/* ========== HEADER / NAVIGATION ========== */
header {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    padding: 0 20px;
    padding-left: calc(20px + env(safe-area-inset-left, 0px));
    padding-right: calc(20px + env(safe-area-inset-right, 0px));
    padding-top: env(safe-area-inset-top, 0px);
    display: flex;
    align-items: center;
    height: 72px;
    flex-shrink: 0;
    position: relative;
    z-index: 550;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.logo {
    height: 56px;
    margin-right: 40px;
    object-fit: contain;
    cursor: pointer;
}

nav {
    display: flex;
    gap: 8px;
    flex: 1;
}

.nav-btn {
    background: transparent;
    border: none;
    color: #5a6c7d;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.nav-btn:hover {
    background: color-mix(in srgb, var(--accent) 10%, transparent);
    color: #2c3e50;
}

.nav-btn.active {
    background: color-mix(in srgb, var(--accent) 15%, transparent);
    color: #2c3e50;
    font-weight: 600;
}

.my-adoptions-btn {
    margin-left: auto;
    background: var(--accent);
    border: none;
    border-radius: 20px;
    color: #fff;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.my-adoptions-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px color-mix(in srgb, var(--accent) 30%, transparent);
}

.adoption-count {
    background: rgba(255, 255, 255, 0.3);
    color: #fff;
    border-radius: 10px;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 700;
}

/* Hamburger menu */
.hamburger-btn {
    display: none;
    background: transparent;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    color: #2c3e50;
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    margin-right: 10px;
}

/* Mobile nav action buttons (inside hamburger dropdown, hidden on desktop) */
.mobile-nav-actions {
    display: none;
}