.header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0) 100%);
    backdrop-filter: blur(5px);
    z-index: 200;
    position: relative;
}

.page-home .header {
    position: absolute;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-width: 0;
    gap: 16px;
}

.header-logo {
    width: 230px;
    min-width: 0;
    flex-shrink: 0;
    display: flex;
    gap: 10px;
    transition: opacity var(--transition) ease;
}
.header-logo:hover { opacity: 0.8; }

.header-logo-svg {
    width: 66px;
    height: 50px;
}

.header-text {
    display: flex;
    flex-direction: column;
    align-items: start;
    justify-content: center;
}

.header-title {
    font-weight: 300;
    font-size: 18px;
    color: var(--text-white);
}

.header-subtitle {
    font-weight: 400;
    font-size: 14px;
    color: var(--text-muted);
}

.header-nav {
    display: flex;
    gap: 50px;
}

.header-nav-link {
    font-weight: 400;
    font-size: 16px;
    color: var(--text-white);
    transition: color var(--transition) ease;
}
.header-nav-link:hover,
.header-nav-link.active {
    color: var(--color-green);
}

.header-hero {
    width: max-content;
    display: flex;
    gap: 20px;
    align-items: center;
    justify-content: end;
}

.header-hero-link {
    font-weight: 400;
    font-size: 16px;
    color: var(--text-white);
    transition: color var(--transition) ease;
}
.header-hero-link:hover { color: var(--color-green); }

.header-logout-form {
    display: inline;
    margin: 0;
}

.header-logout-form--sidebar {
    display: block;
    width: 100%;
}

.header-logout-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    padding: 0;
}

.header-logout-form--sidebar .header-logout-btn {
    width: 100%;
}

.header-hero-line {
    width: 0;
    height: 30px;
    border: 1px solid var(--text-muted);
}

.header-burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    background: transparent;
    border: 1px solid var(--color-green-30);
    border-radius: var(--radius-md);
    cursor: pointer;
    padding: 9px;
    flex-shrink: 0;
    z-index: 10001;
    position: relative;
    transition: border-color var(--transition) ease, background var(--transition) ease;
}

.header-burger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-white);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
    transform-origin: center;
}

.header-burger:hover {
    border-color: var(--color-green);
    background: var(--color-green-10);
}

.header-burger.active {
    border-color: var(--color-green);
    background: var(--color-green-10);
}

.header-burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.header-burger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.header-burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 9998;
    opacity: 0;
    transition: opacity 0.35s ease;
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

.sidebar {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 320px;
    max-width: 85vw;
    background: var(--bg-section-darker);
    border-left: 1px solid var(--color-green-20);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    padding: 0;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}

.sidebar.open {
    transform: translateX(0);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px;
    border-bottom: 1px solid var(--color-green-20);
    flex-shrink: 0;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    transition: opacity var(--transition) ease;
}
.sidebar-logo:hover { opacity: 0.8; }

.sidebar-logo-img {
    width: 40px;
    height: auto;
}

.sidebar-logo-text {
    display: flex;
    flex-direction: column;
}

.sidebar-logo-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-white);
    line-height: 1.2;
}

.sidebar-logo-subtitle {
    font-size: 12px;
    color: var(--text-muted);
}

.sidebar-close {
    width: 36px;
    height: 36px;
    background: transparent;
    border: 1px solid var(--color-green-30);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    transition: border-color var(--transition) ease, background var(--transition) ease;
}

.sidebar-close:hover {
    border-color: var(--color-green);
    background: var(--color-green-10);
}

.sidebar-close span {
    position: absolute;
    width: 16px;
    height: 2px;
    background: var(--text-white);
    border-radius: 2px;
}

.sidebar-close span:nth-child(1) { transform: rotate(45deg); }
.sidebar-close span:nth-child(2) { transform: rotate(-45deg); }

.sidebar-nav {
    display: flex;
    flex-direction: column;
    padding: 16px 0;
    flex: 1;
}

.sidebar-nav-link {
    font-size: 18px;
    font-weight: 400;
    color: var(--text-white);
    padding: 16px 28px;
    border-left: 3px solid transparent;
    transition: color var(--transition) ease, background var(--transition) ease, border-color var(--transition) ease;
    text-align: left;
}

.sidebar-nav-link:hover {
    color: var(--color-green);
    background: var(--color-green-08);
    border-left-color: var(--color-green-30);
}

.sidebar-nav-link.active {
    color: var(--color-green);
    background: var(--color-green-08);
    border-left-color: var(--color-green);
}

.sidebar-footer {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 24px 28px;
    border-top: 1px solid var(--color-green-20);
    flex-shrink: 0;
}

.sidebar-btn {
    font-size: 16px;
    text-align: center;
    padding: 12px 20px;
}

@media (max-width: 1440px) { .header-nav { gap: 40px; } }

@media (max-width: 1200px) {
    .page-home .header {
        position: fixed !important;
    }

    .header { padding: 20px 0; }
    .header-burger { display: flex; }
    .header-nav { display: none; }
    .header-hero { display: none; }

    .header {
        position: fixed !important;
        top: 0;
        left: 0;
        right: 0;
        background: rgba(21, 37, 32, 0.97);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        z-index: 999;
    }

    body {
        padding-top: 80px;
    }

    body.page-home {
        padding-top: 0;
    }
}

@media (max-width: 768px) {
    .header { padding: 20px 0; }
}