/* Scaling container for banner (fixed 1920x1080) */
.banner-scaling-container {
    position: fixed;
    width: 1920px;
    height: 1080px;
    transform-origin: top left;
    pointer-events: none; /* Banner bar will handle pointer events */
    z-index: 2000;
}

/* Banner bar is absolutely positioned inside scaling container */
.banner-bar {
    position: absolute;
    top: 0;
    left: 0;
    width: 2280px;
    height: 64px;
    background: linear-gradient(90deg, #eaf6ff 0%, #fafdff 100%);
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(24,90,157,0.07);
    padding: 0 36px;
    pointer-events: auto;
}

.banner-left {
    display: flex;
    align-items: center;
    gap: 18px;
}

.banner-logo {
    width: 48px;
    height: 48px;
    transform: rotate(180deg);
    transition: transform 0.3s cubic-bezier(.4,2,.6,1);
}

.banner-logo:hover {
    transform: rotate(180deg) scale(1.15);
}

.banner-title {
    font-size: 2rem;
    font-weight: 800;
    color: #185a9d;
    letter-spacing: 1.5px;
    transition: color 0.2s;
    cursor: pointer;
}

.banner-title:hover {
    color: #43cea2;
    text-shadow: 0 2px 8px #b7d1ea55;
}

.banner-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.banner-username {
    font-size: 1.2rem;
    font-weight: 600;
    color: #185a9d;
    margin-right: 6px;
    transition: color 0.2s;
    cursor: pointer;
}

.banner-username:hover {
    color: #ff4e50;
}

.banner-icon {
    width: 38px;
    height: 38px;
    transition: transform 0.3s cubic-bezier(.4,2,.6,1);
}

.banner-icon:hover {
    transform: scale(1.18) rotate(-10deg);
}

/* Banner nav dropdown styles */
.banner-nav {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-left: 48px;
}
.banner-nav-item {
    position: relative;
    font-size: 1.25rem;
    font-weight: 600;
    color: #185a9d;
    cursor: pointer;
    padding: 8px 18px;
    border-radius: 8px;
    transition: background 0.2s;
}
.banner-nav-item:hover {
    background: #eaf6ff;
}
.banner-nav-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    box-shadow: 0 4px 16px rgba(24,90,157,0.10);
    border-radius: 10px;
    min-width: 160px;
    z-index: 999;
    flex-direction: column;
    padding: 8px 0;
}
.banner-nav-item:hover .banner-nav-dropdown {
    display: flex;
}
.banner-nav-link {
    color: #185a9d;
    text-decoration: none;
    font-size: 1.1rem;
    padding: 10px 24px;
    border-radius: 6px;
    transition: background 0.15s;
    white-space: nowrap;
}
.banner-nav-link:hover {
    background: #eaf6ff;
}
/* Sign-in button styles */
.banner-signin-btn {
    position: relative;
    background: linear-gradient(90deg, #43cea2 0%, #185a9d 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    padding: 8px 22px;
    cursor: pointer;
    margin-right: 18px;
    transition: background 0.2s;
}
.banner-signin-btn:hover {
    background: linear-gradient(90deg, #185a9d 0%, #43cea2 100%);
}
.banner-signin-tooltip {
    display: none;
    position: absolute;
    top: 120%;
    left: 50%;
    transform: translateX(-50%);
    background: #185a9d;
    color: #fff;
    padding: 8px 18px;
    border-radius: 8px;
    font-size: 1rem;
    white-space: nowrap;
    z-index: 1001;
    box-shadow: 0 2px 8px rgba(24,90,157,0.12);
}
.banner-signin-btn:hover .banner-signin-tooltip {
    display: block;
}