* { box-sizing: border-box; }

:focus-visible,
button:focus-visible {
    outline: 2px solid #488ce7;
    outline-offset: 2px;
}

html { background: #0b3d91; }

body {
    margin: 0;
    color: #eaf4ff;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    background:
        repeating-linear-gradient(90deg, rgba(255,255,255,.04) 0 1px, transparent 1px 90px),
        repeating-linear-gradient(0deg, rgba(0,0,0,.03) 0 1px, transparent 1px 90px),
        linear-gradient(180deg, #0a1628 0%, #0b3d91 40%, #0b3d91 100%);
    display: flex;
    flex-direction: column;
}

.page-shell {
    display: flex;
    flex-direction: column;
    width: 100%;
    padding: 10px;
}

.gallery-masthead {
    flex-shrink: 0;
    border: 3px solid #003c96;
    background: linear-gradient(#fff, #d9edff 45%, #ffc31f 46%, #ffeb86);
    box-shadow: 0 0 0 2px #fff inset, 0 5px 15px rgba(0,0,0,.25);
}

.topline {
    display: flex;
    justify-content: space-around;
    padding: 3px 8px;
    color: #fff;
    font-size: 11px;
    background: #003c96;
    text-transform: uppercase;
    letter-spacing: .08em;
    font-weight: bold;
}

.topline a { color: #fff; text-decoration: none; }
.topline a:hover { text-decoration: underline; color: #ffeb86; }

.brand-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 8px 20px;
}

.gallery-title {
    margin: 0;
    color: #0b3d91;
    font-size: 22px;
    font-weight: 900;
    font-style: italic;
    text-shadow: 2px 2px 0 #fff;
    letter-spacing: -1px;
}

.floating-deal {
    background: #d60000;
    color: #fff;
    padding: 3px 10px;
    font-weight: bold;
    border: 2px solid #fff;
    box-shadow: 2px 2px 0 #000;
    transform: rotate(3deg);
    font-size: 12px;
}

.control-strip {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    background: #0a1628;
    border: 2px solid #488ce7;
    padding: 6px 10px;
}

.control-group { display: flex; align-items: center; gap: 6px; }

.retro-btn {
    background: linear-gradient(to bottom, #dcdcdc, #a0a0a0);
    border: 2px solid #fff;
    box-shadow: 2px 2px 0 #000;
    color: #111;
    font-weight: bold;
    padding: 5px 10px;
    cursor: pointer;
}

.retro-btn:hover { background: #fff; }
.retro-btn:active { transform: translate(1px, 1px); }

.site-footer {
    flex-shrink: 0;
    text-align: center;
    color: #8cb8e8;
    font-size: 11px;
    padding: 4px;
}

@media (max-width: 768px) {
    .gallery-masthead { flex-direction: column; }
    .topline { flex-wrap: wrap; justify-content: center; font-size: 10px; }
    .brand-row { flex-direction: column; text-align: center; }
    .control-strip, .control-group { flex-wrap: wrap; justify-content: center; }
    .retro-btn { padding: 8px 12px; font-size: 12px; min-width: 44px; }
}