-left: 1.5rem;
                padding: 0.5rem 1rem;
                border-radius: 4px;
                font-weight: 500;
                transition: background-color 0.2s, color 0.2s;

                &:hover {
                    background-color: var(--primary-color);
                    color: white;
                }
            }

            & .logout-btn {
                width: auto;
            }
        }

        & .hamburger {
            display: none;
        }

        & .logo {
            flex: 0 0 auto;
            text-align: left;
            margin-right: auto;
        }
    }
}