header{
    width: 100%;
}

.header-top{
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.header-top-block{
    width: fit-content;
    padding: 1.5rem;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    border-right: 1px solid #ccc;
    border-left: 1px solid #ccc;
    height: 80px;
    cursor: pointer;
}

.header-top--mobile{
    display: none;
}

.header-top-block button{
    padding: 0.5rem 1rem;
    text-align: center; 
    background: #00868A;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.header-top-block button:hover {
    background: #006D70;
    transform: translateY(-1px);
}

.header-top-block button img {
    display: inline-block;
    vertical-align: middle;
    padding-right: 0.5rem;
}

.header-bottom{
    background: #4FBFA5;
    padding: 1rem;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.nav a{
    color: white;
}

.nav__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 0 auto;
    padding: 0 1rem;
    max-width: 1200px;
    width: 100%;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav__link {
    text-decoration: none;
    color: white;
    font-size: 1.1em;
    padding: 1rem 0;
    transition: color 0.3s ease;
    position: relative;
    white-space: nowrap;
}

.nav__link:hover {
    color: #e0e0e0;
}

.nav__button {
    background: white;
    color: black;
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 1.1em;
    cursor: pointer;
    transition: background 0.3s ease;
    white-space: nowrap;
    border-radius: 4px;
    font-weight: 600;
}

.nav__button:hover {
    background: #00868A;
    color: white;
}

.nav__burger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 4px;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1001;
}

.nav__burger-line {
    width: 25px;
    height: 3px;
    background: #ffffff;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.nav__burger--active .nav__burger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.nav__burger--active .nav__burger-line:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}

.nav__burger--active .nav__burger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.user-info-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: auto;
}

.user-name {
    color: white;
    font-weight: 600;
    font-size: 1em;
    white-space: nowrap;
    padding: 0.5rem 0;
}

.admin-nav-btn {
    background: #FF6B35;
    color: white;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.95em;
    font-weight: 600;
    transition: all 0.3s ease;
    white-space: nowrap;
    font-family: inherit;
}

.admin-nav-btn:hover {
    background: #E55A2B;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
}

.reset-settings-btn {
    background: #F39C12;
    color: white;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.95em;
    font-weight: 600;
    transition: all 0.3s ease;
    white-space: nowrap;
    font-family: inherit;
}

.reset-settings-btn:hover {
    background: #E67E22;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(243, 156, 18, 0.3);
}

.logout-nav-btn {
    background: #95A5A6;
    color: white;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.95em;
    font-weight: 600;
    transition: all 0.3s ease;
    white-space: nowrap;
    font-family: inherit;
}

.logout-nav-btn:hover {
    background: #7F8C8D;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(149, 165, 166, 0.3);
}

@media (max-width: 1450px) {
    .header-top-block {
        padding: 1rem 0.8rem;
    }
    
    .header-top-block button {
        font-size: 0.8em;
        padding: 0.4rem 0.8rem;
    }
    
    .header-top-block p {
        font-size: 0.9em;
    }
    
    .nav__menu {
        gap: 1.5rem;
        flex-wrap: wrap;
    }
    
    .nav__link {
        font-size: 1em;
    }
    
    .nav__button {
        font-size: 1em;
        padding: 0.6rem 1.2rem;
    }
    
    .user-info-nav {
        gap: 0.8rem;
    }
    
    .user-name {
        font-size: 0.9em;
    }
    
    .admin-nav-btn,
    .reset-settings-btn,
    .logout-nav-btn {
        font-size: 0.85em;
        padding: 0.5rem 1rem;
    }
}

@media (max-width: 900px) {
    .header-top {
        display: none;
    }
    
    .header-top--mobile {
        display: flex;
        background: #f8f8f8;
        justify-content: center;
        align-items: center;
        padding: 0.5rem;
        border-bottom: 1px solid #eee;
    }

    .header-top-block--mobile button{
        padding: 0.5rem 1rem;
        text-align: center; 
        background: #00868A;
        color: white;
        border: none;
        border-radius: 4px;
    }

    .header-top-block--mobile {
        padding: 0.5rem 1rem;
        border-right: 1px solid #ddd;
    }

    .header-top-block--mobile:last-child {
        border-right: none;
    }

    .nav__burger {
        display: flex;
    }
    
    .nav__menu {
        display: none;
        position: fixed;
        flex-wrap: nowrap;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(79, 191, 165, 0.95);
        flex-direction: column;
        gap: 0;
        padding: 130px 2rem 2rem;
        z-index: 1000;
        overflow-y: auto;
        box-shadow: 0 5px 25px rgba(0, 0, 0, 0.15);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }
    
    .nav__menu--active {
        display: flex;
    }
    
    .nav__link {
        padding: 1.2rem 1rem;
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        color: white;
        font-size: 1.1em;
        text-align: left;
        font-weight: 500;
        transition: all 0.3s ease;
    }
    
    .nav__link:hover {
        background: rgba(255, 255, 255, 0.1);
        color: white;
        padding-left: 1.5rem;
    }
    
    .nav__button {
        display: none;
    }
    
    .nav__container {
        position: relative;
        width: 100%;
    }
    
    .header-bottom {
        padding: 0.8rem 1rem;
        justify-content: space-between;
    }
    
    .user-info-nav {
        flex-direction: column;
        gap: 0.8rem;
        margin-left: 0;
        width: 100%;
        text-align: center;
        order: 3;
        margin-top: 1rem;
        padding-top: 1rem;
        border-top: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    .user-name {
        color: white;
        font-size: 1.1em;
        margin-bottom: 0.5rem;
        width: 100%;
        text-align: center;
    }
    
    .admin-nav-btn,
    .reset-settings-btn,
    .logout-nav-btn {
        width: 100%;
        padding: 1rem;
        font-size: 1em;
        margin-bottom: 0.5rem;
    }

    .nav__overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
    }
    
    .nav__overlay--active {
        display: block;
    }
}

@media (max-width: 480px) {
    .header-top-block {
        padding: 0.6rem;
        height: 50px;
    }
    
    .header-top-block button {
        font-size: 0.6em;
        padding: 0.2rem 0.4rem;
    }
    
    .header-top-block p {
        font-size: 0.7rem;
    }
    
    .header-bottom {
        padding: 0.6em 1rem;
    }
    
    .nav__link {
        padding: 1rem;
        font-size: 1em;
    }
    
    .nav__burger {
        padding: 0.3rem;
        width: 35px;
        height: 35px;
    }
    
    .nav__burger-line {
        width: 20px;
        height: 2px;
    }

    .nav__menu {
        padding: 130px 1rem 1rem;
    }
    
    .user-info-nav {
        gap: 0.5rem;
    }
    
    .admin-nav-btn,
    .reset-settings-btn,
    .logout-nav-btn {
        padding: 0.8rem;
        font-size: 0.9em;
    }
}

@media (max-width: 360px) {
    .header-top-block {
        padding: 0.5rem;
    }
    
    .header-top-block button {
        font-size: 0.55em;
        padding: 0.2rem 0.3rem;
    }
    
    .header-top-block p {
        font-size: 0.65em;
    }

    .nav__link {
        font-size: 0.9em;
        padding: 0.8rem;
    }
    
    .user-name {
        font-size: 1em;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .nav__menu {
        gap: 1rem;
    }
    
    .nav__link {
        font-size: 0.95em;
    }
    
    .nav__button {
        font-size: 0.95em;
        padding: 0.5rem 1rem;
    }
    
    .user-info-nav {
        gap: 0.8rem;
    }
    
    .admin-nav-btn,
    .reset-settings-btn,
    .logout-nav-btn {
        font-size: 0.85em;
        padding: 0.5rem 0.8rem;
    }
}

.nav__burger,
.nav__link,
.nav__button,
.admin-nav-btn,
.reset-settings-btn,
.logout-nav-btn {
    transition: all 0.3s ease;
}

.nav__burger:focus,
.admin-nav-btn:focus,
.reset-settings-btn:focus,
.logout-nav-btn:focus {
    outline: 2px solid #00868A;
    outline-offset: 2px;
}

.nav__link:focus {
    outline: 2px solid #00868A;
    outline-offset: -2px;
}

@keyframes slideInFromTop {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.nav__menu--active .nav__link {
    animation: slideInFromTop 0.3s ease forwards;
}

.nav__menu--active .nav__link:nth-child(1) { animation-delay: 0.1s; }
.nav__menu--active .nav__link:nth-child(2) { animation-delay: 0.15s; }
.nav__menu--active .nav__link:nth-child(3) { animation-delay: 0.2s; }
.nav__menu--active .nav__link:nth-child(4) { animation-delay: 0.25s; }
.nav__menu--active .nav__link:nth-child(5) { animation-delay: 0.3s; }

.nav__menu--active .user-info-nav {
    animation: slideInFromTop 0.4s ease forwards;
}

.nav__menu--active .admin-nav-btn,
.nav__menu--active .reset-settings-btn,
.nav__menu--active .logout-nav-btn {
    animation: slideInFromTop 0.5s ease forwards;
}